A continuum two-fields extended finite element formulation enriched with a regularization length is presented. By extending the mechanical framework for elastic interfaces proposed in [Benvenuti et al. 2007], the geometrical discontinuity is replaced by a regularized layer with an elastodamaging behavior. Salient features of the proposed methodology are that a continuum cohesive-like stress field and a “bridging” stress field emerge, while the cohesive traction-separation work is proved to be recovered when the regularization length vanishes.

A Regularized XFEM model for transition from continous to discontinous displacement

BENVENUTI, Elena;TRALLI, Antonio Michele;
2007

Abstract

A continuum two-fields extended finite element formulation enriched with a regularization length is presented. By extending the mechanical framework for elastic interfaces proposed in [Benvenuti et al. 2007], the geometrical discontinuity is replaced by a regularized layer with an elastodamaging behavior. Salient features of the proposed methodology are that a continuum cohesive-like stress field and a “bridging” stress field emerge, while the cohesive traction-separation work is proved to be recovered when the regularization length vanishes.
2007
9788889720691
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1377509
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