A. Tyliszczak and H. Deconinck Application of time preconditioning and high-order compact discretization method for low Mach number flows International Journal for Numerical Methods in Fluids 72
The paper describes a combination of a preconditioning method with a high-order compact scheme for the purpose of solving the compressible Navier–Stokes equations in moderate and low Mach number regimes. Combined with characteristic boundary conditions, the proposed approach is robust and very efficient from the point of view of convergence and accuracy. The computations were performed in typical benchmark cases including the Burggraf flow, the flow over a backward facing step, and in 2D and 3D shear-driven cavities.
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