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RESEARCH PAPERS: Offshore Mechanics

A Numerical Procedure for Vehicle-Induced Internal Waves

[+] Author and Article Information
I. Suh

Daewoo Shipbuilding and Heavy Machinery Ltd., Seoul, Korea

R. I. Hires

Stevens Institute of Technology, Department of Civil and Ocean Engineering, Hoboken, N.J. 07030

J. Offshore Mech. Arct. Eng 110(4), 380-386 (Nov 01, 1988) (7 pages) doi:10.1115/1.3257076 History: Received October 21, 1986; Revised May 18, 1988; Online October 30, 2009

Abstract

An axially marching numerical method is developed for the simulation of the internal waves produced by the translation of a submersed vehicle in a density-stratified ocean. The method provides for the direct solution of the primitive variables [v, p, ρ] for the nonlinear and steady-state three-dimensional Euler’s equation with a nonconstant density term in the vehicle-fixed cartesian coordinate system. By utilizing a known potential flow around the vehicle for an estimate of the axial velocity gradient, the present parabolic algorithm allows local upstream disturbances and an axial velocity variation.

Copyright © 1988 by ASME
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