CN116910924A - Quick analysis method based on strength of car door trim card seat - Google Patents
Quick analysis method based on strength of car door trim card seat Download PDFInfo
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- 238000004458 analytical method Methods 0.000 title claims abstract description 65
- 238000004364 calculation method Methods 0.000 claims abstract description 16
- 238000004088 simulation Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 28
- 238000012805 post-processing Methods 0.000 claims description 5
- 238000012795 verification Methods 0.000 claims description 3
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention provides a rapid analysis method based on the strength of a car door trim card seat, which comprises the following steps: s1: importing a door guard plate geometric model and establishing a finite element grid model; s2: establishing analysis working conditions, inputting preset constraint conditions, and acquiring the number of loading points and loading point information according to a finite element grid model, wherein the loading point information comprises loading point ID numbers and working condition files; s3: verifying whether the first loading point is qualified in simulation through the information of the loading points, if so, deriving a calculation model, and splitting the calculation model into a working condition parent file and a model file according to an Include command; otherwise, returning to S2; s4: establishing a plurality of working condition sub-files, wherein the sum of the working condition master files and the working condition sub-files is equal to the number of the loading points; s5: and submitting the working condition master file and the working condition sub file to a CAE solver to obtain an analysis result. The invention can avoid repeated model opening and working condition changing to simplify the flow and shorten the analysis period.
Description
Technical Field
The invention relates to the technical field of Computer Aided Engineering (CAE), in particular to a rapid analysis method based on the strength of a car door trim card seat.
Background
The main function of the door trim is to cover the metal door panel, provide a graceful appearance, and meet ergonomics, comfort, functionality and convenience. Provides proper energy absorption protection during side collision and provides shielding effect on noise outside the vehicle. The door trim board can not bear various loads in the use process, so that the strength analysis is carried out on the mounting position clamping seat of the door guard board and the door (metal plate), and the capability of resisting deformation and damage of the door trim board is known, so that the actual use requirement can be met.
Disclosure of Invention
In view of the above, the present invention provides a rapid analysis method based on the strength of a vehicle door trim card holder.
In order to solve the technical problems, the invention adopts the following technical scheme: a rapid analysis method based on the strength of a car door trim card seat comprises the following steps:
s1: importing a door guard plate geometric model and establishing a finite element grid model;
s2: establishing analysis working conditions, inputting preset constraint conditions, and acquiring the number of loading points and loading point information corresponding to the number of the loading points according to a finite element grid model, wherein the loading point information comprises loading point ID numbers and working condition files corresponding to the loading point ID numbers one by one;
s3: verifying whether the first loading point is qualified in simulation through the information of the loading points, if so, deriving a calculation model, and splitting the calculation model into a working condition parent file and a model file according to an Include command; otherwise, returning to S2;
s4: establishing a plurality of working condition sub-files on the basis of a working condition master file, wherein the sum of the working condition master file and the working condition sub-files is equal to the number of loading points;
s5: and submitting the working condition master file and the working condition sub file to a CAE solver for calculation to obtain an analysis result.
In the invention, preferably, whether the first loading point is qualified in simulation is verified, and specifically, two conditions of convergence requirement and post-processing non-error result are met.
In the present invention, preferably, the loading point ID number is edited in the model file of S3 according to the number of loading points.
In the invention, preferably, a plurality of working condition sub-files are established on the basis of the working condition parent file, specifically, the working condition parent file is used for establishing a copy, and the file name of the copy is changed according to the sequence of the ID numbers of the loading points to form the working condition sub-file.
In the invention, preferably, working condition subfiles are opened in sequence in a programming interface of the UE, and if an identification key field appears, the content corresponding to the ID number of the loading point is changed in the next row of the row where the identification key field is located.
In the present invention, preferably, the identification key field is CLOAD.
In the invention, preferably, when the door guard plate geometric model analysis needs to be replaced, the model file is called through the working condition file, and then the working condition file is input into the CAE solver for calculation, so that an analysis result is obtained.
In the present invention, preferably, the operating condition file includes operating condition information, and the model file includes model information.
In the present invention, preferably, the constraint condition is set to constrain all degrees of freedom of the outer edge of the door trim by one turn, and the direction of force applied by the card seat coincides with the Z-axis of the pre-built local coordinate system.
The invention has the advantages and positive effects that:
(1) The method avoids the condition change of repeatedly opening the model for multiple times, saves analysis time, simplifies the analysis process and shortens the analysis period.
