CN116280077A - Ship pipeline stress analysis model construction method and system - Google Patents
Ship pipeline stress analysis model construction method and system Download PDFInfo
- Publication number
- CN116280077A CN116280077A CN202310293574.1A CN202310293574A CN116280077A CN 116280077 A CN116280077 A CN 116280077A CN 202310293574 A CN202310293574 A CN 202310293574A CN 116280077 A CN116280077 A CN 116280077A
- Authority
- CN
- China
- Prior art keywords
- model
- parts
- stress analysis
- information
- analysis software
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims description 5
- 238000013507 mapping Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 description 9
- 238000012546 transfer Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
- B63B71/10—Designing vessels; Predicting their performance using computer simulation, e.g. finite element method [FEM] or computational fluid dynamics [CFD]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
Abstract
The application provides a method and a system for constructing a ship pipeline stress analysis model, wherein the method comprises the following steps: s1, creating a mapping relation database of parts between three-dimensional design software and stress analysis software; s2, inputting names of the pipeline systems into three-dimensional design software, automatically acquiring three-dimensional models of the pipeline systems, extracting names, model types and position information of all parts from a structural tree of the acquired three-dimensional models, extracting model information required by stress analysis of each part from the three-dimensional models, and simultaneously creating numbers for each part; s3, converting the extracted model type and model information of the parts into modeling type and attribute information in corresponding stress analysis software according to the created part mapping relation database, determining association relations of all the parts in the stress analysis software by combining the obtained position information, and finally inputting the modeling type, the attribute information and the association relations of all the model parts into the stress analysis software. The method improves the modeling efficiency of the stress analysis software model.
Description
Technical Field
The application relates to the technical field of ship pipeline stress analysis, in particular to a ship pipeline stress analysis model construction method and system.
Background
The pipeline system design is an important component in the ship design process, and the process of the detailed design of the pipeline system of the whole ship comprises the step of carrying out stress analysis on the related pipeline so as to verify the strength, vibration, fatigue and other characteristics of the adopted pipeline under the condition of complex stress, thereby ensuring that the design result meets the requirements of related standards. The stress analysis of the whole vessel pipeline system is usually performed by adopting pipeline stress analysis software. However, no model conversion exists between the current pipeline stress analysis software, such as caesii, and the three-dimensional design software of the vessel. That is, after the three-dimensional design of the piping system is completed, the designer needs to re-model in the piping stress analysis software based on the two-dimensional CAD drawing again. This original modeling approach results in design inefficiency.
Disclosure of Invention
The embodiment of the application aims to provide a ship pipeline stress analysis model construction method and system, which solve the technical problem of low modeling efficiency in pipeline stress analysis software.
In a first aspect, a method for constructing a ship pipeline stress analysis model is provided, including:
s1, creating a mapping relation database of parts between three-dimensional design software and stress analysis software, wherein the mapping relation database comprises the corresponding relation of all parts in a pipeline system;
s2, inputting names of the pipeline systems into three-dimensional design software, automatically acquiring three-dimensional models of the pipeline systems, extracting names, model types and position information of all parts from a structural tree of the acquired three-dimensional models, extracting model information required by stress analysis of each part from the three-dimensional models, and simultaneously creating numbers for each part;
s3, inputting the extracted model type and model information of the parts into a mapping relation database, converting the model type and the model information into modeling type and attribute information in corresponding stress analysis software, determining association relations of all the parts in the stress analysis software by combining the obtained position information, and finally inputting the association relations of the modeling type, the attribute information and all the model parts into the stress analysis software in a readable text.
In one embodiment, in the step S1, creating a mapping relation database of parts between the three-dimensional design software and the stress analysis software includes:
respectively obtaining a model type of each part in three-dimensional design software and a modeling type of each part in stress analysis software according to the types of the parts in the pipeline system, and establishing a one-to-one mapping relation between the model types and the modeling types;
according to the requirement of pipeline stress analysis, determining model information to be acquired in three-dimensional design software of each part, and mapping the model information into attribute information in stress analysis software;
and creating a mapping relation database of model parts between the three-dimensional design software and the stress analysis software based on the corresponding relation between the model type and the modeling type and the corresponding relation between the model information and the attribute information.
