Abstract
Applying the theorem proved by the authors in Ndanou et al. (J. Elast. 115:1–15, 2014), we established the hyperbolicity of non-stationary equations of hyperelastic isotropic solids for a one-parameter family of equations of state containing, in particular, generalized neo-Hookean solids. The hyperbolicity is equivalent to the rank-one convexity of the corresponding stored energy (Dafermos, Hyperbolic Conservation Laws in Continuum Mechanics, Springer, Berlin, 2000; Silhavý, The Mechanics and Thermodynamics of Continuous Media, Springer, Berlin, 1996). The influence of the parameter on the solution properties is shown in the case of a strong shear test.
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