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標題: Ocean waves propagating over a porous seabed of finite thickness
作者: Lee, T.C.
Tsai, C.P.
Jeng, D.S.
關鍵字: soil response;inertia effects;pore pressure;wave loading;water-waves;pore pressure;breakwater;soils
Project: Ocean Engineering
期刊/報告no:: Ocean Engineering, Volume 29, Issue 12, Page(s) 1577-1601.
In the past few decades, considerable efforts have been devoted to the phenomenon of wave-seabed interaction. However, conventional investigations for determining wave characteristics have been focused on the wave nonlinearity. On the other hand, most previous works have been only concerned with the seabed response under the wave pressure, which was obtained from the assumption of a rigid seabed. In this paper, the inertia forces and employing a complex wave number are considered in the whole problem. Based on Biot's poro-elastic theory, the problem of wave-seabed interaction is first treated analytically for a homogeneous bed of finite thickness and a new wave dispersion relationship is also obtained, in which the soil characteristics are included. The numerical results indicate that the effects of soil parameters significantly affect the wave characteristics (such as the damping of water wave, wave length and wave pressure). Furthermore, the effects of inertia forces on the wave-induced seabed response cannot always be ignored under certain combination of wave and soil conditions. (C) 2002 Elsevier Science Ltd. All rights reserved.
ISSN: 0029-8018
DOI: 10.1016/s0029-8018(01)00078-6
Appears in Collections:土木工程學系所

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