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Article Dans Une Revue International Journal for Numerical Methods in Engineering Année : 1988

Boundary element analysis of an integral equation for three-dmensional crack problems

Résumé

In another paper, the authors proposed an integral equation for arbitrary shaped three-dimensional cracks. In the present paper, a discretization of this equation using a tensor formalism is formulated. This approach has the advantage of providing the displacement discontinuity vector in the local basis which varies as a function of the point of the crack surface. This also facilitates the computation of the stress intensity factors along the crack edge. Numerical examples reported for a circular crack and a semi-elliptical surface crack in a cylindrical bar show that one can obtain good results, using few Gaussian points and no singular elements.
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hal-01005293 , version 1 (28-10-2016)

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Anh Le Van, Bernard Peseux. Boundary element analysis of an integral equation for three-dmensional crack problems. International Journal for Numerical Methods in Engineering, 1988, 26 (11), pp.2383 - 2402. ⟨10.1002/nme.1620261104⟩. ⟨hal-01005293⟩
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