On the Quest for Accurate Simulations of Non-Equilibrium Flows
by
Pasquale Cinnella
Mississippi State University

This study discusses a few recent developments in the ongoing quest for more accurate and efficient algorithms for the numerical simulation of non-equilibrium flows. In particular, issues related to the ``best'' choice of eigenvalues and eigenvectors of the inviscid flux Jacobian matrices are reviewed, which play an important role in the development of flux-split algorithms; the relative efficiency of fully implicit and point-implicit time-integration schemes is investigated, with special attention to problems that are dominated by non-equilibrium effects; and the ``dangers" of using simplified physical models for the numerical simulation of chemically reacting flows are exemplified by a case study involving hydrogen/air combustion.

Date received: February 6, 1998

Copyright © 1998 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # caav-08.