CN112329125B - Method, system and storage medium for adding counterweight in CAE model - Google Patents
Method, system and storage medium for adding counterweight in CAE model Download PDFInfo
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Abstract
The invention provides a method, a system and a storage medium for adding a counterweight in a computer aided engineering CAE model, wherein the method comprises the following steps: acquiring a CAE model; acquiring a counterweight file information table, wherein the counterweight file information table comprises coordinates and mass of counterweight mass points; and creating mass points one by one among the CAE models according to coordinates and mass of each counterweight mass point in the counterweight file information table. Therefore, according to the method for adding the balance weight in the computer-aided engineering CAE model, the mass points are created one by one in the CAE model according to the coordinates and the mass of each balance weight mass point in the balance weight file information table, so that automatic balance weight of the CAE model mass points is realized, the working efficiency is improved, meanwhile, manual misoperation is avoided, and the accuracy of the model balance weight is improved.
Description
Technical Field
The present invention relates to the field of automotive technology, and in particular, to a method for adding a counterweight in a computer aided engineering CAE model, a system for adding a counterweight in a computer aided engineering CAE model, and a computer readable storage medium.
Background
When the CAE model of the vehicle is subjected to finite element analysis, parts and structural members are required to be connected so that the model is matched with an actual whole vehicle. Because the quality of the lap joint model will affect the analysis results, it will generally take a lot of time to build up a model of complex structure. In the related art model building process, engineers are usually required to measure the mass centroid parameter and the centroid center point X, Y, Z of each model manually and repeatedly, create the mass center point in simulation analysis software, endow the mass with the mass size, and lap the simplified mass point by connection types so as to finish the work of adding the counterweight to the model.
However, the related art has problems that a large amount of labor is required for adding the counterweight to the complicated model, the working efficiency is too low, and misoperation is easy to occur due to manual operation, so that the problem of wrong counterweight and the like is caused.
Disclosure of Invention
The present invention aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, an object of the present invention is to provide a method for adding a counterweight in a computer aided engineering CAE model, so as to implement automatic counterweight of a CAE model mass point, improve working efficiency, avoid manual misoperation, and improve accuracy of model counterweight.
A second object of the present invention is to propose a system for adding weights in a computer aided engineering CAE model.
A third object of the present invention is to propose a computer readable storage medium.
To achieve the above object, a method for adding a counterweight in a computer aided engineering CAE model according to an embodiment of a first aspect of the invention includes: acquiring a CAE model; acquiring a counterweight file information table, wherein the counterweight file information table comprises coordinates and mass of counterweight mass points; and creating mass points one by one among the CAE models according to each weight mass point coordinate and mass in the weight file information table.
According to the method for adding the balance weight in the Computer Aided Engineering (CAE) model, the CAE model is obtained, the balance weight file information table is obtained, wherein the balance weight file information table comprises the coordinates and the mass of the balance weight mass points, and further, the mass points are created one by one in the CAE model according to the coordinates and the mass of each balance weight mass point in the balance weight file information table, so that the automatic balance weight of the CAE model mass points is realized, the working efficiency is improved, meanwhile, the manual misoperation is avoided, and the accuracy of the balance weight of the model is improved.
In addition, the method for adding the counterweight in the computer aided engineering CAE model according to the embodiment of the invention can also have the following additional technical features:
according to one embodiment of the present invention, the counterweight file information table further includes an identification of the counterweight mass point, and the method further includes: the identification is marked above the created quality point.
According to an embodiment of the present invention, the weight file information table is in CSV format, excel format, TXT format, or a mixture of the three formats.
According to one embodiment of the present invention, the creating the quality points one by one in the CAE model according to the coordinates and the quality of each weight quality point in the weight file information table further includes: for each counterweight mass point, selecting a mounting point of the counterweight mass point near a mounting hole of the counterweight mass point on a vehicle body according to the mounting hole of the counterweight mass point; and aiming at each mounting point, searching by taking the mounting point as a sphere center and taking the searching tolerance corresponding to the counterweight mass point as a sphere radius, and determining the target layer number and the mounting base hole of the mounting plate at the mounting point of the counterweight mass point.
