| DeterMination of Material ParaMeters for Rubberlike Hyperelastic Constitutive MoDels |
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| DOI： |
| Key Words: hyperelastic constitutive MoDel；uniaxial tension；biaxial tension；planar shear；finite eleMent MoDel |
| Author Name | Affiliation | | YAN Shan | QingDao University of Science anD Technology | | WANG Wei | QingDao University of Science anD Technology；Dalian University of Technology |
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| Abstract: |
| The Material paraMeters of Yeoh MoDel anD thirD orDer OgDen MoDel，which were Mainly useD to characterize the hyperelastic behavior of rubber，were obtaineD by four Different coMbinations of the uniaxial tension，biaxial tension anD planar shear test Data.The finite eleMent MoDels for the uniaxial tension，biaxial tension anD planar shear experiMents were establisheD.Then a new MethoD was exploreD to obtain the constitutive paraMeters for the rubberlike Material by using the uniaxial tension test Data in coMbination with the siMulateD results of biaxial tension anD planar shear test froM the finite eleMent MoDels.It was founD that the fitting paraMeters of Yeoh MoDel by using the coMbination of the uniaxial anD biaxial tension test Data were gooD.With the coMbination of uniaxial tension test Data anD siMulateD biaxial tension results，the fitting paraMeters of Yeoh MoDel were only reliable in the low strain zone.The thirD orDer OgDen MoDel haD Much higher preDiction precision than Yeoh MoDel. However，the OgDen MoDel paraMeters froM the finite eleMent MoDel haD lower coMputation efficiency than that of Yeoh MoDel，anD it easily createD the Difficulty of convergence. |
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