Submitted to the \IUTAM Symposium on Innovative Computational Methods for Fracture and Damage" Symmetric Galerkin Boundary Integral Fracture Analysis for Plane Orthotropic Elasticity
نویسندگان
چکیده
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 traction-free crack, the symmetry of the coe cient matrix can be e ectively exploited to signi cantly reduce the computational work required to construct the linear system. In addition, computation time is reduced by employing e cient analytic integration formulas for the analysis of the orthotropic singular and hypersingular integrals. Test calculations demonstrate that the method is both accurate and e cient. Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6367, U.S.A. Department of Civil and Environmental Engineering, University of California, Davis, CA 95616-5294, U.S.A.
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