According to one embodiment of the invention, the target number of mounting plates is between a minimum number of mounting plates and a maximum number of mounting plates, wherein the maximum number of mounting plates is the maximum number of mounting plates of all mounting points, and the minimum number of mounting plates is the minimum number of mounting plates of all mounting points.
According to one embodiment of the present invention, the counterweight file information table further includes a connection manner of the counterweight mass point and the CAE model.
According to one embodiment of the invention, if the creation of the mass point fails, a weight failure prompt is issued.
To achieve the above object, a system for adding a counterweight in a computer aided engineering CAE model according to an embodiment of the second aspect of the invention includes: the first acquisition module is used for acquiring the CAE model; the second acquisition module is used for acquiring a counterweight file information table, wherein the counterweight file information table comprises coordinates and mass of counterweight mass points; and a creation module for creating mass points one by one among the CAE models according to coordinates and mass of each counterweight mass point in the counterweight file information table.
According to the system for adding the counterweight in the computer aided engineering CAE model, the CAE model is acquired through the first acquisition module, the counterweight file information table is acquired through the second acquisition module, wherein the counterweight file information table comprises coordinates and mass of counterweight mass points, and further, the mass points are created one by one in the CAE model through the creation module according to the coordinates and mass of each counterweight mass point in the counterweight file information table, so that automatic counterweight of the CAE model mass points is realized, the working efficiency is improved, meanwhile, manual misoperation is avoided, and the accuracy of model counterweight is improved.
In addition, the system for adding the counterweight in the computer aided engineering CAE model according to the embodiment of the invention can also have the following additional technical features:
according to one embodiment of the invention, the counterweight file information table further includes an identification of the counterweight mass point, and the system further includes: an identification module for marking the identification above the created quality point.
According to an embodiment of the present invention, the weight file information table is in CSV format, excel format, TXT format, or a mixture of the three formats.
According to one embodiment of the present invention, the system for adding weights in a CAE model further comprises: the selecting module is used for selecting mounting points of the counterweight mass points near the mounting holes according to the mounting holes of the counterweight mass points on the vehicle body for each counterweight mass point; and the determining module is used for searching aiming at each mounting point, taking the mounting point as a sphere center, taking the searching tolerance corresponding to the counterweight mass point as a sphere radius, and determining the target layer number and the mounting base hole of the mounting plate at the mounting point of the counterweight mass point.
According to one embodiment of the invention, the target number of mounting plates is between a minimum number of mounting plates and a maximum number of mounting plates, wherein the maximum number of mounting plates is the maximum number of mounting plates of all mounting points, and the minimum number of mounting plates is the minimum number of mounting plates of all mounting points.
According to one embodiment of the present invention, the counterweight file information table further includes a connection manner of the counterweight mass point and the CAE model.
According to one embodiment of the present invention, the system for adding weights in a CAE model further comprises: and the prompt module is used for sending out a weight balance failure prompt when the creation of the quality point fails.
To achieve the above object, a third aspect of the present invention provides a computer-readable storage medium having stored thereon a program for adding a weight in a CAE model, which when executed by a processor, implements the above-described method for adding a weight in a CAE model.
According to the computer readable storage medium, the program for adding the counterweight in the CAE model is stored, so that automatic counterweight of the CAE model mass point is realized, the working efficiency is improved, meanwhile, manual misoperation is avoided, and the accuracy of the model counterweight is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a flow chart of a method of adding weights in a computer aided engineering CAE model according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of adding weights in a computer aided engineering CAE model according to one embodiment of the invention;
FIG. 3 is a flow chart of a method of adding weights in a computer aided engineering CAE model according to one embodiment of the invention;
FIG. 4 is a flow chart of a method of adding weights in a computer aided engineering CAE model according to an embodiment of the present invention;
FIG. 5 is a block schematic diagram of a system for adding weights in a computer aided engineering CAE model according to an embodiment of the present invention;
FIG. 6 is a block schematic diagram of a system for adding weights in a computer aided engineering CAE model according to one embodiment of the invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Methods, systems, and storage media for adding weights in a computer aided engineering CAE model according to embodiments of the present invention are described below with reference to the accompanying drawings.
Fig. 1 is a flow chart of a method of adding weights in a computer aided engineering CAE model according to an embodiment of the present invention.
