【摘 要】
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This study presents an effective numerical model for the dynamic response of poroelastic seabed under wave action with enhanced performance. The spatial discret
【机 构】
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State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua
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This study presents an effective numerical model for the dynamic response of poroelastic seabed under wave action with enhanced performance. The spatial discretization is based on the Element-Free Galerkin (EFG) method and the time integration based on the GN11 scheme. A stability strategy that adopts a smaller number of nodes for the pore water pressure compared with those for the displacements of the soil skeleton is suggested to resolve the similar difficulty as encountered in the finite element method for a problem with mixed formulation when the pore water is incompressible and the soil skeleton impervious. The accuracy of the numerical model is verified through applying it to a typical case with critical permeability. Good agreement between computational and analytical solutions is obtained.
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