CN107103119A - A kind of tire finite element analysis automation modeling method - Google Patents
A kind of tire finite element analysis automation modeling method Download PDFInfo
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- CN107103119A CN107103119A CN201710206039.2A CN201710206039A CN107103119A CN 107103119 A CN107103119 A CN 107103119A CN 201710206039 A CN201710206039 A CN 201710206039A CN 107103119 A CN107103119 A CN 107103119A
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- tire
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- cord
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- 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
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
Abstract
The invention provides a kind of tire finite element analysis automation modeling method, S1：Parse tire material distribution map specific as follows：S11：Obtain tire material distribution map；S12：Tire section cord figure is made according to tire material distribution map；S13：Each tire section cord in tire section cord figure is named, and preserved；S14：Extract in tire material distribution map and be independently distributed closed area, be used as tire section rubber part；S15：Each tire section partial rubber is named, and preserved；S2：To each tire section rubber part mesh generation；S3：To each tire section cord mesh generation；S4：Tire section rubber part grid and section cord mesh quality are checked；S5：Tire section contact surface is set up；S6：To tire finite element analysis.The present invention can set up tire finite element analysis model automatically, its precision is higher according to the material distribution drawing of tire, shorten the R＆D cycle, reduce cost.
Description
Technical field
The present invention relates to finite element analysis field, tyre analysis field, more particularly to a kind of tire finite element analysis is automatic
Change modeling method.
Background technology
Sample tire experiment is conventional tire structure design common method, and it consumes a large amount of manpower and materials, and less efficient, tire
R＆D cycle is long.And tire finite element technique served in modern tire R ＆ D design it is extremely important, almost can to wheel
The design process of tire carries out Life cycle analysis to production process, and it substantially reduces the construction cycle of tire, has saved and set
Count cost.
Tire finite element analysis model to set up process extremely complex, progress model pre-treatment need to be spent a lot of time, and specially
Industry degree requires higher, is unfavorable in tire enterprise promoting the technology on a large scale.Thus need to invent a kind of finite element automatic
Change modeling method.
Existing tire finite element analysis automation modeling method has done very big simplification to model, and analytic function is limited,
And analysis precision is poor.Thus need badly and propose that a set of precision is higher and requires relatively low tire finite element to layman's operation
Analysis automated modeling method.
The content of the invention
For Shortcomings in the prior art, the invention provides a kind of tire finite element analysis automation modeling method,
According to the material distribution drawing of tire, tire finite element analysis model is set up automatically, and its precision is higher.
The present invention is to realize above-mentioned technical purpose by following technological means.
A kind of tire finite element analysis automation modeling method, comprises the following steps：
S1：Tire material distribution map is parsed, it is specific as follows：
S11：Obtain tire material distribution map；
S12：Tire section cord figure is made according to tire material distribution map；
S13：Each tire section cord in tire section cord figure is named, and preserved；
S14：Extract in tire material distribution map and be independently distributed closed area, be used as tire section rubber part；
S15：Each tire section partial rubber is named, and preserved；
S2：To each tire section rubber part mesh generation, the performance figure of tire section partial rubber grid is drawn；
S3：To each tire section cord mesh generation, the performance figure of tire section cord grid is drawn；
S4：Tire section rubber part grid and section cord mesh quality are checked；
S5：Tire section contact surface is set up；
S6：To tire finite element analysis.
Further, the S2 specifically includes following steps：
S21：Extract each tire section rubber part file；
S22：Set up the face domain of each tire section partial rubber；
S23：Eliminate the gap between each tire section partial rubber face domain；
S24：Set the sizing grid and trellis-type in each tire section partial rubber face domain；
S25：The grid of each tire section partial rubber is divided, the performance figure of tire section partial rubber grid is drawn.
Further, the S3 specifically includes following steps：
S31：Extract each tire section cord file；
S32：Set the sizing grid and trellis-type of each tire section cord；
S33：The grid of each tire section cord is divided, the performance figure of tire section cord grid is drawn.
