| Data Processing Method of Rubber Testing Based on Incompressible Large Deformation Analysis |
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| DOI： |
| Key Words: rubber；incompressible；large deformation；constitutive relation；finite element analysis |
| Author Name | Affiliation | | WU Kaisong | Southwest Petroleum University | | XU Daping | Southwest Petroleum University | | YAN Yongfa | Tarim Oilfield Company | | LIN Faquan | Tarim Oilfield Company | | HU Fangting | Tarim Oilfield Company | | KANG Hao | Southwest Petroleum University |
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| Abstract: |
| In order to improve the accuracy of rubber constitutive relation，a new method based on incompressible large deformation analysis was presented for the data processing of rubber testing.Based on the uniaxial compression test data of rubber materials，the data were processed by GB/T 7757 method and the new method to get two rubber material constitutive relations，and the testing process was simulated by importing the two constitutive relations into ABAQUS finite element analysis software，respectively.The results showed that，compared to the test data，the error of the maximum axial deformation of test specimen calculated by the new method was only 20.4%，and lower than that by GB/T 7757 method，which was 34.7%.The accuracy of rubber constitutive relation could be significantly improved by using the incompressible large deformation method. |
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