In this paper we present effective preconditioning techniques for solving the nonsymmetric systems that arise from the discretization of the Navier–Stokes equations. These linear systems are solved using either Krylov subspace methods or the Richardson scheme. We demonstrate the effectiveness of our techniques in handling time-accurate as well as steady-state solutions. We also compare our solvers with those published previously.
Preconditioning Techniques for Nonsymmetric Linear Systems in the Computation of Incompressible Flows
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Manguoglu, M., Sameh, A. H., Saied, F., Tezduyar, T. E., and Sathe, S. (January 14, 2009). "Preconditioning Techniques for Nonsymmetric Linear Systems in the Computation of Incompressible Flows." ASME. J. Appl. Mech. March 2009; 76(2): 021204. https://doi.org/10.1115/1.3059576
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