sunfluidh:meshgen_doc
Différences
Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédenteProchaine révisionLes deux révisions suivantes | ||
sunfluidh:meshgen_doc [2017/12/03 17:11] – yann | sunfluidh:meshgen_doc [2020/10/27 15:50] – [Meshgen : A mesh generator for cartesian grid] yann | ||
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Ligne 6: | Ligne 6: | ||
* Following the CFD code used, these nodes have different definitions : | * Following the CFD code used, these nodes have different definitions : | ||
* For Chorus, they are the cell centers. | * For Chorus, they are the cell centers. | ||
- | * For Sunfluidh, they are the cell-face locations. | + | * For Sunfluidh, they are the cell-face locations |
* Several distribution laws are available : | * Several distribution laws are available : | ||
* Geometric functions | * Geometric functions | ||
Ligne 15: | Ligne 15: | ||
<note important> | <note important> | ||
- | | + | |
</ | </ | ||
- | After downloading the Meshgen project from the server forge by means of svn: | + | After downloading the Meshgen project from the server forge by means of svn (svn co –username your_login https:// |
* go to the directory MESHGEN/ | * go to the directory MESHGEN/ | ||
* Run the command make: The executable file meshgen.x is created. | * Run the command make: The executable file meshgen.x is created. | ||
Ligne 31: | Ligne 31: | ||
Each direction can be split in several parts (segments) on which a specific distribution law is applied in order to place the discrete nodes.\\ | Each direction can be split in several parts (segments) on which a specific distribution law is applied in order to place the discrete nodes.\\ | ||
Each distribution law is defined by means of namelists that are described at the end of this page. The available functions are (click on it for details): | Each distribution law is defined by means of namelists that are described at the end of this page. The available functions are (click on it for details): | ||
- | * [[Reg_fct_meshgen | Regular function]] (Function_name= | + | * [[Reg_fct_meshgen | Regular function]] (Function_name= |
- | * [[TH1S_meshgen |Hyperbolic tangent function "one side" | + | * [[TH1S_meshgen |Hyperbolic tangent function "one side" |
- | * [[TH2S_meshgen |Hyperbolic tangent function "two sides" | + | * [[TH2S_meshgen |Hyperbolic tangent function "two sides" |
- | * [[GL_meshgen | Gauss-Lobatto distribution ]](Function_Name= | + | * [[GL_meshgen | Gauss-Lobatto distribution ]](Function_Name= |
- | * [[geom1_meshgen | Geometric series "type 1"]] (Function_Name= | + | * [[geom1_meshgen | Geometric series "type 1"]] (Function_Name= |
- | * [[geom2_meshgen | Geometric series "type 2"]] (Function_Name= | + | * [[geom2_meshgen | Geometric series "type 2"]] (Function_Name= |
These functions get a specific data set : | These functions get a specific data set : | ||
Ligne 60: | Ligne 60: | ||
After setting the data set in the file " | After setting the data set in the file " | ||
Few questions are asked : | Few questions are asked : | ||
- | * Choice of CFD code : OLORIN or SUNFLUIDH (1) CHORUS (2) ---> | + | * Choice of CFD code : OLORIN or SUNFLUIDH (1) CHORUS (2) ---> |
- | * MPI domain decomposition (1) or not (0) ---> | + | * MPI domain decomposition (1) or not (0) ---> |
For the case of MPI domain decomposition, | For the case of MPI domain decomposition, | ||
Ligne 68: | Ligne 68: | ||
| | ||
| | ||
+ | |||
+ | ==== Output files ==== | ||
The grid data are recorded in the appropriate files that depend on the code previously selected: | The grid data are recorded in the appropriate files that depend on the code previously selected: | ||
* For Chorus, maille_yyyyy.dat : data are recorded in binary format. " | * For Chorus, maille_yyyyy.dat : data are recorded in binary format. " | ||
* For sunfluidh : | * For sunfluidh : | ||
- | * For sequential computation, | + | |
- | * For domain decomposition (MPI parallelization), | + | |
==== Check the grid ==== | ==== Check the grid ==== |
sunfluidh/meshgen_doc.txt · Dernière modification : 2020/10/27 16:31 de yann