Finite Element Model for Hyperelastic Axisymmetric Shells


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Abstract


A finite element formulation is presented for the nonlinear analysis of axisymmetric thin shells in presence of two types of nonlinearities: geometric (large displacements and rotations) and material. As example of nonlinear material behavior, incompressible hyperelastic model in terms of principal stretches or invariants is considered. The finite element formulation is based on the cylindrical description. The element is validated by comparing the present results with the numerical and experimental solutions available in the literature.
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Keywords


Axisymmetric Shells; Finite Element Method; Hyperelstic Material; Nonlinear Behavior

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References


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