Some materials such as elastomers, polymers, rubber and biological matter (arteries, muscles, skin, etc.) may be subject to large deformations without there being any internal energy dissipation (which is typical en elastic process). These materials are classified as being hyperelastic and purely hyperelastic materials have no memory of motion history, i.e. they are only dependent on the current values of the state variables.
KeywordsStrain Energy Density Strain Energy Function Cauchy Stress Tensor Incompressible Material Hyperelastic Material
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