(2) The new model is obtained by conveniently changing the UE programming parameters. And the method provides thought and reference for CAE rapid analysis.
(3) In the optimization process, a new round of model analysis (without changing working conditions) can be completed by only replacing the model file (corresponding to the well-related loading points). Because in the structural analysis work, the situation that repeated verification analysis is needed is encountered, and the model file and the working condition file are used and manufactured, the analysis workload is greatly reduced, and the working efficiency is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic overall flow chart of a method for rapid analysis of a vehicle door trim card socket strength according to the present invention;
FIG. 2 is a finite element model diagram of a door trim panel based on a method of rapid analysis of door trim panel card socket strength in accordance with the present invention;
FIG. 3 is a graph of model files versus operating mode file ID for a method of rapid analysis based on door trim card socket strength according to the present invention;
fig. 4 is a simulation qualified schematic diagram of a judging loading point based on a rapid analysis method of the strength of a card seat of a car door trim panel according to the present invention:
FIG. 5 is a schematic diagram of determining load point simulation failure based on a rapid analysis method of door trim card socket strength according to the present invention:
FIG. 6 is a schematic view of the inside of a split model of a method for rapid analysis of the strength of a door trim card socket according to the present invention;
FIG. 7 is an external schematic view of a split model of a method for rapid analysis of the strength of a door trim card socket according to the present invention;
FIG. 8 is a schematic diagram of a loading point ID number based on a rapid analysis method of door trim card socket strength according to the present invention;
FIG. 9 is an overall schematic diagram of a model file and a working condition file of a rapid analysis method based on the strength of a vehicle door trim card holder according to the present invention;
FIG. 10 is a schematic diagram of a method for rapidly analyzing the strength of a vehicle door trim card holder before changing an ID number in a UE according to the present invention;
FIG. 11 is a schematic diagram of a method for rapidly analyzing the strength of a card holder of a door trim according to the present invention after ID number is changed in a UE;
FIG. 12 is a graph showing the amount of deformation of a vehicle door trim panel cartridge under normal load during loading according to a rapid analysis method of cartridge strength;
FIG. 13 is a graph showing the amount of deformation of a card under normal load during unloading based on a rapid analysis of the card strength of a door trim according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, the invention provides a rapid analysis method based on the strength of a vehicle door trim card seat, which comprises the following steps:
s1: importing a door guard plate geometric model and establishing a finite element grid model, wherein the door trim plate finite element model is specifically shown in fig. 2;
s2: establishing analysis working conditions, inputting preset constraint conditions, acquiring the number of loading points and loading point information corresponding to the number of the loading points according to a finite element grid model, wherein the loading point information comprises loading point ID numbers and working condition files corresponding to the loading point ID numbers one by one, and the model files correspond to the working condition file IDs, as shown in figure 3;
s3: whether the first loading point is qualified in simulation is verified through the information of the loading points, if so, a calculation model is exported, the calculation model is split into a working condition master file and a model file according to an Include command, a file schematic diagram of the working condition master file and the model file is shown in fig. 7, the split model is internally shown in fig. 6, the working condition file comprises working condition information including load and load steps to be loaded, and the model file comprises model information including attributes and materials;
s4: establishing a plurality of working condition sub-files on the basis of a working condition master file, wherein the sum of the working condition master file and the working condition sub-files is equal to the number of loading points;
s5: and submitting the working condition master file and the working condition sub file to a CAE solver for calculation to obtain an analysis result, and obtaining the deformation of the clamping seat under the normal load, wherein the deformation is shown in figures 12 and 13.
In this embodiment, further, it is verified whether the first loading point is qualified by simulation, specifically, both the condition of meeting the convergence requirement and the condition of not reporting the error result by post-processing, when the calculation process file sta prompts not been completed, it is indicated that the loading point does not meet the convergence requirement, as shown in fig. 5, so that model parameter information needs to be adjusted, etc. until the calculation process file sta prompts success, which indicates that the loading point meets the convergence requirement, as shown in fig. 4, post-processing operation is performed in the HyperView after meeting the convergence requirement, if the loading point is erroneous, the corresponding file is clicked to check the error cause, the attribute information of the first loading point is changed according to the error cause, and then the operations of meeting the convergence requirement and the post-processing are performed again.
