The method of analysis of crack problem in three-dimensional non-local elasticity |
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| Authors: | Zhao Minghao Cheng Changjun Liu Yuanjie Liu Guoning Zhang Shishan |
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| Institution: | (1) Zhengzhou Research Institute of Mechanical Engineering, 450052 Zhengzhou, P R China;(2) Department of Mechanics, Shanghai University, Shanghai Institute of Applied Mathematics and Mechanics, 200072 Shanghai, P R China |
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| Abstract: | In this paper, the displacement
discontinu ity fundamental solution (DDFS) corresponding to the unit concentrated displacem
ent discontinuity for three dimensional (3D) non_local elasticity under symmetri cal condition is
obtained. Based on the displacement discontinuity boundary inte gralequation (DDBIE) and
boundary_element method (DDBEM) of local (classical) e lasticity, a method of analysis of
crack in 3D non_local elasticity with wide ap plication is proposed with the DDFS. Through the
method, several import ant problems of fracture mechanics are analysed. |
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| Keywords: | non_local elasticity fracture mecha nics boundaryintegral equation method |
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