In one embodiment, in the step S3, after inputting the association relation of the modeling category, the attribute information and all the model parts into the stress analysis software in readable text, the method further includes:
in the stress analysis software, the end points of the parts connected with the valve or the bracket are automatically extended to the central coordinate positions of the valve or the bracket parts according to the positions of the valve and the bracket.
In one embodiment, in the S3, the readable text includes a general text format or a binary text format.
In one embodiment, the types of parts in the piping system include pipe sections, elbows, tees, reducer pipes, brackets, valves, flanges, expansion joints, meters, and other accessories and connectors.
In one embodiment, the extracting model information required for stress analysis of each part from the three-dimensional model includes:
extracting coordinates, length, inner diameter and outer diameter of a section, materials, starting points and connection information of other parts of starting points and end points of the parts aiming at the pipe sections and the different-diameter parts;
extracting coordinates, angles, radiuses, inner diameters and outer diameters of sections, materials, starting points and connection information of other parts of the starting point and the end point of the part aiming at the elbow part;
for the three-way part, extracting the coordinates, the radius, the outlet angle, the inner diameter and the outer diameter of an interface, materials, the outlet and the connection information of other parts of the part;
for other parts, extracting the sizes of the other parts, and acquiring the position coordinates of the center point of the part, the weight and the connection information of the other parts;
the connection information includes the name and number of the next part to which the part is connected.
In a second aspect, the present application further provides a ship pipeline stress analysis model building system, including:
the mapping relation database creating module is used for creating a mapping relation database of the parts between the three-dimensional design software and the stress analysis software according to the types of the parts in the pipeline system;
the model type and model information module is used for inputting the names of the pipeline systems in the three-dimensional design software, automatically acquiring the three-dimensional models of the pipeline systems, extracting the names, model types and position information of all parts from the structural tree of the acquired three-dimensional models, extracting the model information required by stress analysis of each part from the three-dimensional models, and simultaneously creating numbers for each part;
the conversion and input module is used for converting the extracted model type and model information of the parts into modeling types and attribute information in corresponding stress analysis software according to the created part mapping relation database, determining the association relation of all the parts in the stress analysis software by combining the obtained position information, and finally inputting the association relation of the modeling types, the attribute information and all the model parts into the stress analysis software in a readable text.
The beneficial effect that this application had:
based on a detailed design model of the pipeline system, a model transfer interface between design software and analysis software is researched, so that the three-dimensional model of the pipeline system is quickly converted into the analysis model, the model between the software is efficiently and accurately transferred, repeated modeling is eliminated, a calculation model meeting the pipeline stress analysis requirement is quickly constructed, and the ship design efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for constructing a ship pipeline stress analysis model according to an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In a first aspect, the present application provides a method for constructing a stress analysis model of a ship pipeline. Fig. 1 is a flowchart of a method for constructing a ship pipeline stress analysis model according to an embodiment of the present application. Referring to fig. 1, the method specifically includes the steps of:
s1, creating a mapping relation database of parts between CAD three-dimensional design software and stress analysis software, wherein the mapping relation database comprises the corresponding relation of all parts in a pipeline system; the types of parts in the pipeline system comprise pipe sections, elbows, tees, reducer pipes, brackets, valves, flanges, expansion joints, meters and other accessory fittings and connectors.
In one embodiment, the mapping may be based on modeling categories. Specifically, the model type of each part in the three-dimensional design software and the modeling type of each part in the stress analysis software are respectively obtained according to the types of the parts in the pipeline system, and a one-to-one mapping relation is established between the model type and the modeling type;
according to the requirement of pipeline stress analysis, determining model information to be acquired in three-dimensional design software of each part, and mapping the model information into attribute information in stress analysis software;
and creating a mapping relation database of model parts between the three-dimensional design software and the stress analysis software based on the corresponding relation between the model type and the modeling type and the corresponding relation between the model information and the attribute information. The mapping relation database defines the attribute information of the parts which need to be extracted in the three-dimensional design model.
