| Application of rebar model in finite element analysis of tire |
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| DOI： |
| Key Words: tire；nonlinear finite element analysis；rubber/cord composite；rebar model |
| Author Name | Affiliation | | YIN Wei-qi | Tsinghua University | | YAO Zhen-han | Tsinghua University | | XUE Xiao-xiang | Tsinghua University | | LI Peng | Beijing Research and Design Institute of Rubber Industry | | HONG Zong-yue | Beijing Research and Design Institute of Rubber Industry | | QUE Yuan-yuan | Beijing Research and Design Institute of Rubber Industry |
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| Abstract: |
| A 3D nonlinear finite element model of radial tire has been built by using MSC.Marc software.Using the rebar model provided by this software to simulate complex multilayer rubber/cord composites and directly define the cord directions varing with their positions in pretreatment，the geometric and material’s nonlinearities of rubber/cord composites can be really simulated，the built model can be resonably simplified and at the same time the calculation efficiency and precision can be improved.In this model，the nonlinearity and incompressibility of rubber material，the geometric nonlinearity of large deformations in tire，and the nonlinear boundary conditions in contact areas between tire and rim or ground are taken into account.The deformation and internal stress distribution of radial tire under inflation and static load，as well as the pressure distribution in contact area are obtained by 3D nonlinear finite element analysis. |
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