INVESTIGADORES
OTEGUI Luis Jose
artículos
Título:
Energy Domain Integral applied to solve center and double-edge crack problems in three dimensions
Autor/es:
A.P. CISILINO; M. ALIABADI; J,L. OTEGUI
Revista:
THEORETICAL AND APPLIED FRACTURE MECHANICS
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 1998 vol. 29 p. 181 - 194
ISSN:
0167-8442
Resumen:
A three-dimensional Boundary Element Method (BEM) implementation of the energydomainintegral for the numerical computation of the crackenergy release rate is presented in this paper. The domain expression of the energy release rate is naturally compatible with the BEM, since stresses, strains and derivatives of displacements at internal points can be evaluated using the appropriate boundary integral equations. The pointwise crackenergy release rate is evaluated along the three-dimensional crack front over a cylindrical domains that surround a segment of the crack front. The accuracy of the implementation is demonstrated by solving several problems, which include geometries containing straight as well as curved crack fronts.
