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標題: Laminar water wave and current passing over porous bed
作者: Hsieh, P.C.
Dai, H.H.
Huang, L.H.
關鍵字: laminar flow;viscosity;water waves;beds;porous media;layer
Project: Journal of Engineering Mechanics-Asce
期刊/報告no:: Journal of Engineering Mechanics-Asce, Volume 129, Issue 6, Page(s) 655-664.
The problem of the dynamic interaction of water waves, current, and a hard poroelastic bed is dealt with in this study. Finite-depth homogeneous water with harmonic linear water waves passing over a semi-infinite poroelastic bed is investigated. In order to reveal the importance of viscous effect for different bed forms, viscosity of water is considered herein. In a boundary layer correction approach, the governing equations of the poroelastic material are decoupled without losing physical generality. The contribution of pressure effect and shear effect to the hard poroelastic bed, which is a valuable indication to the mechanism of ripple formation, is clarified in the present study. This approach will be helpful in saving time and storage capacity when it is applied to numerical computation.
ISSN: 0733-9399
DOI: 10.1061/(asce)0733-9399(2003)129:6(655)
Appears in Collections:水土保持學系

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