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Title of Journal: Computational Mechanics

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Abbravation: Computational Mechanics

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Springer-Verlag

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10.1007/s00431-015-2633-2

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1432-0924

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Symmetric Galerkin boundary integral fracture anal

Authors: L J Gray G H Paulino
Publish Date: 2014/03/16
Volume: 20, Issue: 1-2, Pages: 26-33
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Abstract

This paper discusses the formulation and implementation of the symmetric Galerkin boundary integral method for two dimensional linear elastic orthotropic fracture analysis For the usual case of a tractionfree crack the symmetry of the coefficient matrix can be effectively exploited to significantly reduce the computational work required to construct the linear system In addition computation time is reduced by employing efficient analytic integration formulas for the analysis of the orthotropic singular and hypersingular integrals Preliminary test calculations indicate that the method is both accurate and efficient

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