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 15:00] – 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 ore accurate is the simulation. Several basic rules should be respected as it is possible. | + | More regular is the mesh more accurate is the simulation. Several basic rules should be respected |
- | * 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 :\\ $0.2 \le \frac {\Delta x_j}{\Delta X_i} \le 5$ with | + | * 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.1512223240.txt.gz · Dernière modification : 2017/12/02 15:00 de yann