A nonstandard multigrid method with flexible multiple semicoarsening for the numerical solution of the pressure equation in a Navier--Stokes solver

DOI10.1023/A:1019113814803zbMath0983.76062OpenAlexW345754087MaRDI QIDQ1587040

Xavier Vasseur, Jean Piquet

Publication date: 22 November 2000

Published in: Numerical Algorithms (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1019113814803

zbMATH Keywords

multigrid methodpreconditionerKrylov subspace methodpressure equationsingular linear systemGalerkin coarse grid approximationcell-centered semicoarseningcollocated cell-centered structured gridincompressible Reynolds-averaged Navier-Stokes equationsmatrix-independent transfer operator

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Navier-Stokes equations for incompressible viscous fluids (76D05) Finite difference methods applied to problems in fluid mechanics (76M20) Iterative numerical methods for linear systems (65F10)

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