S2, inputting names of the pipeline systems into three-dimensional design software, automatically acquiring three-dimensional models of the pipeline systems through a link relation, extracting names, model types and position information of all parts from a structural tree of the acquired three-dimensional models, extracting model information required by stress analysis of each part, and simultaneously creating numbers for each part; the numbering is used for the connection of adjacent parts in the subsequent model conversion process.
The specific model information to be extracted comprises:
for a pipe section and a different-diameter part, the coordinates, the length, the inner diameter and the outer diameter of a section, the material, the starting point and the connection information of other parts of the part are required to be obtained;
for elbow parts, coordinates, angles, radiuses, inner diameters and outer diameters of sections, materials, starting points and connection information of other parts of the parts are required to be obtained;
aiming at the three-way part, the coordinates, the radius, the outlet angle, the inner diameter and the outer diameter of an interface, materials, the outlet and the connection information of other parts of the part are required to be obtained;
aiming at other parts, the sizes of the other parts are required to be obtained, and the position coordinates of the center point, the weight and the connection information of the other parts are required to be obtained;
the connection information includes the name and number of the next part to which the part is connected.
S3, inputting the extracted model type and model information of the parts into a mapping relation database, converting the model type and the model information into modeling type and attribute information in corresponding stress analysis software, determining association relations of all the parts in the stress analysis software by combining the obtained position information, and finally inputting the association relations of the modeling type, the attribute information and all the model parts into the stress analysis software in a readable text. After all parts are converted, the part information is written into the input file one by one according to the format requirement of the input file supported by the stress analysis software, so that all parts are ensured to be written into the input file in a correct mode.
Taking ship three-dimensional design software CATIA and stress analysis software CAESARII as examples for further explanation:
firstly, creating a mapping relation database of parts between CATIA and CAESARII;
taking a PIPE section as an example, the model type in CAESARII is PIPE, and the required model information comprises the starting point coordinates, length, inner diameter and outer diameter of the section, materials and connection information of other parts, branch PIPEs and valves, and simultaneously creates unique numbers for the parts. The model type of the Pipe section in the CATIA is Rigid Pipe, a corresponding attribute interface is created according to the requirements, the model type Rigid Pipe is directly defined as the modeling type PIPE in the CAESARII when mapping conversion is carried out subsequently, and meanwhile, the model information and the position information of the Rigid Pipe in the CATIA are transmitted as the attribute information in the CAESARII. Taking the pipe section as an example, the mapping relation creation mode of other types of parts is consistent with the pipe section.
And traversing the structure tree of the three-dimensional model of the pipeline in the CATIA to obtain the names and model types of all parts on the structure tree, and extracting the attribute information required by the parts according to the mapping relation database of the parts.
And thirdly, converting the model type and model information of the CATIA into modeling type and attribute information in the corresponding CAESARII according to a mapping relation database of the parts, and determining the association relation of each part in the CAESARII according to the position information extracted from the CATIA so as to ensure that the parts keep continuous. The PCF format requires writing text and changing the text suffix name into PCF to complete the creation of the input file.
In the implementation process, the model transfer interface between the three-dimensional design software and the stress analysis software is researched, and the high-efficiency and accurate transfer of the models between the software is realized by setting the mapping relation database and one-to-one mapping input. By utilizing the recycling principle of a single data model, a three-dimensional model of a pipe system is quickly constructed into a calculation analysis model meeting the requirement of pipeline stress analysis, repeated modeling is avoided, and the design and creation efficiency of the model in stress analysis software is improved.
In one embodiment, in S3, after inputting the association relation of the modeling category, the attribute information, and all model parts into the stress analysis software in readable text, the method further includes:
in stress analysis software, aiming at parts with neglected sizes such as a valve and a bracket, the end points or connecting points of the parts connected with the valve or the bracket are automatically extended to the central coordinate positions of the parts of the valve or the bracket, so that the continuity of a model is ensured.
