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Volume 8, Issue 1
Semi-Coarsening in Multigrid Solution of Steady Incompressible Navier-Stokes Equations

Lin-Bo Zhang

J. Comp. Math., 8 (1990), pp. 92-98.

Published online: 1990-08

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  • Abstract

We present a semi-coarsening procedure, i.e., coarsening in one space direction, to improve the convergence rate of the multigrid solver presented in [5] for solving the 2D steady Navier-Stokes in primitive variables when the aspect ratio of grid cells is not equal to 1, i.e., when $h_x/h_y \gg 1 \ {\rm or} \ll 1$, where $h_x$ is the grid step in $x$ direction and $h_y$ is the grid step in $y$ direction, $x$ and $y$ represent the Cartesian coordinates.

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@Article{JCM-8-92, author = { , Lin-Bo Zhang}, title = {Semi-Coarsening in Multigrid Solution of Steady Incompressible Navier-Stokes Equations}, journal = {Journal of Computational Mathematics}, year = {1990}, volume = {8}, number = {1}, pages = {92--98}, abstract = {

We present a semi-coarsening procedure, i.e., coarsening in one space direction, to improve the convergence rate of the multigrid solver presented in [5] for solving the 2D steady Navier-Stokes in primitive variables when the aspect ratio of grid cells is not equal to 1, i.e., when $h_x/h_y \gg 1 \ {\rm or} \ll 1$, where $h_x$ is the grid step in $x$ direction and $h_y$ is the grid step in $y$ direction, $x$ and $y$ represent the Cartesian coordinates.

}, issn = {1991-7139}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jcm/9422.html} }
TY - JOUR T1 - Semi-Coarsening in Multigrid Solution of Steady Incompressible Navier-Stokes Equations AU - , Lin-Bo Zhang JO - Journal of Computational Mathematics VL - 1 SP - 92 EP - 98 PY - 1990 DA - 1990/08 SN - 8 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/9422.html KW - AB -

We present a semi-coarsening procedure, i.e., coarsening in one space direction, to improve the convergence rate of the multigrid solver presented in [5] for solving the 2D steady Navier-Stokes in primitive variables when the aspect ratio of grid cells is not equal to 1, i.e., when $h_x/h_y \gg 1 \ {\rm or} \ll 1$, where $h_x$ is the grid step in $x$ direction and $h_y$ is the grid step in $y$ direction, $x$ and $y$ represent the Cartesian coordinates.

, Lin-Bo Zhang. (1990). Semi-Coarsening in Multigrid Solution of Steady Incompressible Navier-Stokes Equations. Journal of Computational Mathematics. 8 (1). 92-98. doi:
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