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Analysis of wave induced drift forces acting on a submerged sphere in finite water depth |
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| Authors: | G X Wu J A Witz Q Ma and D T Brown |
| Institution: | Department of Mechanical Engineering, University College London, Torrington Place, London, UK, WCIE 7JE |
| Abstract: | A solution is presented for the wave induced drift forces acting on a submerged sphere in a finite water depth based on linearised velocity potential theory. In order to obtain the velocity potential, use has been made of multipole expansions in terms of an infinite series of Legendre functions with unknown coefficients. The series expression for the second order mean forces (drift forces) is provided by integrating the fluid pressure over the body surface. The horizontal drift force is also expressed by a series solution obtained using the far-field method. |
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