As shown in fig. 1, a method of adding a counterweight in a computer aided engineering CAE model, comprising:
s101, acquiring a CAE model.
It should be noted that the computer aided engineering CAE model may be imported by CAE analysis preprocessing software, for example, hyperMesh software.
S102, acquiring a counterweight file information table, wherein the counterweight file information table comprises coordinates and mass of counterweight mass points.
It should be understood that the coordinates of the counterweight mass point are the three-axis coordinates X, Y and Z of the mass point in the entire vehicle coordinate system, and the mass of the counterweight mass point matches the software mass unit.
Specifically, according to one embodiment of the present invention, the weight file information table may be in a CSV format, an Excel format, a TXT format, or a mixture of the three formats.
S103, creating mass points one by one in the CAE model according to the coordinates and the mass of each counterweight mass point in the counterweight file information table.
Starting from the first weight mass point in the weight file information table, creating mass points one by one in the CAE model according to the coordinates and the mass of the current weight mass point until the last weight mass point in the weight file information table, and creating the mass points. Taking one of the counterweight mass points as an example, explaining the creation process of the corresponding mass point, specifically extracting X, Y, Z coordinates of the counterweight mass point, and name and mass of the counterweight mass point from the file information table, wherein the process of creating the mass points one by one in the CAE model is as follows: creating a balance weight point coordinate nodes, a balance weight Mass point Mass, naming a balance weight Mass point tag_x_1, extracting a balance weight Mass point connection type, and completing automatic balance weight adding of the balance weight Mass point, wherein Mass is a Mass unit in finite element analysis.
Specifically, the created Mass quality point may be stored in the Assemblem newly generated_Mass named components, the created Rigids connection type may be stored in the Assemblem newly generated_weight_RBE2 named components, the created RBE3 connection type may be stored in the Assemblem newly generated weight_RBE3 named components, and the name tag_x_n of the created quality point tag may be stored in the newly generated tag set.
Therefore, according to the method for adding the counterweight in the computer-aided engineering CAE model, the mass points are created one by one in the CAE model according to the coordinates and the mass of the counterweight mass points in the counterweight file information table, so that automatic counterweight of the CAE model mass points is realized, the working efficiency is improved, meanwhile, manual misoperation is avoided, and the accuracy of the model counterweight is improved.
Further, according to an embodiment of the present invention, the counterweight file information table further includes an identification of a counterweight mass point, and the method for adding a counterweight in the computer aided engineering CAE model further includes, as shown in fig. 2:
s104, marking the mark on the created quality point.
It should be appreciated that marking the identity over the created mass point extracts the mass point connection type of the created mass point, thereby completing the automated addition of weights to the created mass point.
Further, according to an embodiment of the present invention, as shown in fig. 3, after creating the mass points one by one in the CAE model according to the coordinates and the mass of each weight mass point in the weight file information table, it further includes:
s201, for each counterweight mass point, selecting mounting points of the counterweight mass point near the mounting hole according to the mounting hole of the counterweight mass point counterweight on the vehicle body.
It should be appreciated that each counterweight mass point may correspond to a plurality of mounting points, the mounting points being nodes near the mounting Kong Kongzhou for designating and marking mounting holes.
S202, aiming at each mounting point, searching by taking the mounting point as a sphere center and taking the searching tolerance corresponding to the counterweight mass point as a sphere radius, and determining the target layer number and the mounting base hole of the mounting plate at the mounting point of the counterweight mass point.
It should be noted that, if the search tolerance is too small, the number of target layers and the number of mounting base holes of the mounting plate at the mounting point of the determined counterweight mass point are too small, and similarly, if the search tolerance is too large, the number of target layers and the number of mounting base holes of the mounting plate at the mounting point of the determined counterweight mass point are too large, and the foregoing number is too small or too large, which may reduce the simulation accuracy, so the search tolerance in the embodiment of the invention may be preferentially 50.
The mass point is weighted on the vehicle body by bolts passing through the mounting base holes. When the bolts are used for weighting, the number of layers of the bolts passing through the mounting plate at the current mounting point is the target number of layers.
