Digital Image Correlation used to Analyze the Multiaxial Behavior of Rubber-like Materials

Details Digital Image Correlation used to Analyze the Multiaxial Behavior of Rubber-like Materials Digital Image Correlation used to Analyze the Multiaxial Behavior of Rubber-like Materials

2005-11-17

arxiv.org/abs/physics/0511148v1

European Journal of Mechanics A/Solids 20 (2001) 169-187

Physics

Classical Physics

Scientific paper

We present an experimental approach to discriminate models describing the mechanical behavior of polymeric materials. A biaxial loading condition is obtained in a multiaxial testing machine. 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 a rubber-like material. Different expressions of hyper-elastic potential are used to model experiments under uniaxial and biaxial loading conditions.

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