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A BEM formulation for damage by the Dual Reciprocity Approach

Authors: MALLARDO, Vincenzo; M. H. ALIABADI;

A BEM formulation for damage by the Dual Reciprocity Approach

Abstract

The Dual Reciprocity Method was introduced to avoid the time consuming evaluation of the domain integrals involved for elastostatics with body forces and for elastodynamic problems. The procedure was then extended to diffusion problems and plasticity. The method is essentially a generalised way of constructing particular solutions that can give rise to integral formulations without involving domain integrals. In the present paper, the Dual Reciprocity approach is used to solve the boundary integral equations involved in damage mechanics. The paper is divided mainly into two parts. The first part introduces the damage model examined. An analytical solution is obtained in order to check the numerical procedure. The second part presents the application of the Dual Reciprocity Boundary Element Method (DRBEM) to the damage model previously described. The expression of the particular displacement, strain and stress are obtained by the Galerkin vector approach and by introducing a suitable global shape function. Finally, some numerical results are presented in order to assess the efficiency of the method.

Country
Italy
Related Organizations
Keywords

Damage; DRBEM

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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