Multigrid Computation of Incompressible Flows Using Two-Equation Turbulence Models: Part II—Applications

[+] Author and Article Information
X. Zheng, C. Liao, C. Liu

Department of Mathematics and Statistics, Louisiana Tech University, Ruston, LA 71272

C. H. Sung, T. T. Huang

David Taylor Model Basin, Carderock Division, NSWC, Bethesda, MD

J. Fluids Eng 119(4), 900-905 (Dec 01, 1997) (6 pages) doi:10.1115/1.2819514 History: Received May 30, 1996; Revised July 21, 1997; Online January 22, 2008


In this paper, computational results are presented for three-dimensional high-Reynolds number turbulent flows over a simplified submarine model. The simulation is based on the solution of Reynolds-Averaged Navier-Stokes equations and two-equation turbulence models by using a preconditioned time-stepping approach. A multiblock method, in which the block loop is placed in the inner cycle of a multi-grid algorithm, is used to obtain versatility and efficiency. It was found that the calculated body drag, lift, side force coefficients and moments at various angles of attack or angles of drift are in excellent agreement with experimental data. Fast convergence has been achieved for all the cases with large angles of attack and with modest drift angles.

Copyright © 1997 by The American Society of Mechanical Engineers
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