In one embodiment, in S3, the readable text includes a universal text format or a binary text format.
In a second aspect, the present application further provides a ship pipeline stress analysis model building system, including:
the mapping relation database creating module is used for creating a mapping relation database of the parts between the three-dimensional design software and the stress analysis software according to the types of the parts in the pipeline system;
the model type and model information module is used for inputting the names of the pipeline systems, automatically acquiring a three-dimensional model of the pipeline systems in three-dimensional design software, extracting the names, model types and position information of all parts from the structural tree of the acquired three-dimensional model, determining the model information to be extracted of the parts according to the mapping relation database, extracting the model information, and simultaneously creating a number for each part;
the conversion and input module is used for converting the extracted model type and model information of the parts into modeling types and attribute information in corresponding stress analysis software according to the created part mapping relation database, determining the association relation of all the parts in the stress analysis software by combining the obtained position information, and finally inputting the association relation of the modeling types, the attribute information and all the model parts into the stress analysis software in a readable text.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (7)
1. The method for constructing the ship pipeline stress analysis model is characterized by comprising the following steps of:
s1, creating a mapping relation database of parts between three-dimensional design software and stress analysis software, wherein the mapping relation database comprises the corresponding relation of all parts in a pipeline system;
s2, inputting names of the pipeline systems into three-dimensional design software, automatically acquiring three-dimensional models of the pipeline systems, extracting names, model types and position information of all parts from a structural tree of the acquired three-dimensional models, extracting model information required by stress analysis of each part from the three-dimensional models, and simultaneously creating numbers for each part;
s3, inputting the extracted model type and model information of the parts into a mapping relation database, converting the model type and the model information into modeling type and attribute information in corresponding stress analysis software, determining association relations of all the parts in the stress analysis software by combining the obtained position information, and finally inputting the association relations of the modeling type, the attribute information and all the model parts into the stress analysis software in a readable text.
2. The method for constructing a stress analysis model of a ship pipeline according to claim 1, wherein in S1, creating a mapping relation database of parts between three-dimensional design software and stress analysis software comprises:
respectively obtaining a model type of each part in three-dimensional design software and a modeling type of each part in stress analysis software according to the types of the parts in the pipeline system, and establishing a one-to-one mapping relation between the model types and the modeling types;
according to the requirement of pipeline stress analysis, determining model information to be acquired in three-dimensional design software of each part, and mapping the model information into attribute information in stress analysis software;
and creating a mapping relation database of model parts between the three-dimensional design software and the stress analysis software based on the corresponding relation between the model type and the modeling type and the corresponding relation between the model information and the attribute information.
3. The method according to claim 1, wherein in S3, after inputting the association relation of the modeling category, the attribute information, and all model parts into stress analysis software in readable text, the method further comprises:
in the stress analysis software, the end points of the parts connected with the valve or the bracket are automatically extended to the central coordinate positions of the valve or the bracket parts according to the positions of the valve and the bracket.
4. The ship pipeline stress analysis model construction method according to claim 1, wherein in S3, the readable text includes a general text format or a binary text format.
5. The method of constructing a stress analysis model for a ship pipeline according to claim 2, wherein the types of parts in the pipeline system include pipe sections, elbows, tees, reducer pipes, brackets, valves, flanges, expansion joints, meters and other accessories and connectors.
6. The method for constructing a stress analysis model of a ship pipeline according to claim 5, wherein the extracting model information required for stress analysis of each part from the three-dimensional model comprises:
extracting coordinates, length, inner diameter and outer diameter of a section, materials, starting points and connection information of other parts of starting points and end points of the parts aiming at the pipe sections and the different-diameter parts;
extracting coordinates, angles, radiuses, inner diameters and outer diameters of sections, materials, starting points and connection information of other parts of the starting point and the end point of the part aiming at the elbow part;
for the three-way part, extracting the coordinates, the radius, the outlet angle, the inner diameter and the outer diameter of an interface, materials, the outlet and the connection information of other parts of the part;
for other parts, extracting the sizes of the other parts, and acquiring the position coordinates of the center point of the part, the weight and the connection information of the other parts;
the connection information includes the name and number of the next part to which the part is connected.