In this embodiment, further, in the model file of S3, the loading point ID numbers are edited according to the number of loading points, specifically according to personal habits of operators, however, for order and convenient viewing, the order editing is usually performed by using continuous digital serial numbers, in this embodiment, for convenience in describing a clear solution, 11 loading points are taken as an example, the loading point ID numbers of the 11 loading points are 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, and 11 loading points correspond to 11 working condition files, and specific loading positions can be seen in fig. 2.
In this embodiment, further, a plurality of working condition sub-files are built on the basis of the working condition parent file, specifically, a copy is built by the working condition parent file, and the file name of the copy is changed according to the sequence of the loading point ID number to form the working condition sub-file. Specifically, on the basis of the split working condition file, the loading point ID number is edited in the model file (1001-1011 as shown in fig. 8), a working condition file copy is established (the model file and the working condition file copy the working condition template file under the same folder, the file name is pasted and changed as shown in fig. 9), for example, a User Equipment (UE) (UltraEdit) is used for opening a 1002 point programming interface, the loading point ID number is found (1001), the new ID number is changed (1002), the UE is saved, namely, the change is completed, and a plurality of working condition files are obtained by changing a plurality of loading points in a similar way as shown in fig. 10 and 11 without repeatedly changing the model for achieving the purpose of quick analysis.
In this embodiment, further, working condition subfiles are opened in the programming interface of the UE in sequence, and if the identification key field appears, the content corresponding to the loading point ID number is changed in the next row of the row where the identification key field is located.
In this embodiment, further, the identification key field is CLOAD.
In this embodiment, further, when the door guard plate geometric model analysis needs to be replaced, the model file is called through the working condition file, and then the working condition file is input into the CAE solver for calculation, so that an analysis result is obtained.
In this embodiment, further, the working condition file includes working condition information, and the model file includes model information.
In this embodiment, further, the constraint condition is set to constrain all degrees of freedom of the outer edge of the door trim by one turn, and the direction of force applied by the card seat coincides with the Z-axis of the pre-built local coordinate system.
The invention utilizes a finite element method to build a finite element model of the vehicle door trim panel (as shown in figure 2). The analytical model needs to take into account material nonlinearities. And (3) connecting and contacting the parts, and restricting the model. And after the parameters are determined, finishing the intensity analysis of the car door trim panel clamping seat, and measuring normal deformation vectors of all loading points.
For the convenience of measurement and statistical research, the method adopts the normal deformation vector generated by applying the pulling force vertical to the surface of the clamping seat to the clamping seat as the investigation. And simulating stress analysis of the mechanical testing instrument on the clamping seat, and calculating the strength of the clamping seat under the normal load. The analysis method is based on the normal CAE simulation normal flow, and can quickly change the working condition by changing the ID number of the loading point (the method is only suitable for analyzing a plurality of different loading points under the same working condition).
The working principle and working process of the invention are as follows: for the convenience of measurement and statistical research, the method adopts the normal deformation vector generated by applying the pulling force vertical to the surface of the clamping seat to the clamping seat as the investigation. And simulating stress analysis of the mechanical testing instrument on the clamping seat, and calculating the strength of the clamping seat under the normal load. The analysis method is based on the normal CAE simulation normal flow, and can quickly change the working condition by changing the ID number of the loading point (the method is only suitable for analyzing a plurality of different loading points under the same working condition). Firstly, importing a door guard plate geometric model, and establishing a door guard plate detailed finite element grid model. Then establishing analysis working conditions: the outer edge of the inner trim of the vehicle door is restrained for all degrees of freedom, the clamping seat exerts a pulling force perpendicular to the surface of the clamping seat, and the clamping seat is unloaded, as shown in fig. 2. A computable model is exported, the model is split into two models by an Include command (the exported working condition files are changed working condition template files), the model files and the working condition files (only the loading working conditions are in the working condition files and no model information) are shown in the following figure 6, figure 7 (different working conditions corresponding to different loading points are shown in figure 9. On the basis of the split working condition files, loading point ID numbers are edited in the model files (1001-1011) to establish working condition file copies (the model files and the working condition files copy the working condition template files under the same folder, paste and change the file names as shown in figure 9), for example, a 1002 point programming interface is opened by UE (UltraEdit), the loading point ID numbers are found out to be changed into new ID numbers (1002), the UE is saved, the change is completed, a plurality of loading points are replaced by such a push, a plurality of working condition files are obtained as shown in figure 9, the purpose of quick analysis is achieved without repeated changes of model changes, the CAE solver calculates, analysis results are processed, and the deformation of the cassette under normal load can be obtained.
