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Implicit Upwind Schemes for Low Mach Number Compressible Flows

open access: yes, 1997
At low Mach number, the Roe scheme presents an excess of artificial viscosity. A correction of this scheme, which uses the preconditioning of Turkel, leads to an improvement of the solution. We refer to this new scheme as the Roe-Turkel scheme. We show that for the Roe-Turkel scheme the convergence of the numerical solution towards the exact solution ...
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