hydrodynamic interaction with an array of porous circular cylinders
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ID: 211105
2010
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Abstract
In the present study, the wave excitation forces acting on an array of porous circular cylinders are examined based on diffraction problems. To calculate the wave forces, the fluid domain is divided into three regions i.e. a single exterior region, N interior regions and N beneath regions, and the diffraction in each fluid region is expressed by an eigenfunction expansion method with using 3-dimension liner potential theory (Williams and Li, 2000). Especially, the present method is extended to the case of an array of truncated porous circular cylinders to calculate the heave forces as well as surge and sway forces. To verify this method, the numerical results obtained by eigenfunction are compared with these results obtained by higher order boundary element method (Choi et al., 2000). The numerical results obtained by this study are in good agreement with those results. By changing the numbers of porous circular cylinders, the angle of incident wave and the porosity rate of circular cylinders, the wave excitation forces such as surge, sway and heave on an array of truncated porous circular cylinders are investigated.
| Reference Key |
park2010internationalhydrodynamic
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|---|---|
| Authors | ;Min-Su Park;Weoncheol Koo;Yoonrak Choi |
| Journal | current developments in nutrition |
| Year | 2010 |
| DOI |
10.2478/IJNAOE-2013-0031
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| URL | |
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