7. A marine pipeline stress analysis model building system, comprising:
the mapping relation database creating module is used for creating a mapping relation database of the parts between the three-dimensional design software and the stress analysis software according to the types of the parts in the pipeline system;
the model type and model information module is used for inputting the names of the pipeline systems in the three-dimensional design software, automatically acquiring the three-dimensional models of the pipeline systems, extracting the names, model types and position information of all parts from the structural tree of the acquired three-dimensional models, extracting the model information required by stress analysis of each part from the three-dimensional models, and simultaneously creating numbers for each part;
the conversion and input module is used for converting the extracted model type and model information of the parts into modeling types and attribute information in corresponding stress analysis software according to the created part mapping relation database, determining the association relation of all the parts in the stress analysis software by combining the obtained position information, and finally inputting the association relation of the modeling types, the attribute information and all the model parts into the stress analysis software in a readable text.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310293574.1A CN116280077A (en) | 2023-03-23 | 2023-03-23 | Ship pipeline stress analysis model construction method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310293574.1A CN116280077A (en) | 2023-03-23 | 2023-03-23 | Ship pipeline stress analysis model construction method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116280077A true CN116280077A (en) | 2023-06-23 |
Family
ID=86802956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310293574.1A Pending CN116280077A (en) | 2023-03-23 | 2023-03-23 | Ship pipeline stress analysis model construction method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116280077A (en) |
-
2023
- 2023-03-23 CN CN202310293574.1A patent/CN116280077A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106383955B (en) | Data interconversion method for stress analysis and three-dimensional model in pipeline design | |
| KR101794282B1 (en) | The method of creating 2d piping cad data to 3d piping cad modeling data | |
| US5768149A (en) | Systems and methods for automated tube design | |
| CN111368368B (en) | Method and device for constructing ship piping component library, storage medium and terminal | |
| CN102622484B (en) | Method for automatically and designing pipeline of power plant | |
| US20070186149A1 (en) | Size based display of piping systems | |
| CN112348973B (en) | Ship pipe section assembly information calculation method, system, medium and device | |
| CN110851956B (en) | Automatic calculation, labeling and plotting method for construction engineering pipeline construction positioning information | |
| CN111311735B (en) | Ship piping weld data management method and device, readable storage medium and terminal | |
| CN109272571B (en) | System and method for converting PDS three-dimensional data into Flowmaster model | |
| CN104318026A (en) | Method for integrally automatically generating pipeline designs | |
| CN111950105A (en) | Thermal power plant pipeline three-dimensional model conversion method based on depth-first traversal | |
| CN112348873A (en) | Method, system, medium and device for marking three-dimensional size of ship pipe section model | |
| CN105468869A (en) | Topological relation analysis method of PDS (Plant Design System) model | |
| US20050285855A1 (en) | Method of rapidly building multiple three-dimensional pipes | |
| CN116280077A (en) | Ship pipeline stress analysis model construction method and system | |
| CN112487589B (en) | Data conversion method based on pipeline three-dimensional model | |
| CN115146392A (en) | Ship pipeline system modeling simulation method, computer storage medium and equipment | |
| CN115906227A (en) | Water supply schematic diagram generation method, device, equipment and storage medium | |
| CN113989429A (en) | Intelligent drawing identification processing method and system for full-automatic cutting machine | |
| CN111797465A (en) | Three-dimensional design method and design system for tube bundle assembly | |
| CN109693058B (en) | Method and device for determining welding posture of pipeline assembly and upper computer | |
| CN113987719A (en) | Intelligent assembly type construction design method and system | |
| CN113221239B (en) | Arrangement method, system, medium and electronic equipment of marine flange and gasket | |
| KR20150021866A (en) | Pipe block joint checking method and storage media storing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |