CN113032889A

CN113032889A - Method and device for splicing foundation structure and superstructure into combined building model

Info

Publication number: CN113032889A
Application number: CN202110596942.0A
Authority: CN
Inventors: 王贤磊; 吴重轮; 戴涌; 高航
Original assignee: Beijing Yingjianke Software Co ltd
Current assignee: Beijing Yingjianke Software Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-06-25
Anticipated expiration: 2041-05-31
Also published as: CN113032889B

Abstract

The application provides a method and a device for splicing a foundation structure and an upper structure into a combined building model. The method comprises the following steps: acquiring a first three-dimensional model corresponding to a basic structure and a second three-dimensional model corresponding to an upper structure of a building model to be constructed; acquiring first node information belonging to a first component of an infrastructure; acquiring second node information and attribute information of a second member belonging to the upper structure; generating an incidence relation between the first member and the second member based on the first node information, the second node information and the attribute information, and determining a target second member of any first member; and splicing the target second component to the first component to generate a combined building model, and acquiring a finite element analysis result of the combined building model. The method and the device realize automatic connection and analysis calculation of the upper structure model and the basic structure model through automatic technical means, more accord with actual engineering practice, are compatible with original design operation and do not increase workload of designers.

Description

Method and device for splicing foundation structure and superstructure into combined building model

Technical Field

The present disclosure relates to the field of data processing, and more particularly, to a method and apparatus for building a combined building model by splicing an infrastructure and a superstructure.

Background

In the prior art, when a building structure is designed, the building structure is generally divided into an upper structure and a base structure according to positions, and the upper structure and the base structure are respectively calculated and designed, so that the method cannot integrally reflect the connection relationship of the upper structure and the base structure.

Disclosure of Invention

The present application is directed to solving, at least to some extent, one of the technical problems in the related art.

To this end, it is an object of the present application to propose a method of splicing a foundation structure and a superstructure into a joined building model. The method and the device realize automatic connection and analysis calculation of the upper structure model and the basic structure model through automatic technical means, more accord with actual engineering practice, are compatible with original design operation and do not increase workload of designers.

A second object of the present application is to propose a device for splicing a foundation structure and a superstructure into a united building model.

A third object of the present application is to provide an electronic device.

A fourth object of the present application is to propose a computer readable storage medium.

A fifth object of the present application is to propose a computer program product.

To achieve the above object, a first aspect of the present application provides a method for splicing a base structure and a superstructure into a combined building model, wherein a base structure modeling model is generated according to a base design image of a standard building, and a superstructure modeling model is generated according to a superstructure design image of the standard building; acquiring a first three-dimensional model corresponding to a basic structure of a building model to be constructed according to the basic structure modeling model, and acquiring a second three-dimensional model corresponding to an upper structure of the building model to be constructed based on the upper structure modeling model; acquiring first node information of a first node corresponding to a first member belonging to the infrastructure from the first three-dimensional model; acquiring second node information of a second node corresponding to a second member belonging to the superstructure and attribute information of the second member from the second three-dimensional model; generating an association relationship between the first member and the second member based on the first node information, the second node information, and the attribute information; for any first member in the first three-dimensional model, determining the second member which is in association with the any first member based on the association relation as a target second member for splicing with the any first member; and splicing the target second component to any one of the first components to generate a combined building model, acquiring a finite element analysis result of the combined building model, and returning to regenerate a new combined building model when the finite element analysis result does not meet the design condition until the generated combined building model meets the design condition.

The method and the device have the advantages that the automatic connection and the analysis and calculation of the upper structure model and the basic structure model are realized through automatic technical means, the actual engineering practice is better met, and the method and the device are compatible with the original design operation and do not increase the workload of designers.

According to an embodiment of the present application, the generating an association relationship between the first component and the second component based on the first node information, the second node information, and the attribute information includes: for each second member, identifying the second member needing to be spliced with the foundation structure from all the second members as a candidate second member based on the attribute information of the second member; determining a target candidate second member needing to be spliced on the first member based on the first node information of the first member and the second node information of the candidate second member; and establishing an association relation between the first component and the corresponding target candidate second component.

According to an embodiment of the present application, the determining a target candidate second component to be spliced on the first component based on the first node information of the first component and the second node information of the candidate second component includes: for each first component, acquiring a first node position of a first node corresponding to the first component from first node information of the first component, and generating a node range of the first node based on the first node position; acquiring a second node position of a second node corresponding to the candidate second member from second node information of the candidate second member; traversing all candidate second components starting with one of the candidate second components; for the candidate second member traversed currently, if the second node position of the candidate second member traversed currently is within one of the node ranges, determining a target first member corresponding to the one of the node ranges, and determining the candidate second member traversed currently as the target candidate second member corresponding to the target first member.

According to an embodiment of the application, the method of splicing a base structure and a superstructure into a joint building model further comprises: if the second node position of the candidate second member traversed currently does not fall into any node range, acquiring one or more standard degrees of freedom of a second node corresponding to the candidate second member; acquiring one or more degrees of freedom of a candidate first node; and performing a multi-point constraint equation set on the candidate second member and the candidate first node based on the standard degree of freedom and the one or more degrees of freedom, and solving to determine the target first member corresponding to the candidate second member from the candidate first node.

According to an embodiment of the application, the method of splicing a base structure and a superstructure into a joint building model further comprises: determining a candidate node range in which the second node position of the candidate second member is partially overlapped with the node range from all the node ranges; and taking the first node corresponding to the candidate node range as the candidate first node.

According to an embodiment of the application, the obtaining a first three-dimensional model corresponding to a base structure of a building model to be built according to the base structure modeling model and obtaining a second three-dimensional model corresponding to a superstructure of the building model to be built based on the superstructure modeling model includes: acquiring a first modeling document of the basic structure, inputting structural design data in the first modeling document into the basic structure modeling model for three-dimensional construction, and generating a first three-dimensional model of the basic structure; and acquiring a second modeling document of the upper structure, inputting structural design data in the second modeling document into the upper structure modeling model for three-dimensional construction, and generating a second three-dimensional model of the upper structure.

According to an embodiment of the application, the obtaining of the finite element analysis result of the combined building model comprises: carrying out finite element division on the building model to generate a finite element model; configuring the analysis type and material property of the finite element model; and applying loads and constraints to the finite element model, and performing finite element solution to generate a finite element analysis result of the combined building model.

