首页|Mixed-mode Stress Intensity Factors by Mesh Free Galerkin Method
Mixed-mode Stress Intensity Factors by Mesh Free Galerkin Method
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An element-free Galerkin method is developed using radial basis interpolation functions to evaluate static and dynamic mixed-mode stress intensity factors. For dynamic problems, the Laplace transform technique is used to transform the time domain problem to frequency domain. The so-called enriched radial basis functions are introduced to accurately capture the singularity of stress at crack tip. The accuracy and convergence of mesh free Galerkin method with enriched radial basis functions for the two-dimensional static and dynamic fracture mechanics are demonstrated through several benchmark examples. Comparisons have been made with benchmarks and solutions obtained by the boundary element method.
mesh free galerkin methodlaplace transformstress intensity factorenriched radial basis function
P.H. Wen、M.H. Aliabadi
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School of Engineering and Material Sciences, Queen Mary, University of London, UK
Department of Aeronautics, Imperial College, London, UK
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