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The transformation of internal waves penetrating permeable structures

Chi-Min Liu ; Chien Kuo Institute of Technology, Chunghua City, Chunghua, TAIWAN, R.O.C.
Chin-Hwa Kong ; Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei, TAIWAN, R.O.C.
Chi-Kuo Lee ; Department of Marine Mechanical Engineering, Chinese Naval Academy, Kaohsiung, TAIWAN, R.O.C.

Puni tekst: engleski pdf 142 Kb


str. 41-46

preuzimanja: 11



This paper presents the interaction between the internal waves and the permeable wall. The permeable structures have been widely applied to coastal structures such as breakwaters. Not only the porous structure can reduce the energy of the reflected waves, but also it can prolong the life itself. Therefore it is important for engineers to evaluate the dynamic reaction of the permeable wall in order to design the best breakwater. In this study, we will treat the two face-flow fields with the irrotational, incompressible, and inviscid fluid. The perturbation method is applied to solve the problem with the small coefficient, the porous Reynolds number, which will be well defined in the following article. The permeability and the width of the wall will both deeply influence the interaction of internal waves and the wall.

Ključne riječi

permeable structures, coastal structures, breakwaters, two face-flow field, perturbation method

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