According to an embodiment of the application, the performing a finite element solution to generate a finite element analysis result of the combined building model includes: acquiring a unit stiffness matrix of each unit in the finite element model; generating an overall stiffness matrix of the finite element model based on the element stiffness matrix; generating load vectors of nodes in the finite element model based on the overall stiffness matrix; carrying out equation solution based on the load vector of the node and the constraint condition of the finite element model to obtain the displacement of the node; determining a cell stress of the finite element model based on the displacement of the node.

According to an embodiment of the application, the generating an overall stiffness matrix of the finite element model based on the element stiffness matrix comprises: acquiring constraint conditions of the finite element model, and sequencing the degrees of freedom of all units in the finite element model based on the constraint conditions; and assembling all the unit stiffness matrixes according to the sequencing result of the degrees of freedom to generate the overall stiffness matrix.

To achieve the above object, a second aspect of the present application provides an apparatus for splicing a base structure and a superstructure into a combined building model, comprising: the modeling model acquisition module is used for generating a basic structure modeling model according to a basic design image of a standard building and generating an upper structure modeling model according to an upper structure design image of the standard building; the three-dimensional model acquisition module is used for acquiring a first three-dimensional model corresponding to a basic structure of the building model to be constructed according to the basic structure modeling model and acquiring a second three-dimensional model corresponding to an upper structure of the building model to be constructed based on the upper structure modeling model; an infrastructure information obtaining module, configured to obtain, from the first three-dimensional model, first node information of a first node corresponding to a first member belonging to the infrastructure; a superstructure information acquiring module configured to acquire, from the second three-dimensional model, second node information of a second node corresponding to a second member belonging to the superstructure and attribute information of the second member; an association relation determination module, configured to generate an association relation between the first component and the second component based on the first node information, the second node information, and the attribute information; a target second member determination module, configured to determine, for any first member in the first three-dimensional model, based on the association relationship, a second member that is associated with the any first member, as a target second member to be spliced with the any first member; and the component splicing module is used for splicing the target second component to any one of the first components, generating a combined building model, acquiring a finite element analysis result of the combined building model, and returning to regenerate a new combined building model until the generated combined building model meets the design condition when the finite element analysis result does not meet the design condition.

The device realizes automatic connection and analysis calculation of the upper structure model and the basic structure model through an automatic technical means, more accords with actual engineering practice, is compatible with the original design operation and does not increase the workload of designers.

According to an embodiment of the present application, the association relation determining module is further configured to: for each second member, identifying the second member needing to be spliced with the foundation structure from all the second members as a candidate second member based on the attribute information of the second member; determining a target candidate second member needing to be spliced on the first member based on the first node information of the first member and the second node information of the candidate second member; and establishing an association relation between the first component and the corresponding target candidate second component.

According to an embodiment of the present application, the association relation determining module is further configured to: for each first component, acquiring a first node position of a first node corresponding to the first component from first node information of the first component, and generating a node range of the first node based on the first node position; acquiring a second node position of a second node corresponding to the candidate second member from second node information of the candidate second member; traversing all candidate second components starting with one of the candidate second components; for the candidate second member traversed currently, if the second node position of the candidate second member traversed currently is within one of the node ranges, determining a target first member corresponding to the one of the node ranges, and determining the candidate second member traversed currently as the target candidate second member corresponding to the target first member.

According to an embodiment of the present application, the association relation determining module is further configured to: if the second node position of the candidate second member traversed currently does not fall into any node range, acquiring one or more standard degrees of freedom of a second node corresponding to the candidate second member; acquiring one or more degrees of freedom of a candidate first node; and performing a multi-point constraint equation set on the candidate second member and the candidate first node based on the standard degree of freedom and the one or more degrees of freedom, and solving to determine the target first member corresponding to the candidate second member from the candidate first node.

According to an embodiment of the present application, the association relation determining module is further configured to: determining a candidate node range in which the second node position of the candidate second member is partially overlapped with the node range from all the node ranges; and taking the first node corresponding to the candidate node range as the candidate first node.

According to an embodiment of the application, the three-dimensional model obtaining module is further configured to: acquiring a first modeling document of the basic structure, inputting structural design data in the first modeling document into the basic structure modeling model for three-dimensional construction, and generating a first three-dimensional model of the basic structure; and acquiring a second modeling document of the upper structure, inputting structural design data in the second modeling document into the upper structure modeling model for three-dimensional construction, and generating a second three-dimensional model of the upper structure.

According to an embodiment of the present application, the component splicing module is further configured to: carrying out finite element division on the building model to generate a finite element model; configuring the analysis type and material property of the finite element model; and applying loads and constraints to the finite element model, and performing finite element solution to generate a finite element analysis result of the combined building model.

According to an embodiment of the present application, the component splicing module is further configured to: acquiring a unit stiffness matrix of each unit in the finite element model; generating an overall stiffness matrix of the finite element model based on the element stiffness matrix; generating load vectors of nodes in the finite element model based on the overall stiffness matrix; carrying out equation solution based on the load vector of the node and the constraint condition of the finite element model to obtain the displacement of the node; determining a cell stress of the finite element model based on the displacement of the node.

According to an embodiment of the present application, the component splicing module is further configured to: acquiring constraint conditions of the finite element model, and sequencing the degrees of freedom of all units in the finite element model based on the constraint conditions; and assembling all the unit stiffness matrixes according to the sequencing result of the degrees of freedom to generate the overall stiffness matrix.

To achieve the above object, a third aspect of the present application provides an electronic device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to cause the at least one processor to perform the method of stitching a base structure and a superstructure into a joined building model as provided in embodiments of the first aspect of the present application.

To achieve the above object, a fourth aspect of the present application provides a computer-readable storage medium having stored thereon computer instructions for causing a computer to execute a method for splicing an infrastructure and a superstructure into a joint building model according to the method provided in the first aspect of the present application.

To achieve the above object, a fifth aspect of the present application provides a computer program product, which includes a computer program that, when being executed by a processor, implements the method for splicing a base structure and a superstructure into a joint building model provided in the first aspect of the present application.

Drawings

The drawings are included to provide a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:

FIG. 1 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to an embodiment of the disclosure;

FIG. 2 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to another embodiment of the disclosure;

FIG. 3 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to another embodiment of the disclosure;

FIG. 4 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to another embodiment of the disclosure;

FIG. 5 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to another embodiment of the disclosure;

FIG. 6 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to another embodiment of the disclosure;

FIG. 7 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to another embodiment of the disclosure;

FIG. 8 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to another embodiment of the disclosure;

FIG. 9 is a schematic illustration of a method of splicing a base structure and a superstructure into a joined building model according to another embodiment of the disclosure;

FIG. 10 is a schematic illustration of an apparatus for splicing a base structure and a superstructure into a unified building model according to an embodiment of the disclosure;

FIG. 11 is a schematic diagram of an electronic device according to an embodiment of the disclosure.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

Fig. 1 is a schematic view of an embodiment of a method for splicing a united building model from a base structure and a superstructure according to the present application, the method for splicing the united building model from the base structure and the superstructure comprising the following steps, as shown in fig. 1:

s101, generating a basic structure modeling model according to the basic design image of the standard building, and generating a superstructure modeling model according to the superstructure design image of the standard building.