Further, according to an embodiment of the present invention, the target number of mounting board layers is between a minimum number of mounting board layers and a maximum number of mounting board layers, wherein the maximum number of mounting board layers is a maximum number of mounting board layers of all mounting board points, and the minimum number of mounting board layers is a minimum number of mounting board layers of all mounting board points.
For example, assuming that the number of mounting plate layers of the partial mounting points corresponding to the counterweight mass point is 5, the number of mounting plate layers of the partial mounting points is 2, and the number of mounting plate layers of the partial mounting points is 3, then the minimum number of mounting plate layers is 2, and the maximum number of mounting plate layers is 5, in the present application, the target number of layers determined by searching for the tolerance is, for example, 3, and the target number of layers needs to be between the minimum number of mounting plate layers 2 and the maximum number of mounting plate layers 5.
Further, according to an embodiment of the present invention, the counterweight file information table further includes a connection manner of the counterweight mass point and the CAE model.
Specifically, the connection modes can include the following two modes: 1) The rigid unit Rigids is used for simulating a connection relation with stronger rigidity; 2) The flexible unit Rbe3 is used for simulating a connection relationship with weaker rigidity, for example, the engine may need flexible connection, connection is performed through four rubber pads, and then simulation is performed through the flexible unit Rbe 3.
Further, according to an embodiment of the present invention, if creating a mass point fails, a weight failure prompt is issued.
That is, when the creation of the mass point fails, a configuration failure prompt is issued to alert the operator to manually add weights or restart the automated weight addition procedure.
The invention is further described below with reference to the accompanying drawings and specific embodiments, in which a method for adding a counterweight in a computer aided engineering CAE model according to an embodiment of the invention is based on Tcl/Tk language and CAE analysis preprocessing software HyperMesh, and the specific steps are as follows:
s10, importing a Computer Aided Engineering (CAE) model through CAE analysis preprocessing software, and performing CAE model simplification and washer processing.
For example, CAE model simplification includes: 1) Small holes (e.g., through holes, filler cells, etc.) that have less impact on structural characteristics are simplified; 2) The small fillets with less influence on structural characteristics are simplified; 3) Simplifying the merged facets; 4) And the small edges are simplified, and then, encryption operation is carried out on grids near the installation holes of the counterweight mass points on the vehicle body through the wash process, so that a circle of grids uniformly distributed outside the round holes is generated.
And S11, writing the coordinates of the weight mass points, the mass of the weight mass points, the number of the weight mass points, the name of the weight mass points named by English, the type of the connection unit of the mass points and the model into a weight file information table.
Alternatively, the name of the weight file information table may be set to be a mixture of english characters and arabic numerals.
S12, importing a counterweight file information table and a parameterized script through CAE analysis preprocessing software.
S13, setting search tolerance, minimum mounting plate layer number and maximum mounting plate layer number.
For example, the distance from the center of the mounting point to the outer node of the aperture is taken as a search tolerance, the maximum number of mounting plate layers of all mounting points is taken as the maximum number of mounting plate layers, and the minimum number of mounting plate layers of all mounting points is taken as the minimum number of mounting plate layers.
S14, judging whether the circulation variable i is smaller than or equal to the number n of the counterweight mass points, if so, executing the addition configuration flow, and if not, exiting the execution.
Where i represents the i-th counterweight mass point, and when the cyclic variable i is equal to n, the current mass point can be considered to be the last counterweight mass point of all counterweight mass points in the current CAE model.
S15, starting a weight adding flow of the mass point, and reading a weight file information table.
S16, extracting X, Y, Z triaxial coordinates of an nth Mass point, mass of a counterweight Mass point and names of the counterweight Mass points, respectively creating/generating an nth counterweight coordinate point nodes, an nth counterweight Mass point Mass, an nth counterweight Mass point naming tag_x_1, extracting an nth counterweight Mass point connection type, and completing automatic counterweight adding of the nth counterweight Mass point.
Mass is the Mass unit in finite element analysis.
Alternatively, the above steps may be scripted using Tcl/Tk language to enable automated weight addition.
In summary, according to the method for adding the counterweight in the computer-aided engineering CAE model, the CAE model is obtained, and the counterweight file information table is obtained, wherein the counterweight file information table comprises coordinates and mass of counterweight mass points, and further, the mass points are created one by one in the CAE model according to each counterweight mass point coordinate and mass in the counterweight file information table, so that automatic counterweight of the CAE model mass points is realized, the working efficiency is improved, meanwhile, manual misoperation is avoided, and the accuracy of model counterweight is improved.