Further, the S4 specifically includes following steps：
S41：Set the grid of tire section partial rubber and the mesh standard performance figure of section cord；
S42：If the performance figure of the tire section partial rubber grid drawn in S2 is less than or equal to the tire of setting
The mesh standard performance figure of section part rubber, into S43；Otherwise, S2 is redirected；
S43：If the performance figure of the tire section cord grid drawn in S3 is less than or equal to the tire section of setting
Cord mesh standard performance figure, into S5；Otherwise, S3 is redirected.
Further, the S5 specifically includes following steps：
S51：Rearrange the unit and node sequence of tire section grid；
S52：Extract node serial number corresponding with road surface and wheel rim contact position on tire section；
S53：Contact surface is set up at respective nodes.
Further, the S6 specifically includes following steps：
S61：Set the boundary condition of tyre analysis operating mode；
S62：Set the load of tyre analysis operating mode；
S63：Tire finite element analysis.
The beneficial effects of the present invention are：
1. tire finite element analysis automation modeling method of the present invention, can according to the material distribution drawing of tire,
Automatically tire finite element analysis model is set up, its precision is higher.
2. tire finite element analysis automation modeling method of the present invention, can make unfamiliar technical staff quick
It is familiar with tire finite element analysis flow, and allows the freedom portion during tire model is set up of the technical staff with certain experiences
Divide parameter.
3. tire finite element analysis automation modeling method of the present invention, can improve the efficiency of research and development of enterprise, shorten
R＆D cycle, reduce R＆D costs.
Brief description of the drawings
Fig. 1 is tire material distribution map of the present invention.
Fig. 2 is tire section cord figure of the present invention.
Fig. 3 is one autonomous closure region of tire material distribution map of the present invention.
Fig. 4 is the face domain for each several part rubber that tire section of the present invention eliminates gap.
Fig. 5 is the sizing grid in tire section each several part rubber face domain of the present invention.
Fig. 6 is tire section cord sizing grid of the present invention.
Fig. 7 is tire section contact surface of the present invention.
Fig. 8 is Fig. 7 partial enlarged drawing.
Fig. 9 is tire finite element analysis of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
A kind of tire finite element analysis automation modeling method, comprises the following steps：
S1：Tire material distribution map is parsed, it is specific as follows：
S11：Obtain tire material distribution map；
S12：Tire section cord figure is made according to tire material distribution map；
S13：Each tire section cord in tire section cord figure is named, and preserved；
S14：Extract in tire material distribution map and be independently distributed closed area, be used as tire section rubber part；
S15：Each tire section partial rubber is named, and preserved；
S2：To each tire section rubber part mesh generation, the performance figure of tire section partial rubber grid is drawn；
S3：To each tire section cord mesh generation, the performance figure of tire section cord grid is drawn；
S4：Tire section rubber part grid and section cord mesh quality are checked；
S5：Tire section contact surface is set up；
S6：To tire finite element analysis.
The S2 specifically includes following steps：
S21：Extract each tire section rubber part file；
S22：Set up the face domain of each tire section partial rubber；
S23：Eliminate the gap between each tire section partial rubber face domain；
S24：Set the sizing grid and trellis-type in each tire section partial rubber face domain；
S25：The grid of each tire section partial rubber is divided, the performance figure of tire section partial rubber grid is drawn.
The S3 specifically includes following steps：
S31：Extract each tire section cord file；
S32：Set the sizing grid and trellis-type of each tire section cord；
S33：The grid of each tire section cord is divided, the performance figure of tire section cord grid is drawn.
The S4 specifically includes following steps：
S41：Set the grid of tire section partial rubber and the mesh standard performance figure of section cord；
S42：If the performance figure of the tire section partial rubber grid drawn in S2 is less than or equal to the tire of setting
The mesh standard performance figure of section part rubber, into S43；Otherwise, S2 is redirected；
S43：If the performance figure of the tire section cord grid drawn in S3 is less than or equal to the tire section of setting
Cord mesh standard performance figure, into S5；Otherwise, S3 is redirected.