The present building structure design process is generally divided into a superstructure and a substructure according to location. The foundation structure refers to a bearing structure below the ground of a building, such as a foundation pit, a bearing platform, a frame column, a ground beam and the like, and is an enlarged part of a wall or a column of the building in the ground, and the foundation structure is used for bearing loads transmitted by an upper structure of the building and transmitting the loads to a foundation together with self weight. Superstructure refers to the portion of the structure above the top of the foundation, and generally comprises basic elements such as beams, columns, plates, etc.

Before modeling a building, design images are generally provided, a basic structure modeling model is generated according to basic design images of standard buildings needing to be spliced and combined, and a superstructure modeling model is generated according to superstructure design images of the standard buildings needing to be spliced and combined.

S102, a first three-dimensional model corresponding to the foundation structure of the building model to be built is obtained according to the foundation structure modeling model, and a second three-dimensional model corresponding to the superstructure of the building model to be built is obtained based on the superstructure modeling model.

In the embodiment of the application, the foundation structure and the upper structure of the building to be constructed are determined respectively, and the foundation structure and the upper structure are modeled respectively. Wherein, a three-dimensional model obtained after modeling the basic structure is used as a first three-dimensional model; and taking the three-dimensional model obtained after the upper structure is modeled as a second three-dimensional model. Optionally, a two-dimensional graph of the base structure and a two-dimensional graph of the upper structure are respectively obtained, and 3D construction is performed on the respective two-dimensional graphs to generate a first three-dimensional model and a second three-dimensional model of the base structure.

S103, first node information of a first node corresponding to a first member belonging to the infrastructure is obtained from the first three-dimensional model.

It should be noted that the structural element is a concept of building, and a beam column and the like are one structural element. The nodes corresponding to the members are substantially simplified computed points on the three-dimensional model. The building components are represented as three-dimensional models by lines or planes when the building components are modeled. The node refers to a point in the three-dimensional model representing a graph corresponding to the building element. A node is to be understood as an associated element of a component, i.e. a point in the three-dimensional model representing the graph of the component, a support point, etc., which points are to be considered as nodes of the component.

And determining members belonging to the basic structure in the first three-dimensional model as first members, calling nodes corresponding to the first members as first nodes, and determining node information corresponding to the first nodes as first node information. In an implementation, each first component has design parameters, can be stored in a design document of an infrastructure, and node information of the first component can be inquired from the design document. Alternatively, the first node information may include a node identifier of the first node, a node noun, node location information, and the like.

And S104, acquiring second node information of a second node corresponding to a second member belonging to the superstructure and attribute information of the second member from the second three-dimensional model.

And determining a member belonging to the upper structure in the second three-dimensional model as a second member, calling a node corresponding to the second member as a second node, and determining node information corresponding to the second node as second node information. In an implementation, each second component has design parameters, can be stored in a design document of the upper structure, and node information of the second component can be inquired from the design document. Alternatively, the second node information may include a node identification of the second node, a node noun, node location information, attribute information, and the like. Alternatively, the attribute information of the second member may include a floor, a wall, a plate, a beam, a pillar, and the like.

And S105, generating an association relation between the first member and the second member based on the first node information, the second node information and the attribute information.

Optionally, by using the attribute information of the second member, whether the second member needs to be connected with the foundation structure is quickly identified, the second member which does not need to be spliced with the foundation structure can be excluded from all the second members, the range of the second members to be spliced can be reduced, and the calculation amount is reduced. Further, whether the second node of the second member corresponding to the upper structure is associated with the first member corresponding to the base structure is determined according to the first node information and the second node information.

Alternatively, if the coordinates of the second node of a certain second member corresponding to the upper structure are within the coordinate range of the first node of a certain first member corresponding to the infrastructure, the upper structure and the infrastructure are considered to have an association relationship.

Optionally, if the coordinates of the second node of any second member corresponding to the superstructure are not within the coordinate range of the first node of any first member corresponding to the infrastructure, the superstructure is considered to be not associated with the infrastructure.

S106, aiming at any first member in the first three-dimensional model, determining a second member which has an association relation with any first member based on the association relation, and using the second member as a target second member for splicing with any first member.

If the upper structure is associated with the base structure, it is indicated that the second member corresponding to the upper structure needs to be spliced with the first member corresponding to the base structure. And taking the second member corresponding to the determined upper structure with the association relationship as a target second member of the first member corresponding to the foundation structure.

For example, the first member in the foundation structure may include a pillar, a wall, a beam, etc., and the second member in the superstructure may include a pillar, a wall, a beam, etc., and if there is an association between the superstructure and the foundation structure, the second member corresponding to the pillar may be used as the target second member corresponding to the first member of the pillar based on the association; taking the second member corresponding to the wall body as a target second member corresponding to the first member of the wall base; and taking the second member corresponding to the beam as a target second member corresponding to the first member of the ground beam.

And S107, splicing the target second component to any one first component to generate a combined building model, acquiring a finite element analysis result of the combined building model, and returning to regenerate a new combined building model until the generated combined building model meets the design condition when the finite element analysis result does not meet the design condition.

And splicing the determined target second member to the corresponding first member of the foundation structure, thereby splicing the foundation structure and the superstructure into a whole building structure as a combined building model. And obtaining a finite element analysis result of the combined building model, and returning to regenerate a new combined building model until the generated combined building model meets the design condition when the finite element analysis result does not meet the design condition. The design conditions can be determined by the implementer according to actual conditions.

Optionally, if the target second member exists in the node range of the first member corresponding to the infrastructure corresponding to the target second member, directly merging the nodes to generate the joint building model. Optionally, if the target second component is not in the node range of the first component corresponding to the corresponding infrastructure, the displacement is coupled by using a MultiPoint Constraint (MPC) method, and the joint building model is generated.

Optionally, a threshold range is set for the finite element analysis result of the combined building model, and if the obtained finite element analysis result is within the threshold range, the combined building model is considered to meet the design condition; and if the obtained finite element analysis result is out of the threshold range, returning to regenerate the new combined building model until the generated combined building model meets the design condition.

