Spectral Shell and Perfectly Transparent Open-Boundary Condition for Unsteady Wave-Body Interactions

[+] Author and Article Information
J. Andrew Hamilton

Department of Mechanical Engineering, University of California at Berkeley, Berkeley, California 94720-1740e-mail: hamilton@mbari.org

Ronald W. Yeung

Mechanical Engineering & Ocean Engineering, University of California at Berkeley, Berkeley, California 94720-1740e-mail: rwyeung@socrates.berkeley.edu

J. Offshore Mech. Arct. Eng 125(1), 9-16 (Feb 28, 2003) (8 pages) doi:10.1115/1.1537721 History: Received February 01, 2002; Revised September 01, 2002; Online February 28, 2003
Copyright © 2003 by ASME
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Grahic Jump Location
Schematic of the geometry of a shell
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Schematic of an inviscid interior problem
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Snapshots of the solution of a Cauchy-Poisson problem, showing waves traveling out of the interior domain, the free surface of which is shown.
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Potential, kinetic, and total energy balance within the shell
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Horizontal force on a swaying cylinder as a function of time
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Snapshots of a packet of “incident waves” diffracting about a vertical cylinder
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Incident-wave slope at the origin and resulting force on a fixed cylinder
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Polar coordinate system for evaluation of Green function coefficients




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