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sunfluidh:new_numerical_methods_setup_namelist [2017/09/25 14:06] – [Namelist Numerical_Methods (new version)] yannsunfluidh:new_numerical_methods_setup_namelist [2017/09/25 14:33] – [Full data set of the namelist] yann
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 <WRAP info> <WRAP info>
 This new data setup is also devoted to the selection of the numerical methods and schemes used in order to solve the conservation equations for velocity components, temperature, species mass fractions and density (in particuliar cases) and Poisson equation for the pressure. Some parameter setting could be also considered in respect with the numerical method selected. This new data setup is also devoted to the selection of the numerical methods and schemes used in order to solve the conservation equations for velocity components, temperature, species mass fractions and density (in particuliar cases) and Poisson equation for the pressure. Some parameter setting could be also considered in respect with the numerical method selected.
-The data are divided in three groups in order to define :+The data are divided in three groups in order to define:
     * the numerical method applied for solving the conservation equations (for velocity, temperature, species, ...)     * the numerical method applied for solving the conservation equations (for velocity, temperature, species, ...)
     * the choice of advective or convective flux discretization (for 2nd order schemes only). The viscous, conductive or diffusive fluxes are always discretized with a centered 2nd order or 4th order scheme according to the previous choice.     * the choice of advective or convective flux discretization (for 2nd order schemes only). The viscous, conductive or diffusive fluxes are always discretized with a centered 2nd order or 4th order scheme according to the previous choice.
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    * The partial diagonalization method (Poisson_NumericalMethod = "Home-PartialDiagonalization") used for solving the Poisson equation is only permitted for separable problems.    * The partial diagonalization method (Poisson_NumericalMethod = "Home-PartialDiagonalization") used for solving the Poisson equation is only permitted for separable problems.
    * The HYPRE library solvers for solving the Poisson's equation are only available if the HYPRE library has been installed.    * The HYPRE library solvers for solving the Poisson's equation are only available if the HYPRE library has been installed.
 + 
  
 </note> </note>
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 ----- -----
 ====  NS_NumericalMethod  ==== ====  NS_NumericalMethod  ====
-(equivalent to "Numerical_Scheme" in the previous release)+(equivalent to "Numerical_Scheme" in the previous release, see [[Numerical_Methods_Setup_Namelist |Numerical_Methods (old version)]] )
    * Type: character string    * Type: character string
    * Selection of the numerical scheme for solving the conservation equations :    * Selection of the numerical scheme for solving the conservation equations :
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 ==== MomentumConvection_Scheme ==== ==== MomentumConvection_Scheme ====
-(equivalent to "Convective_Flux_Discretization_Type" in the previous release)+(equivalent to "Convective_Flux_Discretization_Type" in the previous release, see [[Numerical_Methods_Setup_Namelist |Numerical_Methods (old version)]] )
    * Type : character string    * Type : character string
    * Selection of the 2nd order spatial discretization for the convection flux in the momentum equations. The options are :     * Selection of the 2nd order spatial discretization for the convection flux in the momentum equations. The options are : 
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 ====  Poisson_NumericalMethod ==== ====  Poisson_NumericalMethod ====
-(equivalent to "Numerical_Method_Poisson_Equation " in the previous release)+(equivalent to "Numerical_Method_Poisson_Equation " in the previous release, see [[Numerical_Methods_Setup_Namelist |Numerical_Methods (old version)]] )
    * 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 :
sunfluidh/new_numerical_methods_setup_namelist.txt · Dernière modification : 2018/05/29 15:06 de witko

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