The embodiment of the application provides a method for splicing a foundation structure and an upper structure into a combined building model, wherein a foundation structure modeling model is generated according to a foundation design image of a standard building, and an upper structure modeling model is generated according to an upper structure design image of the standard building; acquiring a first three-dimensional model corresponding to a foundation structure of a building model to be constructed according to the foundation structure modeling model, and acquiring a second three-dimensional model corresponding to an upper structure of the building model to be constructed based on the upper structure modeling model; acquiring first node information of a first node corresponding to a first member belonging to an infrastructure from a first three-dimensional model; acquiring second node information of a second node corresponding to a second member belonging to the upper structure and attribute information of the second member from the second three-dimensional model; generating an incidence relation between the first member and the second member based on the first node information, the second node information and the attribute information; aiming at any first member in the first three-dimensional model, determining a second member which has an association relation with any first member based on the association relation, and using the second member as a target second member spliced with any first member; and splicing the target second component to any one first component to generate a combined building model, acquiring a finite element analysis result of the combined building model, and returning to regenerate a new combined building model until the generated combined building model meets the design condition when the finite element analysis result does not meet the design condition. The method and the device have the advantages that the automatic connection and the analysis and calculation of the upper structure model and the basic structure model are realized through automatic technical means, the actual engineering practice is better met, and the method and the device are compatible with the original design operation and do not increase the workload of designers.

Fig. 2 is a schematic diagram of an embodiment of a method for splicing an infrastructure and a superstructure into a combined building model according to the present application, and based on the above embodiment, as shown in fig. 2, generating an association relationship between a first member and a second member based on first node information, second node information and attribute information includes the following steps:

s201, for each second component, based on the attribute information of the second component, the second component needing to be spliced with the foundation structure is identified from all the second components to be used as a candidate second component.

And determining attribute information of each second component, wherein the second component can be a wall or a column. And identifying the second member needing to be spliced with the base structure from all the second members as a candidate second member. Taking the first member in the base structure as a column base and the corresponding second member in the superstructure as a column as an example, all the second members identifying representative columns required to be spliced with the base structure are selected as candidate second members.

Alternatively, the attribute information of the second member may indicate that the second member is a beam, floor, column, shear wall, or the like. Generally, the components such as the beam and the floor slab are not directly connected with the foundation, and the column or the shear wall is generally connected with the bottom foundation, so that candidate second components needing to be connected with the foundation structure can be quickly identified by utilizing the attribute information of the second components, the follow-up operation on all the second components is avoided, and the model generation speed is improved.

S202, determining a target candidate second component needing to be spliced on the first component based on the first node information of the first component and the second node information of the candidate second component.

And according to the node coordinate information of the first node of the first component, determining a candidate second component which is consistent with the coordinate information of the first component, or determining a candidate second component of which the distance difference value of the coordinate information of the candidate second component is smaller than a distance threshold value as a target candidate second component which needs to be spliced on the first component. Alternatively, the distance threshold may be set by the implementer.

Taking the first member in the base structure as the pillar base and the corresponding second member in the upper structure as the pillar, the pillar as the candidate second member may be one or more. And matching the coordinate information of the first node of the column base with the coordinate information of the second node of the candidate second member cylinder, and if a certain candidate second member cylinder is consistent with the column base coordinate information or the distance difference with the column base coordinate information is smaller than a distance threshold value, taking the candidate second member as a target candidate second member needing to be spliced on the first member.

S203, establishing an association relation between the first component and the corresponding target candidate second component.

If a target candidate second component corresponding to the first component exists, judging that the first component and the target candidate second component have an association relation; and if the target candidate second component corresponding to the first component does not exist, judging that the first component does not have an association relation with the target candidate second component.

According to the embodiment of the application, the candidate second components needing to be connected with the foundation structure can be quickly identified by utilizing the attribute information of the second components, the target candidate second components are determined, the association relation is established, the follow-up operation on all the second components is avoided, and the model generation speed is increased.

Fig. 3 is a schematic diagram of an embodiment of a method for splicing an infrastructure and a superstructure into a combined building model according to the present application, and as shown in fig. 3, on the basis of the above embodiment, determining a target candidate second member to be spliced on a first member based on first node information of the first member and second node information of the candidate second member includes the following steps:

s301, for each first component, obtaining a first node position of a first node corresponding to the first component from the first node information of the first component, and generating a node range of the first node based on the first node position.

And determining the first node position of the first node corresponding to the first member according to the coordinate information of the first node of each first member corresponding to the infrastructure, and generating the node range of the first node according to the position of the first node. Optionally, taking the first node position as the boundary coordinate of the first node as an example, the node range of the first node may be generated by the boundary coordinate of the first node. Optionally, taking the first node position as the coordinate of the central point of the component corresponding to the first node as an example, a distance threshold may be preset, and a circle may be drawn by taking the coordinate of the central point of the component corresponding to the first node as a circle center and the distance threshold as a radius, as the node range of the first node.

S302, acquiring a second node position of a second node corresponding to the candidate second member from the second node information of the candidate second member.

And determining the second node position of the second node corresponding to the candidate second member according to the coordinate information of the second node of each candidate second member corresponding to the upper structure. Alternatively, the second node position of the second node may be a boundary coordinate of the second node; alternatively, the second node position of the second node may be the coordinates of the center point of the member corresponding to the second node.

S303, starting with one of the candidate second components, all the candidate second components are traversed.

Wherein, the candidate second components may be one or more. When the candidate second components are multiple, one candidate second component is arbitrarily selected, and the position information traversal is performed on all the candidate second components from the candidate second component.

Taking the first member in the base structure as the pillar base and the corresponding second member in the upper structure as the pillar, the pillar as the candidate second member may be one or more. When the candidate second member representing the cylinder is a plurality of cylinders, a candidate second member cylinder is arbitrarily selected, and the position information traversal is performed on all the candidate second member cylinders starting from the candidate second member cylinder.

S304, aiming at the candidate second member traversed currently, if the second node position of the candidate second member traversed currently falls within one of the node ranges, determining a target first member corresponding to the one of the node ranges, and determining the candidate second member traversed currently as a target candidate second member corresponding to the target first member.

When all candidate second components are subjected to position information traversal, if the second node position of the candidate second component is within any one first node range, the first component corresponding to the first node is taken as a target first component, and the candidate second component traversed currently is determined as the target candidate second component corresponding to the target first component.

