sunfluidh:numerical_methods_setup_namelist
Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédente | ||
| sunfluidh:numerical_methods_setup_namelist [2017/09/25 12:34] – [Namelist Numerical_Methods (old version)] yann | sunfluidh:numerical_methods_setup_namelist [2017/09/25 14:28] (Version actuelle) – [Number_Iteration_CoarseToFineFGrid (only if the SOR method is used)] yann | ||
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| * Following the problem treated, some numerical methods are better adapted than others, this point is precised for each available option. | * Following the problem treated, some numerical methods are better adapted than others, this point is precised for each available option. | ||
| * The partial diagonalization method (Iterative_Method_Selection=3) used for solving the Poisson equation is only permitted for separable problem. | * The partial diagonalization method (Iterative_Method_Selection=3) used for solving the Poisson equation is only permitted for separable problem. | ||
| - | * When the partial diagonalization method is used, the data related to the SOR and multigrid method are useless. | + | * When the partial diagonalization method is used, the data related to the SOR and multigrid method are useless |
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| ===== Definition of the data set ===== | ===== Definition of the data set ===== | ||
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| * Type : integer value | * Type : integer value | ||
| * Number of iterations performed by the SOR method in order to approach the solution on each grid level. | * Number of iterations performed by the SOR method in order to approach the solution on each grid level. | ||
| + | ==== Number_Iteration_FineToCoarseGrid (only if the SOR method is used) ==== | ||
| + | * Type : integer value | ||
| + | * Number of iterations performed by the SOR solver during the restriction step of each V-cycle of the multigrid procedure. For some problems, the minimization of iterations during the restriction step can improve the time-performance of the code.\\ __BEWARE__ : this data is enabled only if the variable Number_Iteration= 0 or is removed from the Namelist. | ||
| + | ==== Number_Iteration_CoarsestGrid (only if the SOR method is used) ==== | ||
| + | * Type : integer value | ||
| + | * Number of iterations performed by the SOR solver on the coarsest grid of each V-cycle of the multigrid procedure.\\ __BEWARE__ : this data is enabled only if the variable Number_Iteration= 0 or is removed from the Namelist. | ||
| + | ==== Number_Iteration_CoarseToFineGrid (only if the SOR method is used) ==== | ||
| + | * Type : integer value | ||
| + | * Number of iterations performed by the SOR solver during the prolongation step of each V-cycle of the multigrid procedure.\\ __BEWARE__ : this data is enabled only if the variable Number_Iteration= 0 or is removed from the Namelist. | ||
| ==== Relaxation_Coefficient (only if the SOR method is used) ==== | ==== Relaxation_Coefficient (only if the SOR method is used) ==== | ||
| * Type : real value between one and two | * Type : real value between one and two | ||
sunfluidh/numerical_methods_setup_namelist.1506335661.txt.gz · Dernière modification : 2017/09/25 12:34 de yann