Non-polyconvexity of the stored energy function of a Saint Venant- Kirchhoff material. (English) Zbl 0608.73023

A direct proof of the non-polyconvexity of the stored energy function of a Saint Venant-Kirchhoff material is given by means of a simple counter- example.


74B20 Nonlinear elasticity
74S30 Other numerical methods in solid mechanics (MSC2010)
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