Différences

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

--- sunfluidh:domain_features_namelist [2016/10/09 13:29] – 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. In opposite way, 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 .true., the mesh size is regular along each direction and the gris is directly built by the code.
+   * 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.