A Panel-Fourier Method for Free-Surface Flows

[+] Author and Article Information
Jorge D’Elı́a, Mario A. Storti, Sergio R. Idelsohn

Centro Internacional de Métodos Computacionales en Ingenierı́a (CIMEC), INTEC (UNL-CONICET). Güemes 3450, 3000-Santa Fe, Argentina

J. Fluids Eng 122(2), 309-317 (Nov 30, 1999) (9 pages) doi:10.1115/1.483259 History: Received May 27, 1998; Revised November 30, 1999
Copyright © 2000 by ASME
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Geometrical description of the ship wave-resistance problem
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A structured panel mesh over the free surface, around a Wigley model (xy-view)
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Wave resistance coefficient for the Wigley model 2891:C1: residuary for model free to trim, C2: residuary for model fixed, C3: calculated Michell resistance (from Wehausen 26, Fig. 20, p. 182); C4: Panel-Fourier computation.
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Wave profiles at 40 knots ferry speed (magnification factor=10), top: from sensor measurements each 25 m on planes parallel to the gallery one, bottom: from a Panel-Fourier computation.
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Structured panel mesh on the free surface, around a ferry (xy-view)
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Perspective view of the wave-pattern for a ferry at 40 knots along 15 ship-lengths, computed with the Fourier series




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