A Numerical Study of the Hydrodynamics of Reversing Flows Around a Cylinder

[+] Author and Article Information
K. Nakajima, Y. Kallinderis, I. Sibetheros, R. W. Miksad, K. Lambrakos

The Offshore Technology Research Center, The University of Texas at Austin, Austin, TX 78712

J. Offshore Mech. Arct. Eng 116(4), 202-208 (Nov 01, 1994) (7 pages) doi:10.1115/1.2920152 History: Received January 01, 1993; Revised June 30, 1994; Online June 12, 2008


A numerical study of the nonlinear and random behavior of flow-induced forces on offshore structures and experimental verification of the results are presented. The numerical study is based on a finite-element method for the unsteady incompressible Navier-Stokes equations in two dimensions. The momentum equations combined with a pressure correction equation are solved employing fourth-order artificial dissipation with a nonstaggered grid, instead of the more commonly used staggered meshes. The solution is advanced in time with a combined explicit and implicit marching scheme. Emphasis is placed on study of reversing flows around a cylinder. Comparisons with experimental data evaluate accuracy and robustness of the method.

Copyright © 1994 by The American Society of Mechanical Engineers
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