![]() ![]() Therefore, a Domain Decomposition Sequential Dirichlet-Neumann Iterative Coupling Method is developed in this thesis to couple both programs. In contrast, at the level of discretized equations, the coupling method requires building a complicated unified system of equations. This method allows the FDM (Flac3D program) and the Boundary Element Method (BEM) program to work independently and interactively. The Domain Decomposition Method (DDM) partitions the task of solving the PDE into separate computations over the coupled sub-domains. Coupling the bounded domain modelled by Flac3D, a well-known program that implements an explicit finite difference method, with the boundary element method, which satisfies exactly the governing Partial Differential Equations (PDE) in the surrounding infinite or semi-infinite medium, combines the capabilities and the advantages of both methods. The best approach to solve these problems numerically is by coupling a finite element or a finite difference with boundary element numerical methods. The engineering problems in Geomechanics and Geotechnical fields are commonly treated through the infinite or semi-infinite media. ![]()
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