The invention is characterized in that: the patent belongs to a CAE method, and establishes a finite element model of a vehicle door trim panel based on engineering data. And simulating stress analysis of the mechanical testing instrument on the clamping seat, and calculating the strength of the clamping seat under the normal load. In the analysis process, the normal deformation quantity of the loading point is monitored, so that the reasonable deformation quantity of the clamping seat is obtained, and a reference basis is provided for the design development and optimization of the vehicle door trim panel.
The invention can avoid repeated opening of the model to change the working condition, save analysis time, simplify analysis process and shorten analysis period; the new model is obtained by conveniently changing the programming parameters of the UE, so that ideas and references are provided for CAE rapid analysis; in the optimization process, a new round of model analysis (without changing working conditions) can be completed by only replacing the model file (corresponding to the well-related loading points). Because in the structural analysis work, the situation that repeated verification analysis is needed is encountered, and the model file and the working condition file are used and manufactured, the analysis workload is greatly reduced, and the working efficiency is improved.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by this patent.
Claims (9)
1. The rapid analysis method based on the strength of the car door trim card seat is characterized by comprising the following steps of:
s1: importing a door guard plate geometric model and establishing a finite element grid model;
s2: establishing analysis working conditions, inputting preset constraint conditions, and acquiring the number of loading points and loading point information corresponding to the number of the loading points according to a finite element grid model, wherein the loading point information comprises loading point ID numbers and working condition files corresponding to the loading point ID numbers one by one;
s3: verifying whether the first loading point is qualified in simulation through the information of the loading points, if so, deriving a calculation model, and splitting the calculation model into a working condition parent file and a model file according to an Include command; otherwise, returning to S2;
s4: establishing a plurality of working condition sub-files on the basis of a working condition master file, wherein the sum of the working condition master file and the working condition sub-files is equal to the number of loading points;
s5: and submitting the working condition master file and the working condition sub file to a CAE solver for calculation to obtain an analysis result.
2. The method for rapidly analyzing the strength of the automobile door trim card holder according to claim 1, wherein the verification of whether the first loading point is qualified through simulation is particularly performed under the condition that the convergence requirement and the post-processing non-error result are met at the same time.
3. The rapid analysis method based on the strength of the car door trim card holder according to claim 1, wherein the loading point ID number is edited in the model file of S3 according to the number of loading points.
4. The rapid analysis method based on the strength of the car door trim card seat according to claim 1, wherein a plurality of working condition subfiles are established on the basis of a working condition master file, specifically, copies are established by the working condition master file, and file names of the copies are changed according to a sequence of loading point ID numbers to form the working condition subfiles.
5. The method for rapidly analyzing the strength of the automobile door trim card holder based on the automobile door trim card holder according to claim 1, wherein working condition subfiles are opened in a programming interface of the UE in sequence, and if an identification key field appears, contents corresponding to the ID number of the loading point are changed in the next row of the row where the identification key field is located.
6. The method for rapid analysis of vehicle door trim card socket strength according to claim 5, wherein the identification key field is CLOAD.
7. The rapid analysis method based on the strength of the car door trim card seat according to claim 1, wherein when the geometric model analysis of the door trim is required to be replaced, a model file is replaced, the model file is called through a working condition file, and then the working condition file is input into a CAE solver for calculation, so that an analysis result is obtained.
8. The method for rapidly analyzing the strength of the automobile door trim card holder according to claim 1, wherein the working condition file comprises working condition information, and the model file comprises model information.
