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Title: Wave-induced seabed response analysis by radial point interpolation meshless method
Authors: Wang, J.G. 
Zhang, B.
Nogami, T. 
Keywords: Compactly supported basis
Consolidation process
Meshless method
Periodic conditions
Pore water pressure
Radial basis functions
Wave loads
Issue Date: Jan-2004
Citation: Wang, J.G., Zhang, B., Nogami, T. (2004-01). Wave-induced seabed response analysis by radial point interpolation meshless method. Ocean Engineering 31 (1) : 21-42. ScholarBank@NUS Repository.
Abstract: Wave-induced transient response of seabeds is numerically analyzed through a radial point interpolation meshless method (radial PIM). The Biot's consolidation theory is employed and incorporated with virtual boundary conditions to describe this wave-induced transient response of the seabed. Displacement and pore water pressure are spatially discretized by the radial PIM with the same shape function. Compactly supported basis functions are proposed to obtain a banded system equation. Because the radial PIM passes through all nodal points within an influence domain, essential boundary conditions as well as virtual boundary conditions can be easily implemented at local level. Fully implicit integration scheme is used in time domain to avoid spurious ripple effect. The proposed algorithm is assessed through the comparison of numerical results with closed-form solution or finite element solutions. © 2003 Elsevier Ltd. All rights reserved.
Source Title: Ocean Engineering
ISSN: 00298018
DOI: 10.1016/S0029-8018(03)00112-4
Appears in Collections:Staff Publications

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