Tools for multiaxial validation of behavior laws chosen for modeling hyper-elasticity of rubber-like materials

Details Tools for multiaxial validation of behavior laws chosen for modeling hyper-elasticity of rubber-like materials Tools for multiaxial validation of behavior laws chosen for modeling hyper-elasticity of rubber-like materials

2010-11-23

arxiv.org/abs/1011.5031v1

Journal of Polymer Engineering and Science 42, 2 (2002) 280-298

Physics

Classical Physics

Scientific paper

10.1002/pen.10948

We present an experimental approach to discriminate hyper-elastic models describing the mechanical behavior of rubber-like materials. An evaluation of the displacement field obtained by digital image correlation allows us to evaluate the heterogeneous strain field observed during these tests. We focus on the particular case of hyper-elastic models to simulate the behavior of some rubber-like materials. Assuming incompressibility of the material, the hyper-elastic potential is determined from tension and compression tests. A biaxial loading condition is obtained in a multiaxial testing machine and model predictions are compared with experimental results.

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