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Parallel Two-Level Methods for Three-Dimensional Transonic Compressible Flow Simulations on Unstructured Meshes
 

Summary: Parallel Two-Level Methods for Three-Dimensional Transonic
Compressible Flow Simulations on Unstructured Meshes
R. Aitbayeva
, X.-C. Caia
, and M. Paraschivoiub
a
Department of Computer Science, University of Colorado,
Boulder, CO 80309, U.S.A., {rakhim, cai}@cs.colorado.edu
b
Department of Mechanical and Industrial Engineering, University of Toronto,
Toronto, Canada, M5S 3G8, marius@mie.utoronto.ca
We discuss our preliminary experiences with several parallel two-level additive Schwarz
type domain decomposition methods for the simulation of three-dimensional transonic
compressible flows. The focus is on the implementation of the parallel coarse mesh solver,
which is used to reduce computational cost and speed up convergence of the linear al-
gebraic solvers. Results of a local two-level and a global two-level algorithm on a multi-
processor computer are presented for computing steady flows around a NACA0012 airfoil
using the Euler equations discretized on unstructured meshes.
1. INTRODUCTION
We are interested in the numerical simulation of three-dimensional inviscid steady-state

  

Source: Aitbayev, Rakhim - Department of Mathematics, New Mexico Institute of Mining and Technology

 

Collections: Mathematics