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Wave Induced Vortex Near Seashore

by Tai-Wen Hsu, Natl Cheng Kung Univ, Tainan, Taiwan,
Shan-Hwei Ou, Natl Cheng Kung Univ, Tainan, Taiwan,
Chun-Wei Sun, Natl Cheng Kung Univ, Tainan, Taiwan,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract:

The vortex motion behind submerged breakwaters in the nearshore region is studied. The RCPWAVE model (Ebersole et al., 1986) is used to calculate the wave field and thus the radiator stresses are obtained. The wave induced vortex motion is predicted from the governing equations that incorporate the radiation stresses. The relations between the vortex patterns and the factors, such as offshore distance and spacing of submerged breakwaters, are illuminated.

Subject Headings: Vortices | Water waves | Coastal protection structures | Breakwaters | Stress analysis | Fluid flow | Wave velocity

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