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WAVE MOTION OVER TWO SUBMERGED LAYERS OF HORIZONTAL THICK PLATES |
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| Authors: | LIU Yong Key Laboratory of Ocean Engineering Sh ong Province Ocean University of China Qingdao China Key Laboratory of Water Sediment Science Water Hazard Prevention Hunan Province Changsha China LI Yu-cheng TENG Bin State Key Laboratory of Coastal Offshore Engineering Dalian University of Technology Dalian China |
| Affiliation: | aKey Laboratory of Ocean Engineering, Shandong Province, Ocean University of China, Qingdao 266100, China;bKey Laboratory of Water and Sediment Science and Water Hazard Prevention, Hunan Province, Changsha 410076, China;cState Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China |
| Abstract: | This study investigates the hydrodynamic performance of a submerged two layer horizontal plate breakwater. The plate thickness is considered as non-zero in the study. In the context of linear potential theory, an analytical solution for interaction of water waves with the plates is obtained using the matched eigenfunction expansion method. The solution consists of a symmetric part and an antisymmetric part. Its validity is confirmed by comparing the numerical results of reflection and transmission coefficients for limiting cases with previous predictions. Numerical examples are given to examine the major factors that affect the reflection and transmission coefficients of the plates. Some useful results are presented for engineering design. |
| Keywords: | submerged breakwater horizontal thick plate reflection coefficient transmission coefficient |
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