Advances in the Numerical Integration of the Three-Dimensional Euler Equations in Vibrating Cascades

[+] Author and Article Information
G. A. Gerolymos

Université Pierre & Marie Curie, Paris, France

J. Turbomach 115(4), 781-790 (Oct 01, 1993) (10 pages) doi:10.1115/1.2929316 History: Received February 17, 1992; Online June 09, 2008


In the present work an algorithm for the numerical integration of the three-dimensional unsteady Euler equations in vibrating transonic compressor cascades is described. The equations are discretized in finite-volume formulation in a mobile grid using isoparametric brick elements. They are integrated in time using Runge-Kutta schemes. A thorough discussion of the boundary conditions used and of their influence on results is undertaken. The influence of grid refinement on computational results is examined. Unsteady convergence of results is discussed.

Copyright © 1993 by The American Society of Mechanical Engineers
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