A computational method for quasi-static fracture |
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Authors: | M. R. Tabbara C. M. Stone |
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Affiliation: | (1) Sandia National Laboratories, Mail Stop 0437, P.O. Box 5800 Albuquerque, NM 87185–0437, |
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Abstract: | A direct method for solving quasi-static, mixed-mode fracture problems is presented. The element-free Galerkin method is used in order to allow for crack growth without remeshing. An expression for the normalized, critical traction is derived in terms of the fracture resistance (R-curve) and a crack-dependent function. Sample problems demonstrate the capability of this method to accurately compute the post-peak equilibrium paths for structures with growing cracks. |
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