چکیده مقاله
by coupling the finite element FE and the boundary element BE methods, their advantages can be assimilated and their deficiencies can be reduced Based on this idea a new domain decomposition method has been used here to solve the governing equations separately in FE and BE sub domains Both Dirichlet and Neumann boandary conditions are assumed across the interface between the sub domains Solution of the governing equations over each sub domain results in the new displacements and tractions By imposition of equilibrium and compatibility conditions across the interface, the Neumann and Dirichlet boundary values will be updated and the computations will go on until convrgence achieved A rigid strip footing over a linear elastic half space is considered to investigate the effect of infinite medium on the results the area in the vicinity of the footing near field is simulated by the FE method and the farther surounding area far field is modeled by the BE method the accoracy of proposed method is studied by the comparing the obtained results with results of the conventional FE method and closed form solution
کلیدواژهها
نویسندگان
A Eslami Haghighat
Ph D Candidate, Civil Engineering Department, Shiraz University, Shiraz, Iran
A Anvar
Assistant Professor, Civil Engineering Department, Shiraz University, Shiraz, Iran
A Ghahramani
professor, Civil Engineering Department, Shiraz University, Shiraz, Iran
M Jahanandish
Assistant Professor, Civil Engineering Department, Shiraz University, Shiraz, Iran
شیوه ارجاع
Eslami Haghighat, A and Anvar, A and Ghahramani, A and Jahanandish, M,1388,Necessity of Coupling Finite Element and Boundary Element Methods in Modeling Infinite Soil Mass,8th International Congress on Civil Engineering,Shiraz
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