In the embodiment of the application, all candidate second components are traversed by one candidate second component through the first node position of the first component and the second node positions of the candidate second components, each candidate second component can be fully traversed, the target candidate second components are determined, and the condition that the target candidate second components are missed is avoided.

Fig. 4 is a schematic diagram of an embodiment of a method for splicing a combined building model by a base structure and a superstructure according to the present application, and based on the embodiment, the method for splicing the base structure and the superstructure into the combined building model further comprises the following steps, as shown in fig. 4:

s401, if the second node position of the candidate second member traversed currently does not fall into any node range, one or more standard degrees of freedom of the second node corresponding to the candidate second member are obtained.

And if the traversed second node positions of all the candidate second components do not fall into any node range, acquiring one or more standard degrees of freedom of the second nodes corresponding to the candidate second components by adopting a multipoint constraint method. The Degree of Freedom (DOF) is a basic variable calculated in finite element analysis, is a basic unknown quantity in the solution of a structural matrix equation, refers to displacement of a unit node in each direction, and is a direct solution of the matrix equation. The directions of the degrees of freedom depend on a coordinate system, and one node has 6 degrees of freedom, including three translation directions and three rotation directions.

S402, one or more degrees of freedom of the candidate first node are obtained.

And determining whether the second node position of the candidate second member is partially overlapped with all the first node ranges according to all the first node ranges corresponding to all the first nodes, if so, determining the first node range with partial overlap as the candidate node range, and taking the first node corresponding to the candidate node range as the candidate first node. And taking the first node which is partially overlapped with the node range of the candidate second component as the candidate first node. And acquiring one or more degrees of freedom corresponding to the candidate first node by adopting a multipoint constraint method.

And S403, performing a multi-point constraint equation set on the candidate second member and the candidate first node based on the standard degree of freedom and one or more degrees of freedom, and solving to determine a target first member corresponding to the candidate second member from the candidate first node.

And taking the second node corresponding to the obtained candidate second member as a designated node, taking one or more standard degrees of freedom corresponding to the second node as standard values, adopting a multipoint constraint algorithm to establish an algorithm relation with the one or more degrees of freedom corresponding to the candidate first node, carrying out multipoint constraint on the candidate second member and the candidate first node and solving, and determining a target first member corresponding to the candidate second member from the candidate first node. The multi-node constraint is a method for establishing constraint between a plurality of node degrees of freedom and one node degree of freedom, and the essence of the multi-node constraint is to establish a constraint equation set between the multi-node degree of freedom and the single-node degree of freedom.

According to the method and the device, the target first member corresponding to the candidate second member is determined based on the standard degree of freedom and one or more degrees of freedom, and the target first member corresponding to the candidate second member can be determined from the candidate first node when the traversed second node position of the candidate second member does not fall into any node range, so that the situation that the target second member is missed is avoided.

Fig. 5 is a schematic view of an embodiment of a method for splicing a base structure and a superstructure into a combined building model according to the present application, and as shown in fig. 5, a first three-dimensional model corresponding to the base structure and a second three-dimensional model corresponding to the superstructure of the building model to be built are obtained, including the following steps:

s501, obtaining a first modeling document of the basic structure, inputting structural design data in the first modeling document into a basic structure modeling model for three-dimensional construction, and generating a first three-dimensional model of the basic structure.

Optionally, taking the example of building a three-dimensional model based on an AutoCAD platform as an example, obtaining a first modeling document of a basic structure, creating a window in an AutoCAD software environment, integrally managing the window with an AutoCAD own document and a view by AutoCAD, extracting structural design data from the first modeling document, performing three-dimensional modeling according to the structural design data extracted from the obtained first modeling document to obtain a first three-dimensional model of the basic structure, dynamically displaying the first three-dimensional model of the basic structure in the AutoCAD three-dimensional window, and finishing input and output interactive operations of various three-dimensional views and entities in the dynamically displayed first three-dimensional model.

S502, a second modeling document of the upper structure is obtained, and structural design data in the second modeling document are input into the upper structure modeling model to be three-dimensionally constructed, so that a second three-dimensional model of the upper structure is generated.

Optionally, taking building of a three-dimensional model based on an AutoCAD platform as an example, obtaining a second modeling document of the upper structure, creating a window in an AutoCAD software environment, integrally managing the window with the AutoCAD document and the view by AutoCAD, extracting structural design data from the second modeling document, performing three-dimensional modeling according to the structural design data extracted from the obtained second modeling document to obtain a second three-dimensional model of the upper structure, dynamically displaying the second three-dimensional model of the upper structure in the AutoCAD three-dimensional window, and completing input and output interactive operations of various three-dimensional views and entities in the dynamically displayed second three-dimensional model.

According to the embodiment of the application, the base structure and the upper structure are subjected to three-dimensional reconstruction, the first three-dimensional model and the second three-dimensional model are respectively generated, and the base structure and the upper structure are visually and clearly restored in the models.

FIG. 6 is a schematic diagram of an embodiment of a method for splicing a base structure and a superstructure into a combined building model according to the application, wherein obtaining the results of a finite element analysis of the combined building model, as shown in FIG. 6, comprises the steps of:

s601, carrying out finite element division on the building model to generate a finite element model.

In performing three-dimensional designs, verification of the design is often required in order to find the best design solution. The verification can adopt Finite Element Analysis (FEA), and the basic idea is to discretize a continuous geometric mechanism into a Finite number of units and set a Finite number of nodes in each unit, so that a continuum is regarded as an aggregate of a group of units connected only at the nodes, node values of field functions are selected as basic unknowns, an approximate interpolation function is assumed in each unit to represent the distribution rule of the field functions in the units, and a Finite Element equation set for solving the node unknowns is established, so that the infinite freedom problem in a continuous domain is converted into the Finite freedom problem in a discrete domain.

Finite element analysis is a solution to a complex problem replaced by a simpler one, and finite element analysis is a solution to discrete elements that are grouped together to represent a true continuum.

The accuracy obtained on the basis of any finite-element model is directly related to the finite-element mesh used. Finite element meshes are used to divide the finite element model into many smaller domains, which we refer to as finite element elements. From the accuracy of the calculation result, it is needless to say that the smaller the finite element is, the better the finite element is, but the time required for the calculation is also greatly increased. In addition, when performing finite element analysis on a microcomputer, the capacity of the computer is also considered. Therefore, on the premise of ensuring the calculation accuracy, fewer finite element units are used for stress calculation.

