A discontinuous Galerkin method for cohesive zone modelling

A discontinuous Galerkin method for cohesive zone modelling

We propose a discontinuous finite element method for small strain elasticity allowing for cohesive zone modeling. The method yields a seamless transition between the discontinuous Galerkin method and classical cohesive zone modeling. Some relevant numerical examples are presented. •A new discontinuo...

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Veröffentlicht in:Finite elements in analysis and design 2015, Vol.102-103, p.1-6
Hauptverfasser: Hansbo, Peter, Salomonsson, Kent
Format: Artikel
Sprache:eng
Schlagworte:
Cohesion
Cohesive zone model
Cohesive zone modelling
Design engineering
Discontinuous finite element method
Discontinuous Galerkin methods
Finite element method
Galerkin methods
Mathematical analysis
Mathematical models
Seamless transition
Small strains
Strain
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Zusammenfassung:We propose a discontinuous finite element method for small strain elasticity allowing for cohesive zone modeling. The method yields a seamless transition between the discontinuous Galerkin method and classical cohesive zone modeling. Some relevant numerical examples are presented. •A new discontinuous FEM for cohesive zones is proposed.•Allows for seamless transition from pre-failure to post-failure behaviour.•Application to realistic nonlinear models of cohesive failure.
ISSN:0168-874X
1872-6925
1872-6925
DOI:10.1016/j.finel.2015.04.008