Constitutive inequalities in general static and dynamic theory of elastic shells undergoing finite deformation are discussed. Constitutive inequalities are well known in continuum mechanics. They express physical or mathematical restrictions for constitutive equations of 3D elastic materials. In this paper we discuss the analogs of the strong ellipticity, Hadamard and Coleman-Noll (GCN-condition) inequalities for nonlinear elastic shells. It is shown that the GCN-condition implies the strong elipticity for shell theory wherea s the strong ellipticity is equivalent to the existence conditions of acceleration waves in shell. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.
On constitutive inequalities in nonlinear theory of elastic shells
Eremeyev V. A.;
2007-01-01
Abstract
Constitutive inequalities in general static and dynamic theory of elastic shells undergoing finite deformation are discussed. Constitutive inequalities are well known in continuum mechanics. They express physical or mathematical restrictions for constitutive equations of 3D elastic materials. In this paper we discuss the analogs of the strong ellipticity, Hadamard and Coleman-Noll (GCN-condition) inequalities for nonlinear elastic shells. It is shown that the GCN-condition implies the strong elipticity for shell theory wherea s the strong ellipticity is equivalent to the existence conditions of acceleration waves in shell. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.
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