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The Method of Fundamental Solutions for Water-Wave Diffraction by Thin Porous Breakwater

Published online by Cambridge University Press:  31 March 2011

C. H. Tsai  and
D. L. Young
C. H. Tsai
Affiliation:
Department of Civil Engineering & Hydrotech Research Institute, National Taiwan University Taipei, Taiwan 10617, R.O.C.
D. L. Young*
Affiliation:
Department of Civil Engineering & Hydrotech Research Institute, National Taiwan University Taipei, Taiwan 10617, R.O.C.
*
**Professor, corresponding author
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Abstract

The method of fundamental solutions (MFS) and domain decomposition method (DDM) are employed to solve the water-wave diffraction by a thin porous vertical breakwater of semi-infinite extent. Based on the linearized theory of water waves, the problem can be reduced to a boundary value problem with degenerate boundary. In contrast to other mesh dependent numerical method, the MFS is easier and more efficient to handle degenerate boundary value problems. Various incident wave angles and porous parameters are included to validate the power of the proposed numerical scheme. The present results demonstrate the MFS is sufficiently accurate and feasible to be used to predict water-wave diffraction by a thin permeable breakwater by comparing with literature.

Keywords

Method of fundamental solutionsDomain decomposition methodPorous breakwaterWater-wave diffractionDegenerate boundary
Type
Articles
Information
Journal of Mechanics , Volume 27 , Issue 1 , March 2011 , pp. 149 - 155
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2011

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