Fig. 5 is a block schematic diagram of a system for adding weights in a computer aided engineering CAE model according to an embodiment of the invention.
As shown in fig. 5, a system 100 for adding weights in a computer aided engineering CAE model includes: a first acquisition module 10, a second acquisition module 20 and a creation module 30.
The first acquiring module 10 is configured to acquire a CAE model; the second obtaining module 20 is configured to obtain a counterweight file information table, where the counterweight file information table includes counterweight mass point coordinates and mass; and a creation module 30 for creating mass points one by one among the CAE models according to each of the counterweight mass point coordinates and mass in the counterweight file information table.
Further, according to an embodiment of the present invention, the counterweight file information table further includes an identification of a counterweight mass point, and the system for adding counterweight 100 in the computer aided engineering CAE model, as shown in fig. 6, further includes: the identification module 40.
Wherein the identification module 40 is used to mark the identification above the created quality point.
Further, according to an embodiment of the present invention, the weight file information table is in CSV format, excel format, TXT format, or a mixture of the three formats.
Further, according to one embodiment of the present invention, the system 100 for adding weights in a computer aided engineering CAE model includes: a selection module 50 and a determination module 60.
The selecting module 50 is configured to select, for each counterweight mass point, a mounting point of the counterweight mass point near a mounting hole of the counterweight mass point on the vehicle body according to the mounting hole of the counterweight mass point; the determining module 60 is configured to search, for each mounting point, with the mounting point as a center of sphere and a search tolerance corresponding to the counterweight mass point as a sphere radius, to determine a target layer number and a mounting base hole of the mounting plate at the mounting point of the counterweight mass point.
Further, according to an embodiment of the present invention, the target number of mounting board layers is between a minimum number of mounting board layers and a maximum number of mounting board layers, wherein the maximum number of mounting board layers is a maximum number of mounting board layers of all mounting board points, and the minimum number of mounting board layers is a minimum number of mounting board layers of all mounting board points.
Further, according to an embodiment of the present invention, the counterweight file information table further includes a connection manner of the counterweight mass point and the CAE model.
Further, according to one embodiment of the invention, as shown in FIG. 6, a system 100 for adding weights in a computer aided engineering CAE model: the prompt module 70.
Wherein, the prompt module 70 is configured to issue a weight failure prompt when the creation of the quality point fails.
It should be noted that, the system for adding a counterweight in a computer aided engineering CAE model according to the embodiment of the present invention corresponds to the specific implementation manner of the method for adding a counterweight in a computer aided engineering CAE model according to the embodiment of the present invention, and is not described herein.
In summary, according to the system for adding the counterweight in the computer-aided engineering CAE model provided by the embodiment of the invention, the CAE model is acquired through the first acquisition module, and the counterweight file information table is acquired through the second acquisition module, wherein the counterweight file information table comprises counterweight mass point coordinates and counterweight mass point masses, and further, the creation module creates mass points in the CAE model according to the counterweight mass point coordinates and the counterweight mass point masses in the counterweight file information table, so that automatic counterweight of the CAE model mass points is realized, the working efficiency is improved, meanwhile, manual misoperation is avoided, and the accuracy of model counterweight is improved.
Based on the same inventive concept, the embodiment of the invention also provides a computer readable storage medium corresponding to the method for adding the counterweight in the computer aided engineering CAE model.
Specifically, according to the computer readable storage medium provided by the embodiment of the invention, a counterweight program is stored in the computer aided engineering CAE model, and when the program is executed by a processor, a specific embodiment mode corresponding to the method for adding counterweight in the computer aided engineering CAE model one by one can be realized.
According to the computer readable storage medium, a counterweight program stored in the computer aided engineering CAE model is adopted, so that automatic counterweight of the CAE model quality point is realized, the working efficiency is improved, meanwhile, manual misoperation is avoided, and the accuracy of model counterweight is improved.
