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REVIEW ARTICLES

Knowledge-Based Shock-Wave Modeling by GENESIS

[+] Author and Article Information
Barry Hunt, Arthur P. Adamson

GE Aircraft Engines, Cincinnati OH 45215

Appl. Mech. Rev 46(11S), S198-S210 (Nov 01, 1993) doi:10.1115/1.3122637 History: Online April 29, 2009

Abstract

GENESIS—GE neralized N onlinear E xtension of S urface I ntegral S chemes—offers the prospect of extending existing 3-D panel codes, originally developed for linear flows over complex configurations, to the general régime of flows governed by the unsteady Euler equation—without significant increases in computational time or resources. The boundary representation of a shock discontinuity exploits its causal link with conditions at the sonic point to suppress, non-dissipatively, the physically-impossible formation of an expansion shock. Three approaches are described, two approximate and one nominally exact, for solving the transonic Euler equation on conventional computers; some 2-D transonic results are presented, obtained on a PC in about one second.

Copyright © 1993 by American Society of Mechanical Engineers
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