Unsteady 2-D Compressible Flow in Unbounded Domain

[+] Author and Article Information
Deguan Wang, E. Benjamin Wylie

Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI 48109

J. Fluids Eng 117(1), 91-96 (Mar 01, 1995) (6 pages) doi:10.1115/1.2816834 History: Received July 01, 1993; Revised June 03, 1994; Online December 04, 2007


An unsteady isentropic flow model is presented to calculate the two-dimensional flow field in an arbitrarily closed region or in an open fluid domain. In the open domain, a unique boundary condition is implemented to simulate the infinite character of the open space. The characteristics-like method presented herein is shown to be robust over the entire subsonic flow range and, with the implementation of the infinite boundary, provides numerical results in agreement with analytic solutions and experimental data.

Copyright © 1995 by The American Society of Mechanical Engineers
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