9. The rapid analysis method based on the strength of the car door trim card seat according to claim 1, wherein the constraint condition is set to restrict all degrees of freedom of the outer edge of the car door trim, and the direction of force applied by the card seat coincides with a Z-axis of a pre-built local coordinate system.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916322A (en) * | 2010-09-07 | 2010-12-15 | 上海奕代汽车技术有限公司 | Optimization design method for sagging problem of car door based on CAE (Computer Aided Engineering) structural analysis |
| CN104573174A (en) * | 2014-11-20 | 2015-04-29 | 华晨汽车集团控股有限公司 | CAE (computer aided engineering)-based car body rigidity analysis method |
| CN107045567A (en) * | 2017-01-24 | 2017-08-15 | 同济大学 | A kind of window frame structure design method based on the fine equivalent model of door sealing |
| US20170343984A1 (en) * | 2016-05-24 | 2017-11-30 | Divergent Technologies, Inc. | Systems and methods for additive manufacturing of transport structures |
| CN113221351A (en) * | 2021-05-11 | 2021-08-06 | 一汽奔腾轿车有限公司 | CAE analysis method for surface rigidity of passenger car door |
| CN113591219A (en) * | 2021-07-29 | 2021-11-02 | 重庆长安汽车股份有限公司 | Multi-working-condition CAE transient fatigue analysis loading method for whole vehicle |
| CN113919199A (en) * | 2021-10-09 | 2022-01-11 | 北京航空航天大学宁波创新研究院 | Rapid analysis and evaluation method for strength working condition of lightweight steering knuckle |
| CN114925563A (en) * | 2022-05-16 | 2022-08-19 | 武汉理工大学 | Simulation calculation method and system for limit load of key part of vehicle door opening and closing system |
| CN115544659A (en) * | 2022-10-12 | 2022-12-30 | 宁波信泰机械有限公司 | Composite material vehicle door structure optimization method based on CAE simulation technology |
| WO2023284016A1 (en) * | 2021-07-15 | 2023-01-19 | 武汉理工大学 | Method for analyzing durability of novel door lock body of light commercial vehicle |
| CN115630438A (en) * | 2022-10-26 | 2023-01-20 | 重庆长安新能源汽车科技有限公司 | Method and device for calculating rigidity of automobile opening and closing member based on CATIA secondary development and storage medium |
| CN116595817A (en) * | 2023-04-03 | 2023-08-15 | 阿维塔科技(重庆)有限公司 | Method and device for analyzing strength of car door handrail and computer-readable storage medium |
-
2023
- 2023-09-13 CN CN202311179008.4A patent/CN116910924B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916322A (en) * | 2010-09-07 | 2010-12-15 | 上海奕代汽车技术有限公司 | Optimization design method for sagging problem of car door based on CAE (Computer Aided Engineering) structural analysis |
| CN104573174A (en) * | 2014-11-20 | 2015-04-29 | 华晨汽车集团控股有限公司 | CAE (computer aided engineering)-based car body rigidity analysis method |
| US20170343984A1 (en) * | 2016-05-24 | 2017-11-30 | Divergent Technologies, Inc. | Systems and methods for additive manufacturing of transport structures |
| CN107045567A (en) * | 2017-01-24 | 2017-08-15 | 同济大学 | A kind of window frame structure design method based on the fine equivalent model of door sealing |
| CN113221351A (en) * | 2021-05-11 | 2021-08-06 | 一汽奔腾轿车有限公司 | CAE analysis method for surface rigidity of passenger car door |
| WO2023284016A1 (en) * | 2021-07-15 | 2023-01-19 | 武汉理工大学 | Method for analyzing durability of novel door lock body of light commercial vehicle |
| CN113591219A (en) * | 2021-07-29 | 2021-11-02 | 重庆长安汽车股份有限公司 | Multi-working-condition CAE transient fatigue analysis loading method for whole vehicle |
| CN113919199A (en) * | 2021-10-09 | 2022-01-11 | 北京航空航天大学宁波创新研究院 | Rapid analysis and evaluation method for strength working condition of lightweight steering knuckle |
| CN114925563A (en) * | 2022-05-16 | 2022-08-19 | 武汉理工大学 | Simulation calculation method and system for limit load of key part of vehicle door opening and closing system |
| CN115544659A (en) * | 2022-10-12 | 2022-12-30 | 宁波信泰机械有限公司 | Composite material vehicle door structure optimization method based on CAE simulation technology |
| CN115630438A (en) * | 2022-10-26 | 2023-01-20 | 重庆长安新能源汽车科技有限公司 | Method and device for calculating rigidity of automobile opening and closing member based on CATIA secondary development and storage medium |
| CN116595817A (en) * | 2023-04-03 | 2023-08-15 | 阿维塔科技(重庆)有限公司 | Method and device for analyzing strength of car door handrail and computer-readable storage medium |
Non-Patent Citations (1)
| Title |
|---|
| 雷恒等: "卡扣设计参数对连接性能的影响分析", 《机械设计与研究》, vol. 34, no. 6, pages 163 - 167 * |
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