A hyperelastic constitutive model for rubber-like materials
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In this contribution, a new form of the strain energy function is proposed to describe the hyperelastic behavior of rubber-like materials under various deformation. The proposed function represents an invariant-based model and contains two material parameters. The model was tested with the experimental data of vulcanized rubbers, collagen and fibrin. The material parameters are kept constant for a material subjected to different types of loading. Good agreement between model and experimental data was obtained for all materials.
KeywordsHyperelasticity Strain energy Constitutive relation Rubber-like materials
Author thanks the anonymous reviewers for their constructive and fruitful comments.
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Conflict of interest
The authors declare that they have no conflict of interest.