Alternatively, when the building model is subjected to finite element division into units, finite element division methods such as a unit size reduction method, a unit order increase method, a global adaptive mesh refinement method, a local adaptive mesh division method, a manual mesh adjustment method and the like can be adopted. Alternatively, the finite element software commonly used for the finite element analysis is ANSYS, SDRC/I-DEAS, or the like.

And S602, configuring the analysis type and the material property of the finite element model.

And (4) configuring and analyzing the types and the material properties of the divided finite element units. Optionally, finite element analysis types may include column elements, plinth elements, wall elements, beam elements, etc., depending on the configuration of the superstructure and substructure; finite element material properties may include low carbon steel, cement, alloys, aluminum, gray cast iron, and the like.

And S603, applying load and constraint to the finite element model, and performing finite element solution to generate a finite element analysis result of the combined building model.

Taking ANSYS finite element analysis as an example, the load application may be performed on the finite element elements or nodes while applying loads and constraints to the finite element model. Alternatively, the load types may be classified into a concentrated load, a line-surface load, a volume load, an inertial load, and the like. According to the size, distribution and time dependence of the load, approximate estimation is made through simplified assumption in FEA analysis, and finite element solution is carried out to generate a finite element analysis result of the combined building model.

FIG. 7 is a schematic diagram of an embodiment of a method for splicing a base structure and a superstructure into a joint building model according to the application, and performing a finite element solution to generate a finite element analysis result of the joint building model as shown in FIG. 7, comprising the steps of:

s701, obtaining a unit stiffness matrix of each unit in the finite element model.

An element stiffness matrix (element stiffness matrix) is an important coefficient matrix calculated by using a finite element method in solid mechanics. In the mechanical analysis of the finite unit body, the stress and deformation relation of the unit body is characterized. The unit stiffness moment of each unit in the finite element model is obtained, and the complex relation between force and deformation can be simply and visually represented by a matrix, so that the programming calculation is facilitated. The physical meaning of an element in the stiffness matrix of the element is the ability of the element to resist deformation after being subjected to a node force, and is determined by the shape, size, orientation and elastic constant of the element, regardless of the position of the element, i.e. without changing with the parallel movement of the element or coordinate axes.

S702, generating an overall stiffness matrix of the finite element model based on the element stiffness matrix.

In FEA analysis, the task of finite element analysis is to establish an element stiffness equation to form an element stiffness matrix; the main task of the overall analysis is to integrate the units into a whole, and form an overall stiffness matrix by the unit stiffness matrix according to the stiffness integration rule. Alternatively, the element stiffness matrix may be converted to an overall stiffness matrix of the finite element model by a MATLAB programming algorithm.

And S703, generating load vectors of the nodes in the finite element model based on the overall stiffness matrix.

And obtaining the load vector of the node in the finite element model according to the total stiffness moment. The load vector is a force acting on the node, and is a node force vector forming a structure by arranging the forces in a line in the order of the nodes, wherein the vector formed by the node force caused by the external load alone is called the load vector without considering the constraint counter force.

And S704, solving an equation based on the load vector of the node and the constraint condition of the finite element model, and obtaining the displacement of the node.

In engineering practice, a component is always interconnected with other surrounding components in a manner that the movement of the object is limited by other surrounding objects. Such other objects in the surroundings that limit certain displacements of the object are called constraints. Optionally, constraint conditions are introduced into the finite element model through programming by adopting a multiplication method, and equation solution is carried out according to the load vector of the node. Alternatively, the equation solution may employ a gaussian elimination method, an orthogonal trigonometric decomposition method, or the like.

S705, determining the element stress of the finite element model based on the displacement of the node.

The nodal displacements are transformed into element nodal displacements, thereby determining element stresses of the finite element model.

FIG. 8 is a schematic diagram of an embodiment of a method for splicing a base structure and a superstructure into a joined building model according to the present application, generating an overall stiffness matrix of a finite element model based on an element stiffness matrix, as shown in FIG. 8, comprising the steps of:

s801, obtaining constraint conditions of the finite element model, and sequencing the degrees of freedom of all units in the finite element model based on the constraint conditions.

And sequencing the degrees of freedom of all the units in the finite element model according to the constraint conditions of the finite element model.

S802, according to the sequencing result of the degrees of freedom, all the unit stiffness matrixes are assembled to generate a total stiffness matrix.

And according to the ordering result of the degrees of freedom of the finite element units, node numbering and the finite element units are carried out on the finite element units, the unit rigidity matrix under a local coordinate system is converted into the unit rigidity matrix under the whole coordinate system through a coordinate conversion formula, the obtained unit rigidity matrix under the whole coordinate system is assembled according to the node numbering, and the generated matrix is used as a total rigidity matrix.

Fig. 9 is a schematic diagram of an embodiment of a method for splicing a base structure and a superstructure into a combined building model according to the present application, and the building model generation method includes the following steps, as shown in fig. 9:

s901, obtaining a first modeling document of the basic structure, inputting structural design data in the first modeling document into a basic structure modeling model for three-dimensional construction, and generating a first three-dimensional model of the basic structure.

S902, acquiring a second modeling document of the upper structure, inputting structural design data in the second modeling document into the upper structure modeling model for three-dimensional construction, and generating a second three-dimensional model of the upper structure.

Regarding steps S901 to S902, the above embodiments have been specifically described, and are not described herein again.

S903, first node information of a first node corresponding to a first member belonging to the infrastructure is obtained from the first three-dimensional model.

S904, second node information of a second node corresponding to a second member belonging to the upper structure and attribute information of the second member are acquired from the second three-dimensional model.

Regarding steps S903 to S904, the above embodiments have been specifically described, and are not described herein again.

And S905, for each second member, identifying the second members needing to be spliced with the foundation structure from all the second members as candidate second members based on the attribute information of the second members.

S906, for each first member, obtains a first node position of a first node corresponding to the first member from the first node information of the first member, and generates a node range of the first node based on the first node position.

S907, obtain the second node position of the second node corresponding to the candidate second component from the second node information of the candidate second component.

S908, traverse all candidate second components beginning with one of the candidate second components.

S909, for the currently traversed candidate second component, if the second node position of the currently traversed candidate second component falls within one of the node ranges, determining a target first component corresponding to the one of the node ranges, and determining the currently traversed candidate second component as a target candidate second component corresponding to the target first component.

S910, if the second node position of the candidate second member traversed currently does not fall into any node range, one or more standard degrees of freedom of the second node corresponding to the candidate second member are obtained.

S911, one or more degrees of freedom of the candidate first node are obtained.

