Numer. Math. Theor. Meth. Appl., 9 (2016), pp. 239-261.
Published online: 2016-09
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In this paper we explore the performance of the SIMPLER, augmented Lagrangian, 'grad-div' preconditioners and their new variants for the two-by-two block systems arising in the incompressible Navier-Stokes equations. The lid-driven cavity and flow over a finite flat plate are chosen as the benchmark problems. For each problem the Reynolds number varies from a low to the limiting number for a laminar flow.
}, issn = {2079-7338}, doi = {https://doi.org/10.4208/nmtma.2016.m1422}, url = {http://global-sci.org/intro/article_detail/nmtma/12376.html} }In this paper we explore the performance of the SIMPLER, augmented Lagrangian, 'grad-div' preconditioners and their new variants for the two-by-two block systems arising in the incompressible Navier-Stokes equations. The lid-driven cavity and flow over a finite flat plate are chosen as the benchmark problems. For each problem the Reynolds number varies from a low to the limiting number for a laminar flow.