The S5 specifically includes following steps：
S51：Rearrange the unit and node sequence of tire section grid；
S52：Extract node serial number corresponding with road surface and wheel rim contact position on tire section；
S53：Contact surface is set up at respective nodes.
The S6 specifically includes following steps：
S61：Set the boundary condition of tyre analysis operating mode；
S62：Set the load of tyre analysis operating mode；
S63：Tire finite element analysis.
Embodiment：
Method clearly to elaborate the present invention, takes tire material distribution map as shown in figure 1, specifically including：
S1：Tire material distribution map is parsed, it is specific as follows：
S11：Obtain the IGES files of tire material distribution map；
S12：Tire section cord figure is made according to tire material distribution map, as shown in Figure 2；
S13：Each tire section cord in tire section cord figure is named, and preserves into IGES files；
S14：Extract and closed area (Fig. 3 is one of autonomous closure region) be independently distributed in tire material distribution map,
It is used as tire section rubber part；
S15：Each tire section partial rubber is named, and preserves into IGES files.
S2：To each tire section rubber part mesh generation, the performance figure of tire section partial rubber grid is drawn, is had
Body is as follows：
S21：Extract each tire section rubber part IGES files；
S22：Set up the face domain of each tire section partial rubber；
S23：The gap between each tire section partial rubber face domain is eliminated, as shown in Figure 4；
S24：The sizing grid and trellis-type in each tire section partial rubber face domain are set, as shown in Figure 5；
S25：The grid of each tire section partial rubber is divided, the performance figure of tire section partial rubber grid is drawn.
S3：To each tire section cord mesh generation, the performance figure of tire section cord grid is drawn, it is specific as follows：
S31：Extract each tire section cord file；
S32：The sizing grid and trellis-type of each tire section cord are set, as shown in Figure 6；
S33：The grid of each tire section cord is divided, the performance figure of tire section cord grid is drawn.
S4：Tire section rubber part grid and section cord mesh quality are checked, it is specific as follows：
S41：Set the grid of tire section partial rubber and the mesh standard performance figure of section cord；
S42：If the performance figure of the tire section partial rubber grid drawn in S2 is less than or equal to the tire of setting
The mesh standard performance figure of section part rubber, into S43；Otherwise, S23 steps in S2 are jumped to, each wheel is reset
The sizing grid and trellis-type in tire section part rubber face domain；
S43：If the performance figure of the tire section cord grid drawn in S3 is less than or equal to the tire section of setting
Cord mesh standard performance figure, into S5；Otherwise, S32 steps in S3 are redirected, the net of each tire section cord is reset
Lattice size and trellis-type.
S5：Tire section contact surface is set up, specific as follows：
S51：Rearrange the unit and node sequence of tire section grid；
S52：Extract node serial number corresponding with road surface and wheel rim contact position on tire section；
S53：Contact surface is set up at respective nodes, such as Fig. 7 and partial enlargement are as shown in Figure 8.
S6：It is specific as follows to tire finite element analysis：
S61：Set the boundary condition of tyre analysis operating mode；
S62：Set the load of tyre analysis operating mode；
S63：Tire finite element analysis, as shown in Figure 9.
For the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment to the embodiment, not
In the case of the substantive content of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (6)
1. a kind of tire finite element analysis automation modeling method, it is characterised in that comprise the following steps：
S1：Tire material distribution map is parsed, it is specific as follows：
S11：Obtain tire material distribution map；
S12：Tire section cord figure is made according to tire material distribution map；
S13：Each tire section cord in tire section cord figure is named, and preserved；
S14：Extract in tire material distribution map and be independently distributed closed area, be used as tire section rubber part；
S15：Each tire section partial rubber is named, and preserved；
S2：To each tire section rubber part mesh generation, the performance figure of tire section partial rubber grid is drawn；
S3：To each tire section cord mesh generation, the performance figure of tire section cord grid is drawn；
S4：Tire section rubber part grid and section cord mesh quality are checked；
S5：Set up the contact surface of tire section；
S6：To tire finite element analysis.
