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標題: Wave Height Transformation and Set-up Between A Submerged Permeable Breakwater and A Seawall
作者: 蔡清標
TSAI, Ching-piao
YU, Chien-hung
CHEN, Hong-bin
CHEN, Hsin-yu
關鍵字: wave height transformation;water piling-up;wave set-up;submerged permeable breakwater;seawall;time-dependent mild-slope equations
Project: China Ocean Engineering, Volume 26,Issue 1, page(s) 167 − 176.
In this study, we investigated wave transformation and wave set-up between a submerged permeable breakwater and
a seawall. Modified time-dependent mild-slope equations, which involve parameters of the porous medium, were used to
calculate the wave height transformation and the mean water level change around a submerged breakwater. The
numerical solution is verified with experimental data. The simulated results show that modulations of the wave profile
and wave set-up are clearly observed between the submerged breakwater and the seawall. In contrast to cases without a
seawall, the node or pseudo-node of wave height evolution can be found between the submerged breakwater and the
seawall. Higher wave set-up occurs if the nodal or pseudo-nodal point appears near the submerged breakwater. We also
examined the influence of the porosity and friction factor of the submerged permeable breakwater on wave transformation
and set-up.
ISSN: 0890-5487
DOI: 10.1007/s13344-012-0012-6
Appears in Collections:土木工程學系所

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