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Title: Application of boundary element method for the analysis of potential flow field and wave resistance in finite depth of water
Authors: Md. Shahjada, Tarafder
Gazi, Md. Khalil
Keywords: Boundary element method;Free surface;Perturbation method;Shallow water effect;Wave making resistance
Issue Date: Mar-2004
Publisher: The Institution of Engineers, Malaysia
Citation: The Journal of the Institution of Engineers, Malaysia, vol. 65(1/2), 2004, pages 50-55
Abstract: A boundary element method is presented for solving a nonlinear free surface flow problem for a ship moving with a uniform speed in shallow water. The free surface boundary condition is linearized by the systematic method of perturbation in terms of a small parameter. The surfaces are discretized into flat quadrilateral elements and the influence coefficients are calculated by Morino’s analytical formula. Dawson’s upstream finite difference operator is used in order to satisfy the radiation condition. A verification of the numerical modelling is made using the Wigley hull. The peak of the wave resistance curve and the wave pattern at the critical speed demonstrate the validity of the computer scheme.
Description: Link to publisher's homepage at http://www.myiem.org.my/
URI: http://myiem.org.my/content/iem_journal_2004-175.aspx
ISSN: 0126-513X
Appears in Collections:IEM Journal

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