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math.NA2017★ 1 cited
Inconsistency of uhyper and umat in Abaqus for compressible hyperelastic materials
Herbert Baaser, Robert J. Martin, Patrizio Neff
In this article, we revisited Bažant's comments on the implementation of hyperelastic material models in commercial finite element software. We would like to clarify that our asser…
math.NA2017★ 1 cited
A finite element implementation of the isotropic exponentiated Hencky-logarithmic model and simulation of the eversion of elastic tubes
Boumediene Nedjar, Herbert Baaser, Robert J. Martin +1
We investigate a finite element formulation of the exponentiated Hencky-logarithmic model whose strain energy function is given by \[ W_\mathrm{eH}(\boldsymbol{F}) = \dfracμ{k}\, e…