Since the computer readable storage medium described in the embodiments of the present invention is a computer readable storage medium used for implementing the method for adding a counterweight in a computer aided engineering CAE model according to the embodiments of the present invention, based on the method described in the embodiments of the present invention, a person skilled in the art can understand the specific structure and the modification of the computer readable storage medium, and therefore, the detailed description is omitted herein. All computer readable storage media adopted by the method of the embodiment of the invention belong to the scope of the invention.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and additional implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order from that shown or discussed, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any system that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, or apparatus. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic system) with one or more wires, a portable computer diskette (magnetic system), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber system, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. As with the other embodiments, if implemented in hardware, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like. While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the system or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (11)
1. A method of adding weights in a computer aided engineering CAE model, comprising:
acquiring a CAE model;
acquiring a counterweight file information table, wherein the counterweight file information table comprises coordinates and mass of counterweight mass points; and
creating mass points one by one in the CAE model according to the coordinates and the mass of each counterweight mass point in the counterweight file information table;
the method further comprises the following steps after creating the quality points one by one in the CAE model according to the coordinates and the quality of each counterweight quality point in the counterweight file information table:
for each configuration quality point, selecting a mounting point of the configuration quality point nearby a mounting hole of the counterweight on a vehicle body according to the mounting hole of the counterweight quality point;
aiming at each mounting point, searching by taking the mounting point as a sphere center and taking the searching tolerance corresponding to the counterweight mass point as a sphere radius, and determining the target layer number and the mounting base hole of the mounting plate at the mounting point of the counterweight mass point;
the target layer number is between the minimum mounting plate layer number and the maximum mounting plate layer number, wherein the maximum mounting plate layer number is the largest layer number in the mounting plate layer numbers of all mounting points, and the minimum mounting plate layer number is the smallest layer number in the mounting plate layer numbers of all mounting points.
2. The method of adding a counterweight within a computer aided engineering CAE model of claim 1, wherein the counterweight file information table further includes an identification of the counterweight mass point, the method further comprising:
the identification is marked above the created quality point.
3. The method of adding weights in a computer aided engineering CAE model of claim 1, wherein the weight file information table is in CSV format, excel format, TXT format.
4. A method according to any one of claims 1-3, wherein the counterweight file information table further comprises a manner of connection of the counterweight mass points to the CAE model.
5. A method of adding weights in a computer aided engineering CAE model according to any of claims 1-3, characterized in that if a point of mass is created to fail, a weight failure prompt is issued.
6. A system for adding weights to a computer aided engineering CAE model, comprising:
the first acquisition module is used for acquiring the CAE model;
the second acquisition module is used for acquiring a counterweight file information table, wherein the counterweight file information table comprises coordinates and mass of counterweight mass points; and
the creation module is used for creating mass points one by one in the CAE model according to the coordinates and the mass of each counterweight mass point in the counterweight file information table;
the selecting module is used for selecting mounting points of the counterweight mass points near the mounting holes according to the mounting holes of the counterweight mass points on the vehicle body for each counterweight mass point;
the determining module is used for searching aiming at each mounting point, taking the mounting point as a sphere center and taking the searching tolerance corresponding to the counterweight mass point as a sphere radius, and determining the target layer number and the mounting base hole of the mounting plate of the counterweight mass point at the mounting point;
the target layer number is between the minimum mounting plate layer number and the maximum mounting plate layer number, wherein the maximum mounting plate layer number is the largest layer number in the mounting plate layer numbers of all mounting points, and the minimum mounting plate layer number is the smallest layer number in the mounting plate layer numbers of all mounting points.
7. The system for adding weights within a computer aided engineering CAE model of claim 6, wherein said weight file information table further comprises an identification of said weight mass point, said system further comprising: an identification module for marking the identification above the created quality point.
8. The system for adding weights in a computer aided engineering CAE model of claim 6, wherein the weight file information table is in CSV format, excel format, TXT format.
9. The system of any of claims 6-8, wherein the counterweight file information table further includes a manner of connection of the counterweight mass points to the CAE model.
10. The system for adding weights within a computer aided engineering CAE model of claim 6, further comprising: and the prompt module is used for sending out a weight balance failure prompt when the creation of the quality point fails.
11. A computer-readable storage medium having stored thereon a program for adding a weight in a CAE model, which when executed by a processor, implements the method of adding a weight in a CAE model of any of claims 1-5.
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