A localization capturing FE-interface based on regularized strong discontinuities at large inelastic strains

Steinmann, P. and Betsch, P. (2000) A localization capturing FE-interface based on regularized strong discontinuities at large inelastic strains. International Journal of Solids and Structures, 37(30), pp. 4061-4082. (doi: 10.1016/S0020-7683(99)00141-9)

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Abstract

The objective of this work is the development of a finite element interface formulation tailored to capture localization within geometrically nonlinear solid mechanics. In this context, strong discontinuities are considered as the final failure mechanism within localization problems. The failure kinematics are governed by a jump in the nonlinear deformation map across a discontinuity surface. In the finite element discretization the interface element is endowed with these kinematics. As a consequence, the interface stiffness is dominated by the weighted spatial localization tensor. Based on these developments a localization capturing procedure is advocated and is computationally highlighted.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Steinmann, Professor Paul
Authors: Steinmann, P., and Betsch, P.
College/School:College of Science and Engineering > School of Engineering > Infrastructure and Environment
Journal Name:International Journal of Solids and Structures
Publisher:Elsevier
ISSN:0020-7683
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