sunfluidh:sunfluidh_meshgen
Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédente | ||
| sunfluidh:sunfluidh_meshgen [2017/12/02 15:06] – yann | sunfluidh:sunfluidh_meshgen [2017/12/03 16:06] (Version actuelle) – yann | ||
|---|---|---|---|
| Ligne 4: | Ligne 4: | ||
| In the code Sunfluidh, the spatial discretization of equations is carried out on a cartesian staggered grid.\\ | In the code Sunfluidh, the spatial discretization of equations is carried out on a cartesian staggered grid.\\ | ||
| When the grid is regular (cell size is identical over the computational domain), the code build the mesh itself. | When the grid is regular (cell size is identical over the computational domain), the code build the mesh itself. | ||
| - | The user can also build a non-regular grid for sunfluidh by using the in-house software __[[meshgen_doc| Meshgen]]__. | + | The user can also build a non-regular grid for sunfluidh by using the in-house software __**[[meshgen_doc| Meshgen]]**__. |
| <note important> | <note important> | ||
| More regular is the mesh more accurate is the simulation. Several basic rules should be respected so far as it is permitted. | More regular is the mesh more accurate is the simulation. Several basic rules should be respected so far as it is permitted. | ||
| - | * The cell size ratio between two adjoined cells does not generally | + | * The cell-size ratio between two adjoined cells along any direction |
| * For every cell, the aspect ratio should be :\\ $$0.2 \le \frac {\Delta x_j}{\Delta X_i} \le 5$$ \\ This rule can be relaxed in some peculiar cases (weak gradient area, close-wall area, ...) | * For every cell, the aspect ratio should be :\\ $$0.2 \le \frac {\Delta x_j}{\Delta X_i} \le 5$$ \\ This rule can be relaxed in some peculiar cases (weak gradient area, close-wall area, ...) | ||
| </ | </ | ||
sunfluidh/sunfluidh_meshgen.1512223569.txt.gz · Dernière modification : 2017/12/02 15:06 de yann