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Analysis of Wave Transformation and Velocity Fields Including Wave Breaking due to the Permeable Submerged Breakwaters  

김도삼 (한국해양대학교 공과대학 토목환경시스템공학부)
이광호 (동의공업대학 토목과)
김정수 (한국해양대학교 공과대학 토목환경시스템공학부)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.14, no.2, 2002 , pp. 171-181 More about this Journal
Abstract
Among various numerical methods of wave transformations including wave breaking by structure, models using VOF(Volume Of Fluid) method to trace free surface are getting into the spotlight recently. In order to analyze wave transformations and velocity of the wave fields due to the permeable submerged breakwater(PSB), This study applied VOF method to the two-dimensional wave channel installed line-source to generate waves and added dissipation zone to offer a non-reflective boundary. Hydraulic experiments was performed to obtain the application of two-dimensional numerical wave channel. The results of numerical experiments using the two-dimensional wave channel agree well with the experimental data. It was shown that vortices are formed behind the PSB, and in case of the 2-rowed PSB they also are occurred in between PSBs, strongly non-linear waves are developed on the crown of the PSB, and the direction of velocities in porous media is determined by the shape of free surface.
Keywords
VOF method; wave breaking; two-dimensional numerical wave channel; added dissipation zone; permeable submerged breakwater(PSB); porous media;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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