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A linear hybrid model of MSE and BEM for floating structures in coastal zones |
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| Authors: | Jun Guo-ping MIAO |
| Affiliation: | aSchool of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai 200030, China bThe First Engineers Scientific Research Institute of the General Armaments, Wuxi 214035, China cSchool of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai 200030, China |
| Abstract: | A linear hybrid model of Mild Slope Equation (MSE) and Boundary Element Method (BEM) is developed to study the wave propagation around floating structures in coastal zones. Both the wave refraction under the influence of topography and the wave diffraction by floating structures are considered. Hence, the model provides wave properties around the coastal floating structures of arbitrary shape but also the wave forces on and the hydrodynamic characteristics of the structures. Different approaches are compared to demonstrate the validity of the present hybrid model. Several numerical tests are carried out for the cases of pontoons under different circumstances. The results show that the influence of topography on the hydrodynamic characteristics of floating structures in coastal regions is important and must not be ignored in the most wave period range with practical interests. |
| Keywords: | hybrid model Mild Slope Equation (MSE) Boundary Element Method (BEM) marine floating structures coastal regions wave propagation wave force |
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