Journal
COMPTES RENDUS MECANIQUE
Volume 338, Issue 1, Pages 3-11Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crme.2009.12.007
Keywords
Solids and structures; Finite strain; Non-Gaussian elasticity; Polyconvexity
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Funding
- Agence nationale de la recherche (France)
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In this Note, we propose a new hyperelastic model for rubber elastic solids applicable over the entire range of deformations. The underlying stored-energy function is a linear combination of the I-1-based strain invariants phi(I-1; alpha) = (I-1(alpha) - 3(alpha))/(alpha 3(alpha-1)), where alpha is a real number. The predictive capabilities of the model are illustrated via comparisons with experimental data available from the literature for a variety of rubbery solids. in addition, the key theoretical and practical strengths of the proposed stored-energy function are discussed. (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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