S912, performing a multi-point constraint equation set on the candidate second member and the candidate first node based on the standard degree of freedom and the one or more degrees of freedom, and solving to determine a target first member corresponding to the candidate second member from the candidate first node.

S913, establishing an association relationship between the first component and the corresponding target candidate second component.

And S914, aiming at any first member in the first three-dimensional model, determining a second member which has an association relation with any first member based on the association relation, and using the second member as a target second member for splicing with any first member.

Regarding steps S905 to S914, the above embodiments have been specifically described, and are not described herein again.

And S915, splicing the target second component to any one first component to generate a combined building model, acquiring a finite element analysis result of the combined building model, and returning to regenerate a new combined building model until the generated combined building model meets the design condition when the finite element analysis result does not meet the design condition.

Fig. 10 is a schematic view of an apparatus for splicing a base structure and a superstructure into a unified building model according to the present application, and as shown in fig. 10, the apparatus 1000 for splicing a base structure and a superstructure into a unified building model includes: a modeling model obtaining module 1001, a three-dimensional model obtaining module 1002, a basic structure information obtaining module 1003, an upper structure information obtaining module 1004, an incidence relation determining module 1005, a target second member determining module 1006, and a member splicing module 1007, wherein:

a modeling model obtaining module 1001 configured to generate a base structure modeling model from the base design image of the standard building and generate a superstructure modeling model from the superstructure design image of the standard building.

The three-dimensional model obtaining module 1002 is configured to obtain a first three-dimensional model corresponding to a foundation structure of a building model to be built and a second three-dimensional model corresponding to an upper structure of the building model.

An infrastructure information obtaining module 1003, configured to obtain, from the first three-dimensional model, first node information of a first node corresponding to a first member belonging to an infrastructure.

A superstructure information obtaining module 1004 for obtaining second node information of a second node corresponding to a second member belonging to the superstructure and attribute information of the second member from the second three-dimensional model.

An association relation determining module 1005, configured to generate an association relation between the first component and the second component based on the first node information, the second node information, and the attribute information.

And a target second member determining module 1006, configured to determine, for any first member in the first three-dimensional model, a second member associated with any first member based on the association relationship, and serve as a target second member to be spliced with any first member.

And the component splicing module 1007 is used for splicing the target second component to any first component to generate a combined building model, acquiring a finite element analysis result of the combined building model, and returning to regenerate a new combined building model until the generated combined building model meets the design condition when the finite element analysis result does not meet the design condition. Further, the association relation determining module 1005 is further configured to: for each second member, identifying the second members needing to be spliced with the foundation structure from all the second members as candidate second members based on the attribute information of the second members; determining a target candidate second component needing to be spliced on the first component based on the first node information of the first component and the second node information of the candidate second component; and establishing an association relation between the first component and the corresponding target candidate second component.

Further, the association relation determining module 1005 is further configured to: for each first component, acquiring a first node position of a first node corresponding to the first component from first node information of the first component, and generating a node range of the first node based on the first node position; acquiring a second node position of a second node corresponding to the candidate second member from second node information of the candidate second member; starting to traverse all the candidate second components by one of the candidate second components; and for the candidate second member traversed currently, if the second node position of the candidate second member traversed currently falls within one of the node ranges, determining a target first member corresponding to the one of the node ranges, and determining the candidate second member traversed currently as a target candidate second member corresponding to the target first member.

Further, the association relation determining module 1005 is further configured to: if the second node position of the currently traversed candidate second member does not fall into any node range, acquiring one or more standard degrees of freedom of a second node corresponding to the candidate second member; acquiring one or more degrees of freedom of a candidate first node; and performing a multi-point constraint equation set on the candidate second member and the candidate first node based on the standard degree of freedom and one or more degrees of freedom, and solving to determine a target first member corresponding to the candidate second member from the candidate first node.

Further, the association relation determining module 1005 is further configured to: determining a candidate node range with partial overlapping of the second node position of the candidate second component and the node range from all the node ranges; and taking the first node corresponding to the candidate node range as a candidate first node.

Further, the three-dimensional model obtaining module 1002 is further configured to: acquiring a first modeling document of a basic structure, inputting structural design data in the first modeling document into a basic structure modeling model for three-dimensional construction, and generating a first three-dimensional model of the basic structure; and acquiring a second modeling document of the upper structure, inputting structural design data in the second modeling document into the upper structure modeling model for three-dimensional construction, and generating a second three-dimensional model of the upper structure.

Further, component splicing module 1007 is further configured to: carrying out finite element division on the building model to generate a finite element model; configuring the analysis type and material property of the finite element model; and applying loads and constraints to the finite element model, and performing finite element solution to generate a finite element analysis result of the combined building model.

Further, component splicing module 1007 is further configured to: acquiring a unit stiffness matrix of each unit in the finite element model; generating an overall stiffness matrix of the finite element model based on the element stiffness matrix; generating load vectors of nodes in the finite element model based on the overall stiffness matrix; carrying out equation solution based on the load vector of the node and the constraint condition of the finite element model to obtain the displacement of the node; based on the displacements of the nodes, the element stresses of the finite element model are determined.

Further, component splicing module 1007 is further configured to: acquiring constraint conditions of the finite element model, and sequencing the degrees of freedom of all units in the finite element model based on the constraint conditions; and assembling all the unit stiffness matrixes according to the sequencing result of the degrees of freedom to generate an overall stiffness matrix.

In order to implement the foregoing embodiments, an embodiment of the present application further provides an electronic device 1100, as shown in fig. 11, where the electronic device 1100 includes: a processor 1101 and a memory 1102 communicatively coupled to the processor, the memory 1102 storing instructions executable by the at least one processor 1101 to implement a method of stitching a base structure and a superstructure into a joined building model as illustrated in the above embodiments.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

Based on the same application concept, the present application also provides a computer-readable storage medium having stored thereon computer instructions, where the computer instructions are used for causing a computer to execute the method of splicing the infrastructure and the superstructure into the combined building model in the foregoing embodiments.

Based on the same application concept, the present application also provides a computer program product, including a computer program, which, when being executed by a processor, is configured to perform the method of splicing a base structure and a superstructure into a combined building model.

