CN107103119B - 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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- CN107103119B CN107103119B CN201710206039.2A CN201710206039A CN107103119B CN 107103119 B CN107103119 B CN 107103119B CN 201710206039 A CN201710206039 A CN 201710206039A CN 107103119 B CN107103119 B CN 107103119B
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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]
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Abstract
The present invention provides a kind of tire finite element analysis automation modeling method, S1: parsing tire material distribution map is specific as follows: S11: obtaining 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 is saved；S14: it extracts in tire material distribution map and is independently distributed closed area, as tire section rubber part；S15: each tire section partial rubber is named, and is saved；S2: to each tire section rubber part grid dividing；S3: to each tire section cord grid dividing；S4: to tire section rubber part grid and section cord mesh quality inspection；S5: tire section contact surface is established；S6: to tire finite element analysis.The present invention can establish tire finite element analysis model according to the material distribution drawing of tire automatically, and precision is higher, shorten the R&D cycle, reduce cost.
Description
Technical field
The present invention relates to finite element analysis field, tyre analysis field, in particular to a kind of tire finite element analysis is automatic
Change modeling method.
Background technique
Sample tire test is conventional tire structure design common method, consumes a large amount of manpower and material resources, and efficiency is lower, tire
R&D cycle is long.And tire finite element technique served in modern tire R & D design it is extremely important, almost can be to wheel
The design process of tire carries out Life cycle analysis to production process, substantially reduces the development cycle of tire, has saved and set
Count cost.
The establishment process of tire finite element analysis model is extremely complex, need to spend a lot of time and carry out model pre-treatment, and specially
The requirement of industry degree is relatively high, is unfavorable in tire enterprise promoting the technology on a large scale.It is automatic thus to need to invent a kind of finite element
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.It thus needs to propose that a set of precision is higher and requires lower tire finite element to layman's operation
Analysis automated modeling method.
Summary of the invention
In response to the deficiencies in the existing technology, the present 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 established automatically, and precision is higher.
The present invention achieves the above technical objects by the following technical means.
A kind of tire finite element analysis automation modeling method, includes the following steps:
S1: parsing tire material distribution map, specific as follows:
S11: tire material distribution map is obtained；
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 is saved；
S14: it extracts in tire material distribution map and is independently distributed closed area, as tire section rubber part；
S15: each tire section partial rubber is named, and is saved；
S2: to each tire section rubber part grid dividing, the performance figure of tire section partial rubber grid is obtained；
S3: to each tire section cord grid dividing, the performance figure of tire section cord grid is obtained；
S4: to tire section rubber part grid and section cord mesh quality inspection；
S5: tire section contact surface is established；
S6: to tire finite element analysis.
Further, the S2 specifically comprises the following steps:
S21: each tire section rubber part file is extracted；
S22: the face domain of each tire section partial rubber is established；
S23: the gap between the domain of each tire section partial rubber face is eliminated；
S24: the sizing grid and trellis-type in each tire section partial rubber face domain are set；
S25: the grid of each tire section partial rubber is divided, obtains the performance figure of tire section partial rubber grid.
Further, the S3 specifically comprises the following steps:
S31: each tire section cord file is extracted；
S32: the sizing grid and trellis-type of each tire section cord are set；
S33: the grid of each tire section cord is divided, obtains the performance figure of tire section cord grid.
Further, the S4 specifically comprises the following steps:
S41: the grid of setting 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 obtained 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 jumped；
S43: if the performance figure of the tire section cord grid obtained in S3 is less than or equal to the tire section of setting
Cord mesh standard performance figure, into S5；Otherwise, S3 is jumped.
Further, the S5 specifically comprises the following steps:
S51: the unit and node sequence of tire section grid are rearranged；
S52: node serial number corresponding with road surface and wheel rim contact position on tire section is extracted；
S53: contact surface is established at respective nodes.
Further, the S6 specifically comprises the following steps:
S61: the boundary condition of setting tyre analysis operating condition；
S62: the load of setting tyre analysis operating condition；
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 established, 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 process, and allows freedom portion during establishing tire model 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 reduces research and development cost.
Detailed description of the invention
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 section rubber that tire section of the present invention eliminates gap.
Fig. 5 is the sizing grid in tire section each section 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 the partial enlarged view of Fig. 7.
Fig. 9 is tire finite element analysis of the present invention.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
A kind of tire finite element analysis automation modeling method, includes the following steps:
S1: parsing tire material distribution map, specific as follows:
S11: tire material distribution map is obtained；
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 is saved；
S14: it extracts in tire material distribution map and is independently distributed closed area, as tire section rubber part；
S15: each tire section partial rubber is named, and is saved；
S2: to each tire section rubber part grid dividing, the performance figure of tire section partial rubber grid is obtained；
S3: to each tire section cord grid dividing, the performance figure of tire section cord grid is obtained；
S4: to tire section rubber part grid and section cord mesh quality inspection；
S5: tire section contact surface is established；
S6: to tire finite element analysis.
The S2 specifically comprises the following steps:
S21: each tire section rubber part file is extracted；
S22: the face domain of each tire section partial rubber is established；
S23: the gap between the domain of each tire section partial rubber face is eliminated；
S24: the sizing grid and trellis-type in each tire section partial rubber face domain are set；
S25: the grid of each tire section partial rubber is divided, obtains the performance figure of tire section partial rubber grid.
The S3 specifically comprises the following steps:
S31: each tire section cord file is extracted；
S32: the sizing grid and trellis-type of each tire section cord are set；
S33: the grid of each tire section cord is divided, obtains the performance figure of tire section cord grid.