2. tire finite element analysis automation modeling method according to claim 1, it is characterised in that the S2 is specifically wrapped
Include following steps：
S21：Extract each tire section rubber part file；
S22：Set up the face domain of each tire section partial rubber；
S23：Eliminate the gap between each tire section partial rubber face domain；
S24：Set the sizing grid and trellis-type in each tire section partial rubber face domain；
S25：The grid of each tire section partial rubber is divided, the performance figure of tire section partial rubber grid is drawn.
3. tire finite element analysis automation modeling method according to claim 1, it is characterised in that the S3 is specifically wrapped
Include following steps：
S31：Extract each tire section cord file；
S32：Set the sizing grid and trellis-type of each tire section cord；
S33：The grid of each tire section cord is divided, the performance figure of tire section cord grid is drawn.
4. tire finite element analysis automation modeling method according to claim 1, it is characterised in that the S4 is specifically wrapped
Include following steps：
S41：Set the grid of tire section partial rubber and the mesh standard performance figure of section cord；
S42：If the performance figure of the tire section partial rubber grid drawn in S2 is less than or equal to the tire section of setting
The mesh standard performance figure of partial rubber, into S43；Otherwise, S2 is redirected；
S43：If the performance figure of the tire section cord grid drawn in S3 is less than or equal to the tire section cord of setting
Mesh standard performance figure, into S5；Otherwise, S3 is redirected.
5. tire finite element analysis automation modeling method according to claim 1, it is characterised in that the S5 is specifically wrapped
Include following steps：
S51：Rearrange the unit and node sequence in tire section grid；
S52：Extract node serial number corresponding with road surface and wheel rim contact position on tire section；
S53：Contact surface is set up at respective nodes.
6. tire finite element analysis automation modeling method according to claim 1, it is characterised in that the S6 is specifically wrapped
Include following steps：
S61：Set the boundary condition of tyre analysis operating mode；
S62：Set the load of tyre analysis operating mode；
S63：Tire finite element analysis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710206039.2A CN107103119B (en) | 2017-03-31 | 2017-03-31 | A kind of tire finite element analysis automation modeling method |
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| CN201710206039.2A CN107103119B (en) | 2017-03-31 | 2017-03-31 | A kind of tire finite element analysis automation modeling method |
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| CN107103119A true CN107103119A (en) | 2017-08-29 |
| CN107103119B CN107103119B (en) | 2019-12-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287975A (en) * | 2018-02-05 | 2018-07-17 | 洛阳理工学院 | A kind of Fast implementation that tire finite element two-dimensional grid divides |
| CN108304632A (en) * | 2018-01-22 | 2018-07-20 | 青岛森麒麟轮胎股份有限公司 | Creation method, equipment, storage medium and the computer of tire finite element model |
| CN108614951A (en) * | 2018-06-09 | 2018-10-02 | 风神轮胎股份有限公司 | The finite element method of tyre bead bulge position occurs for a kind of identification all-steel radial tyre |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108304632A (en) * | 2018-01-22 | 2018-07-20 | 青岛森麒麟轮胎股份有限公司 | Creation method, equipment, storage medium and the computer of tire finite element model |
| CN108287975A (en) * | 2018-02-05 | 2018-07-17 | 洛阳理工学院 | A kind of Fast implementation that tire finite element two-dimensional grid divides |
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| CN108614951A (en) * | 2018-06-09 | 2018-10-02 | 风神轮胎股份有限公司 | The finite element method of tyre bead bulge position occurs for a kind of identification all-steel radial tyre |
| CN108614951B (en) * | 2018-06-09 | 2022-05-20 | 风神轮胎股份有限公司 | Finite element analysis method for identifying bead bulge position of all-steel radial tire |
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| CN107103119B (en) | 2019-12-03 |
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