Frame-invariant Polyconvex Strain-energy Functions for Some Anisotropic Solids  

Oleh:

Steigmann, David J.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Mathematics and Mechanics of Solids vol. 8 no. 5 (Oct. 2003), page 497-506.
Topik: Finite elasticity; anisotropy; convexity
Fulltext: 497MMS85.pdf (159.07KB)

Isi artikel

We present a set of simple sufficient conditions for the polyconvexity and coercivity of strain-energy functions for transversely isotropic and orthotropic elastic solids. The formulation is based on appropriate function bases for the right stretch tensor in the polar decomposition of the deformation gradient and furnishes numerical analysts with a priori existence criteria for boundary-value problems.

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