Polyconvexity and stability of equilibria in nonlinear elasticity

Kewei Zhang

doi:10.1093/qjmam/43.2.215

Polyconvexity and stability of equilibria in nonlinear elasticity

Kewei Zhang

School of Mathematical & Computer Sciences

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

This note establishes a stability result for C₁ weak solutions to the equilibrium equations of nonlinear elasticity under the constitutive assumption of strict polyconvexity. That is, for a large class of polyconvex stored-energy functions all C₁ weak equilibria are strong local minimizers with respect to variations of sufficiently small support. © 1990 Oxford University Press.

Original language	English
Pages (from-to)	215-221
Number of pages	7
Journal	Quarterly Journal of Mechanics and Applied Mathematics
Volume	43
Issue number	2
DOIs	https://doi.org/10.1093/qjmam/43.2.215
Publication status	Published - May 1990

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abstract = "This note establishes a stability result for C1 weak solutions to the equilibrium equations of nonlinear elasticity under the constitutive assumption of strict polyconvexity. That is, for a large class of polyconvex stored-energy functions all C1 weak equilibria are strong local minimizers with respect to variations of sufficiently small support. {\textcopyright} 1990 Oxford University Press.",

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AB - This note establishes a stability result for C1 weak solutions to the equilibrium equations of nonlinear elasticity under the constitutive assumption of strict polyconvexity. That is, for a large class of polyconvex stored-energy functions all C1 weak equilibria are strong local minimizers with respect to variations of sufficiently small support. © 1990 Oxford University Press.

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DO - 10.1093/qjmam/43.2.215

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JO - Quarterly Journal of Mechanics and Applied Mathematics

JF - Quarterly Journal of Mechanics and Applied Mathematics

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Polyconvexity and stability of equilibria in nonlinear elasticity

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