Abstract
AbstractThis paper is motivated by dynamic simulations of fiber‐reinforced materials in light‐weight structures, and has two goals. First of all, the introduction of energy‐momentum schemes for nonlinear anisotropic materials, based on GALERKIN approximations in space and time, assumed strain approximations in time and superimposed algorithmic stress fields (compare [1]). Second, to show a variationally consistent design of energy‐momentum schemes using a differential variational principle. We develop a discrete variational principle leading to energy‐momentum schemes as discrete EULER‐LAGRANGE equations. (© 2016 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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