Comparative Study of Variation of Mooney-Rivlin Hyperelastic Material Models under Uniaxial Tensile Loading

Mechanical Design Engineering

A Hyperelastic material is type of the ideally elastic material for which elasticity shows non-linear behaviour, because of that the stress strain relationship for them expressed in terms of strain energy density. Hyperelastic models are used to model the mechanical behaviour of rubber-like materials ranging from elastomers, such as natural rubber and silicon, to biologic materials, such as muscles and skin tissue. The presented work is carried out to study the effect of the different Mooney-Rivlin hyperelastic models used in commercial finite element software. All the models studied have under gone same loading and boundary conditions and finally compared with testing. The final conclusion based on their capturing hyperelasticity of material is stated.

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