It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A method of splicing a base structure and a superstructure into a unified building model, comprising:

generating a base structure modeling model according to a base design image of a standard building, and generating a superstructure modeling model according to a superstructure design image of the standard building;

acquiring a first three-dimensional model corresponding to a basic structure of a building model to be constructed according to the basic structure modeling model, and acquiring a second three-dimensional model corresponding to an upper structure of the building model to be constructed based on the upper structure modeling model;

acquiring first node information of a first node corresponding to a first member belonging to the infrastructure from the first three-dimensional model;

acquiring second node information of a second node corresponding to a second member belonging to the superstructure and attribute information of the second member from the second three-dimensional model;

generating an association relationship between the first member and the second member based on the first node information, the second node information, and the attribute information;

for any first member in the first three-dimensional model, determining the second member which is in association with the any first member based on the association relation as a target second member for splicing with the any first member;

and splicing the target second component to any one of the first components to generate a combined building model, acquiring a finite element analysis result of the combined building model, and returning to regenerate a new combined building model when the finite element analysis result does not meet the design condition until the generated combined building model meets the design condition.

2. The method of claim 1, wherein generating the association relationship between the first component and the second component based on the first node information, the second node information, and the attribute information comprises:

for each second member, identifying the second member needing to be spliced with the foundation structure from all the second members as a candidate second member based on the attribute information of the second member;

determining a target candidate second member needing to be spliced on the first member based on the first node information of the first member and the second node information of the candidate second member;

and establishing an association relation between the first component and the corresponding target candidate second component.

3. The method of claim 2, wherein the determining a target candidate second member to be spliced on the first member based on the first node information of the first member and the second node information of the candidate second member comprises:

for each first component, acquiring a first node position of a first node corresponding to the first component from first node information of the first component, and generating a node range of the first node based on the first node position;

acquiring a second node position of a second node corresponding to the candidate second member from second node information of the candidate second member;

traversing all candidate second components starting with one of the candidate second components;

for the candidate second member traversed currently, if the second node position of the candidate second member traversed currently is within one of the node ranges, determining a target first member corresponding to the one of the node ranges, and determining the candidate second member traversed currently as the target candidate second member corresponding to the target first member.

4. The method of claim 3, further comprising:

if the second node position of the candidate second member traversed currently does not fall into any node range, acquiring one or more standard degrees of freedom of a second node corresponding to the candidate second member;

acquiring one or more degrees of freedom of a candidate first node;

and performing a multi-point constraint equation set on the candidate second member and the candidate first node based on the standard degree of freedom and the one or more degrees of freedom, and solving to determine the target first member corresponding to the candidate second member from the candidate first node.

5. The method of claim 4, further comprising:

determining a candidate node range in which the second node position of the candidate second member is partially overlapped with the node range from all the node ranges;

and taking the first node corresponding to the candidate node range as the candidate first node.

6. The method according to any of claims 1-5, wherein said obtaining a first three-dimensional model corresponding to a base structure of the building model to be built from the base structure modeling model and obtaining a second three-dimensional model corresponding to a superstructure of the building model to be built based on the superstructure modeling model comprises:

acquiring a first modeling document of the basic structure, inputting structural design data in the first modeling document into the basic structure modeling model for three-dimensional construction, and generating a first three-dimensional model of the basic structure;

and acquiring a second modeling document of the upper structure, inputting structural design data in the second modeling document into the upper structure modeling model for three-dimensional construction, and generating a second three-dimensional model of the upper structure.

7. The method according to any one of claims 1-5, wherein said obtaining a finite element analysis result of said combined construction model comprises:

carrying out finite element division on the building model to generate a finite element model;

configuring the analysis type and material property of the finite element model;

and applying loads and constraints to the finite element model, and performing finite element solution to generate a finite element analysis result of the combined building model.

8. The method of claim 7, wherein performing a finite element solution to generate a finite element analysis result of the combined building model comprises:

acquiring a unit stiffness matrix of each unit in the finite element model;

generating an overall stiffness matrix of the finite element model based on the element stiffness matrix;

generating load vectors of nodes in the finite element model based on the overall stiffness matrix;

carrying out equation solution based on the load vector of the node and the constraint condition of the finite element model to obtain the displacement of the node;

determining a cell stress of the finite element model based on the displacement of the node.

9. The method of claim 8, wherein generating an overall stiffness matrix for the finite element model based on the element stiffness matrix comprises:

acquiring constraint conditions of the finite element model, and sequencing the degrees of freedom of all units in the finite element model based on the constraint conditions;

and assembling all the unit stiffness matrixes according to the sequencing result of the degrees of freedom to generate the overall stiffness matrix.

10. An apparatus for splicing a base structure and a superstructure into a unified building model, comprising:

the modeling model acquisition module is used for generating a basic structure modeling model according to a basic design image of a standard building and generating an upper structure modeling model according to an upper structure design image of the standard building;

the three-dimensional model acquisition module is used for acquiring a first three-dimensional model corresponding to a basic structure of the building model to be constructed according to the basic structure modeling model and acquiring a second three-dimensional model corresponding to an upper structure of the building model to be constructed based on the upper structure modeling model;

an infrastructure information obtaining module, configured to obtain, from the first three-dimensional model, first node information of a first node corresponding to a first member belonging to the infrastructure;

a superstructure information acquiring module configured to acquire, from the second three-dimensional model, second node information of a second node corresponding to a second member belonging to the superstructure and attribute information of the second member;

an association relation determination module, configured to generate an association relation between the first component and the second component based on the first node information, the second node information, and the attribute information;

a target second member determination module, configured to determine, for any first member in the first three-dimensional model, based on the association relationship, a second member that is associated with the any first member, as a target second member to be spliced with the any first member;

and the component splicing module is used for splicing the target second component to any one of the first components, generating a combined building model, acquiring a finite element analysis result of the combined building model, and returning to regenerate a new combined building model until the generated combined building model meets the design condition when the finite element analysis result does not meet the design condition.

11. The apparatus of claim 10, wherein the association determination module is further configured to:

12. The apparatus of claim 11, wherein the association determination module is further configured to:

13. The apparatus of claim 12, wherein the association determination module is further configured to:

acquiring one or more degrees of freedom of a candidate first node;

14. The apparatus of claim 13, wherein the association determination module is further configured to:

15. The apparatus according to any one of claims 10-14, wherein the three-dimensional model obtaining module is further configured to:

16. The apparatus of any of claims 10-14, wherein the component splicing module is further configured to:

17. The apparatus of claim 16, wherein the component splicing module is further configured to:

acquiring a unit stiffness matrix of each unit in the finite element model;

18. The apparatus of claim 17, wherein the component splicing module is further configured to:

19. An electronic device, comprising:

at least one processor; and

a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,

the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1 to 9.

20. A computer storage medium having stored thereon computer-executable instructions capable, when executed by a processor, of performing the method of any one of claims 1 to 9.