The S4 specifically comprises the following steps:
S41: the grid of setting 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 obtained 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 jumped；
S43: if the performance figure of the tire section cord grid obtained in S3 is less than or equal to the tire section of setting
Cord mesh standard performance figure, into S5；Otherwise, S3 is jumped.
The S5 specifically comprises the following steps:
S51: the unit and node sequence of tire section grid are rearranged；
S52: node serial number corresponding with road surface and wheel rim contact position on tire section is extracted；
S53: contact surface is established at respective nodes.
The S6 specifically comprises the following steps:
S61: the boundary condition of setting tyre analysis operating condition；
S62: the load of setting tyre analysis operating condition；
S63: tire finite element analysis.
Specific embodiment:
Clearly to elaborate method of the invention, tire material distribution map is taken as shown in Figure 1, specifically including:
S1: parsing tire material distribution map, specific as follows:
S11: the IGES file of tire material distribution map is obtained；
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 is saved into IGES file；
S14: extracting and be independently distributed closed area (Fig. 3 is one of autonomous closure region) in tire material distribution map,
As tire section rubber part；
S15: each tire section partial rubber is named, and is saved into IGES file.
S2: to each tire section rubber part grid dividing, obtaining the performance figure of tire section partial rubber grid, tool
Body is as follows:
S21: each tire section rubber part IGES file is extracted；
S22: the face domain of each tire section partial rubber is established；
S23: the gap between the domain of each tire section partial rubber face 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, obtains the performance figure of tire section partial rubber grid.
S3: to each tire section cord grid dividing, obtaining the performance figure of tire section cord grid, specific as follows:
S31: each tire section cord file is extracted；
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, obtains the performance figure of tire section cord grid.
S4: specific as follows to tire section rubber part grid and section cord mesh quality inspection:
S41: the grid of setting 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 obtained 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 step in S2 is 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 obtained in S3 is less than or equal to the tire section of setting
Cord mesh standard performance figure, into S5；Otherwise, S32 step in S3 is jumped, the net of each tire section cord is reset
Lattice size and trellis-type.
S5: tire section contact surface is established, specific as follows:
S51: the unit and node sequence of tire section grid are rearranged；
S52: node serial number corresponding with road surface and wheel rim contact position on tire section is extracted；
S53: establishing contact surface at respective nodes, as Fig. 7 and partial enlargement are as shown in Figure 8.
S6: specific as follows to tire finite element analysis:
S61: the boundary condition of setting tyre analysis operating condition；
S62: the load of setting tyre analysis operating condition；
S63: tire finite element analysis, as shown in Figure 9.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (4)
1. a kind of tire finite element analysis automation modeling method, which comprises the steps of:
S1: parsing tire material distribution map, specific as follows:
S11: tire material distribution map is obtained；
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 is saved；
S14: it extracts in tire material distribution map and is independently distributed closed area, as tire section rubber part；
S15: each tire section partial rubber is named, and is saved；
S2: to each tire section rubber part grid dividing, the performance figure of tire section partial rubber grid is obtained；
S21: each tire section rubber part file is extracted；
S22: the face domain of each tire section partial rubber is established；
S23: the gap between the domain of each tire section partial rubber face is eliminated；
S24: the sizing grid and trellis-type in each tire section partial rubber face domain are set；
S25: the grid of each tire section partial rubber is divided, obtains the performance figure of tire section partial rubber grid；
S3: to each tire section cord grid dividing, the performance figure of tire section cord grid is obtained；
S31: each tire section cord file is extracted；
S32: the sizing grid and trellis-type of each tire section cord are set；
S33: the grid of each tire section cord is divided, obtains the performance figure of tire section cord grid；
S4: to tire section rubber part grid and section cord mesh quality inspection；
S5: the contact surface of tire section is established；
S6: to tire finite element analysis.
2. tire finite element analysis automation modeling method according to claim 1, which is characterized in that the S4 is specifically wrapped
Include following steps:
S41: the grid of setting 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 obtained 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 jumped；
S43: if the performance figure of the tire section cord grid obtained in S3 is less than or equal to the tire section cord of setting
Mesh standard performance figure, into S5；Otherwise, S3 is jumped.
3. tire finite element analysis automation modeling method according to claim 1, which is characterized in that the S5 is specifically wrapped
Include following steps:
S51: the unit and node sequence in tire section grid are rearranged；
S52: node serial number corresponding with road surface and wheel rim contact position on tire section is extracted；
S53: contact surface is established at respective nodes.
4. tire finite element analysis automation modeling method according to claim 1, which is characterized in that the S6 is specifically wrapped
Include following steps:
S61: the boundary condition of setting tyre analysis operating condition；
S62: the load of setting tyre analysis operating condition；
S63: tire finite element analysis.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108287975B (en) * | 2018-02-05 | 2022-01-21 | 洛阳理工学院 | Rapid implementation method for tire finite element two-dimensional meshing |
| 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 |
| CN114491812B (en) * | 2022-01-20 | 2024-10-29 | 吉林大学 | Finite element modeling method for aircraft tire cord reinforced rubber composite material |
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| US6301970B1 (en) * | 1998-08-06 | 2001-10-16 | The United States Of America The Secretary Of The Navy | Cumulative damage model for structural analysis of filed polymeric materials |
| CN101187955A (en) * | 2006-11-13 | 2008-05-28 | 韩国轮胎株式会社 | Tire section design method using belt ply part bending |
| CN104344967A (en) * | 2014-02-28 | 2015-02-11 | 风神轮胎股份有限公司 | Tread pattern groove pumping noise source recognition method |
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