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sunfluidh:new_numerical_methods_setup_namelist [2017/09/22 18:01] yannsunfluidh:new_numerical_methods_setup_namelist [2017/09/22 18:03] – [Poisson_NumericalMethod] yann
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    * Type : Character string    * Type : Character string
    * Selection of the numerical method for solving the Poisson equation in accordance to the projection method. The solution is the pressure time increment ($\Phi= P^{n+1}-P^{n}$, Goda's method) used to update the velocity field according to the principle of the projection method (When the numerical method of Njam et al. is used to solve the Navier-Stokes equations, the pressure is solved in place of its time increment (Chorin's method). The options are :    * Selection of the numerical method for solving the Poisson equation in accordance to the projection method. The solution is the pressure time increment ($\Phi= P^{n+1}-P^{n}$, Goda's method) used to update the velocity field according to the principle of the projection method (When the numerical method of Njam et al. is used to solve the Navier-Stokes equations, the pressure is solved in place of its time increment (Chorin's method). The options are :
-     * "Home-Multigrid-ConstantMatrixCoef" : Successive Over-Relaxed method (SOR) coupled with a multigrid method in order to accelerate the convergence. The matrix elements depend on the cell size only (constant elements). +     __"Home-Multigrid-ConstantMatrixCoef"__ : Successive Over-Relaxed method (SOR) coupled with a multigrid method in order to accelerate the convergence. The matrix elements depend on the cell size only (constant elements). 
-     * "Home-HelmholtzApproximation" : Poisson's operator (constant matrix elements) is approximated by a Helmholtz's operator (experimental method proposed by J.L. Guermond) - For incompressible flow only.\\ __** Not for the release SUNFLUIDH_EDU**__ +     __"Home-HelmholtzApproximation"__ : Poisson's operator (constant matrix elements) is approximated by a Helmholtz's operator (experimental method proposed by J.L. Guermond) - For incompressible flow only. __** Not for the release SUNFLUIDH_EDU**__ 
-     * "Home-PartialDiagonalization" : Partial diagonalisation of the Laplacian operator (constant elements). BEWARE : the problem must be separable.\\ __** Not for the release SUNFLUIDH_EDU**__ +     __"Home-PartialDiagonalization"__ : Partial diagonalisation of the Laplacian operator (constant elements). BEWARE : the problem must be separable. __** Not for the release SUNFLUIDH_EDU**__ 
-     * "Home-Multigrid-VariableMatrixCoef" : SOR iterative method coupled with a multigrid method in order to accelerate the convergence. The matrix elements depend on the cell size and the density, the source term is defined from the divergence of the velocity.\\ __** Not for the release SUNFLUIDH_EDU**__ +     __"Home-Multigrid-VariableMatrixCoef"__ : SOR iterative method coupled with a multigrid method in order to accelerate the convergence. The matrix elements depend on the cell size and the density, the source term is defined from the divergence of the velocity. __** Not for the release SUNFLUIDH_EDU**__ 
-     * "Hypre-ConstantMatrixCoef" : Poisson's equation is solved by the HYPRE library tools. The matrix elements are constants. The parameters of the HYPRE library are set in the namelist [[ | ]]. +     __"Hypre-ConstantMatrixCoef"__ : Poisson's equation is solved by the HYPRE library tools. The matrix elements are constants. The parameters of the HYPRE library are set in the namelist [[ | ]].  __** Not for the release SUNFLUIDH_EDU**__ 
-     * "Hypre-VariableMatrixCoef" : Poisson's equation is solved by the HYPRE library tools. The matrix elements are non-constants. The parameters of the HYPRE library are set in the namelist [[ | ]].+     __"Hypre-VariableMatrixCoef"__: Poisson's equation is solved by the HYPRE library tools. The matrix elements are non-constants. The parameters of the HYPRE library are set in the namelist [[ | ]]. __** Not for the release SUNFLUIDH_EDU**__
      
sunfluidh/new_numerical_methods_setup_namelist.txt · Dernière modification : 2018/05/29 15:06 de witko

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