Abstract
Elimination of Pseudo Initial Stress for Proposed Invariants based Hyper elastic Strain Energy
Highlights
In the last few years, many studies have concentrated on the accurate prediction of nonlinear behavior of materials such as soft tissues and rubber like materials
Modeling of the hyper elastic behavior involves selection of an appropriate strain energy function, determination of material constants, and constitutive modeling to investigate the response of model in real loading conditions [1,2]
Due to the nonlinear mechanical behavior of soft tissues and rubber like materials, constitutive equations that calibrated with one loading condition can not necessarily evaluate the mechanical response under other loading modes [5,6,7,8].in order to predict accurately the mechanical properties of biological tissues, experimental tests in various loading conditions are preferred [911]
Summary
In the last few years, many studies have concentrated on the accurate prediction of nonlinear behavior of materials such as soft tissues and rubber like materials. Elimination of Pseudo Initial Stress for Proposed Invariants based Hyper elastic Strain Energy. In order to simulate the indentation test of porcine liver tissue, Fu and Chui [19] used the compression and tension experimental data for estimation of material parameters and showed the logarithmic-polynomial model is partly better than the five terms Mooney- Rivlin model.
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