Différences

Ci-dessous, les différences entre deux révisions de la page.

--- sunfluidh:domain_features_namelist [2016/10/09 13:29] – [Regular_Mesh] yann
+++ sunfluidh:domain_features_namelist [2018/12/15 12:08] (Version actuelle) – [Domain_Features] yann
@@ Ligne 1: / Ligne 1: @@
 ===== Domain_Features =====
-This data setup defines the domain size, the grid data, the domain decomposition features (MPI parallelisation characteristics : number of MPI processes bounded to subdomains and how they are distributed over the domain) and the number of threads also used to split the domain (OpenMP parallelisation).
+This data set defines the domain size, the grid data, the domain decomposition features (MPI parallelisation characteristics : number of MPI processes connected to subdomains and how they are distributed over the domain) and the number of threads also used to split the domain (OpenMP parallelization).
+===== Full data set of the namelist =====
+   &Domain_Features Geometric_Layout               = 0,
+                    Start_Coordinate_I_Direction   =-0.05 ,
+                    End_Coordinate_I_Direction     = 0.05,
+                    Start_Coordinate_J_Direction   =-0.05 ,
+                    End_Coordinate_J_Direction     = 0.05,
+                    Start_Coordinate_K_Direction   = 0.00 ,
+                    End_Coordinate_K_Direction     = 0.00,
+                    Cells_Number_I_Direction       = 80 ,
+                    Cells_Number_J_Direction       = 60 ,
+                    Cells_Number_K_Direction       = 1,
+                    Number_OMP_Threads             = 1,
+                    MPI_Cartesian_Topology         = .false. ,
+                    MPI_Graphic_Topology           = .false. ,
+                    Total_Number_MPI_Processes     = 1,
+                    Max_Number_MPI_Proc_I_Direction= 1 ,
+                    Max_Number_MPI_Proc_J_Direction= 1,
+                    Max_Number_MPI_Proc_K_Direction= 1,
+                    Regular_Mesh                   = .true. /
+{{ :sunfluidh:sketch_domain_2d.jpg?direct&600 |}}
+<note important>
+In domain decomposition approach (MPI parallelization), the number of cells (Cells_Number_I_Direction, Cells_Number_J_Direction, Cells_Number_K_Direction) is related to each subdomain , __not the whole domain__.
+Find some examples [[Domain_Features_Examples | here ]]. </note>
+-----
+===== Definition of the data set =====
 -----
 ==== Geometric_Layout ====
@@ Ligne 8: / Ligne 37: @@
        * 1: Cylindrical geometry. The axis is oriented along the K-direction. The coordinate system is $r(i), \theta(j) , z(k)$
        * 2: Cylindrical geometry. The axis is oriented along the I-direction. The coordinate system is $r(j), \theta(k) , z(i)$
        * 3: Cylindrical geometry. The axis is oriented along the J-direction. The coordinate system is $r(k),\theta(i),z(j)$
+       * Default value = 0
 ==== Start_Coordinate_I_Direction ===
    * Type : real value
    * Origin coordinate along the I-direction.
+   * Default value must be set by the user
 ==== Start_Coordinate_J_Direction ====
    * Type : real value
    * Origin coordinate along the J-direction.
+   * Default value must be set by the user
 ==== Start_Coordinate_K_Direction ====
    * Type : real value
    * Origin coordinate along the K-direction.
+   * Default value must be set by the user
 ==== End_Coordinate_I_Direction ===
    * Type : real value
    * End coordinate along the I-direction.
+   * Default value must be set by the user
 ==== End_Coordinate_J_Direction ====
    * Type : real value
    * End coordinate along the J-direction.
+   * Default value must be set by the user
 ==== End_Coordinate_K_Direction ====
    * Type : real value
    * End coordinate along the K-direction.
+   * Default value must be set by the user
 ==== Cells_Number_I_Direction ====
    * Type : integer value
-   * Number of cells along the I-direction, excluding the ghost-cells)
+   * Number of cells along the I-direction (excluding the ghost-cells).  \\ In decomposition domain approach (MPI parallelization), the number of cells is related to each subdomain , __not the whole domain__.
+   * Default value= 0
 ==== Cells_Number_J_Direction ====
    * Type : integer value
-   * Number of cells along the J-direction, excluding the ghost-cells)
+   * Number of cells along the J-direction (excluding the ghost-cells). \\ In decomposition domain approach (MPI parallelization), the number of cells is related to each subdomain , __not the whole domain__.
+   * Default value= 0
 ==== Cells_Number_K_Direction ====
    * Type : integer value
-   * Number of cells along the K-direction, excluding the ghost-cells)
+   * Number of cells along the K-direction (excluding the ghost-cells) \\ In decomposition domain approach (MPI parallelization), the number of cells is related to each subdomain , __not the whole domain__.
+   * Default value= 0
 ==== Number_OMP_Threads ====
-   * integer value
+   * integer value (__** Not for the release SUNFLUIDH_EDU**__ ).
    * Number of Threads for OpenMP parallelization
+   * Default value= 1
 ==== MPI_Cartesian_Topology ====
-   * Type : Boolean value
+   * Type : Boolean value (__** Not for the release SUNFLUIDH_EDU**__ ).
    * Select the MPI cartesian topology for the domain decomposition method (same number of subdomains along a given direction)
-   * ==== MPI_Topology_Topology ====
+   * Default value= .false.
-   * Type : Boolean value
+==== MPI_Graphic_Topology ====
+   * Type : Boolean value (__** Not for the release SUNFLUIDH_EDU**__ ).
    * Select the MPI graphic topology for the domain decomposition method (the number of subdomain along a given direction is variable)
+   * Default value= .false.
 ==== Total_Number_MPI_Processes ====
-   * Type : integer value
+   * Type : integer value (__** Not for the release SUNFLUIDH_EDU**__ ).
    * Total number of MPI processes used in the domain decomposition method
+   * Default value= 1
 ==== Max_Number_MPI_Proc_I_Direction ====
-   * Type : integer value
+   * Type : integer value (__** Not for the release SUNFLUIDH_EDU**__ ).
    * Number of MPI processes along the I-direction (maximum number for the graphic topology)
+   * Default value= 1
 ==== Max_Number_MPI_Proc_J_Direction ====
-   * Type : integer value
+   * Type : integer value (__** Not for the release SUNFLUIDH_EDU**__ ).
    * Number of MPI processes along the J-direction (maximum number for the graphic topology)
+   * Default value= 1
 ==== Max_Number_MPI_Proc_K_Direction ====
-   * Type : integer value
+   * Type : integer value (__** Not for the release SUNFLUIDH_EDU**__ ).
    * Number of MPI processes along the K-direction (maximum number for the graphic topology)
+   * Default value= 1
 ==== Regular_Mesh ====
    * Type : boolean value
    * if .true., the mesh size is regular along each direction and the gris is directly built by the code.
-   * If .false., the grid is irrgular and the cell distribution is read in the specific files maillx_xxxxx.d, mailly_xxxxx.d and maillz_xxxxx.d (xxxxx corresponds to the subdomain/MPI-process number if the MPI domain-decomposition is used). These files are created from the mesh builder named meshgen.x.
+   * If .false., the grid is irregular and the cell distribution is read in the specific files maillx_xxxxx.d, mailly_xxxxx.d and maillz_xxxxx.d (xxxxx corresponds to the subdomain/MPI-process number if the MPI domain-decomposition is used). These files are created from the mesh builder named meshgen.x.
+   * Default value= .true.