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Offshore Structural Dynamic Analysis Considering Soil-Structure Interaction By A Coupled Bem And Meshfree Method, Min-Chou Tsai, Hsien Hua Lee, Tinh Quoc Bui, Chuanzeng Zhang
Offshore Structural Dynamic Analysis Considering Soil-Structure Interaction By A Coupled Bem And Meshfree Method, Min-Chou Tsai, Hsien Hua Lee, Tinh Quoc Bui, Chuanzeng Zhang
Journal of Marine Science and Technology
An investigation of dynamic offshore structure considering soil-structure interaction by a coupled approach based on boundary element and meshfree methods is presented. The moving Kriging interpolation is used for generating the shape functions because of possessing the Kronecker delta property, which makes easier in imposing the essential boundary conditions. The governing elastodynamic equations are transformed into a standard weak formulation. It is then discretized into a meshfree system of time-dependent equations, which are solved by the standard implicit Newmark time integration scheme. Numerical examples illustrating the applicability and effectiveness of the proposed method are presented and discussed in details. A …