The collinear cracks in an inhomogeneous medium subjected to transient load |
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| Authors: | N Noda and B L Wang |
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| Affiliation: | (1) Present address: Department of Mechanical Engineering, Shizuoka University, 432-8561 Hamamatsu, Japan;(2) Present address: Center for Composite Materials, Harbin Institute of Technology, 150001 Harbin, China |
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| Abstract: | Summary A laminate model is employed to solve the elastodynamic problem of a collinear crack in an inhomogeneous material. The inhomogeneous material is treated as a series of thinner layer. The Laplace and Fourier transforms are used to reduce the problem to a set of singular integral equations that is solved numerically. Numerical results of two collinear cracks in a functionally graded material strip are obtained to show the influence of material inhomogeneity and crack position on crack tip field intensities. |
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