Différences

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

--- datasetmeca:chflow_2 [2020/10/27 13:48] – créée yann
+++ datasetmeca:chflow_2 [2021/12/15 17:17] (Version actuelle) – yann
@@ Ligne 2: / Ligne 2: @@
-**Author** :  Y. Fraigneau  CNRS-LIMSI (yann.fraigneau@limsi.fr) \\
+**Author** :  Y. Fraigneau  CNRS-LIMSI (yann.fraigneau@lisn.fr) \\
-**Date**   :  August 2020\\
+**Date**   :  June 2020\\
+**Simulation type** : DNS ([[https://sunfluidh.lisn.upsaclay.fr|Sunfluidh code]])
 **Location** : DATABASE_CHANNELFLOW_RETAU180_DNS \\
-**Simulation type** : DNS ([[https://sunfluidh.limsi.fr|Sunfluidh code]])
+**Status ** : Free access \\
+**Data size** : ~ 13 Gb \\
 {{:datasetmeca:chflow_ret590.png?900|}}
 \\
-[[:start|Come back to previous page]]
+[[:start|Come back to first page]]
 -----
 ==== Simulation settings ====
 ----
-=== Sketch ===
+=== 2D sketch ===
-{{ :datasetmeca:sketch_chflow.jpg?600 |}}
+{{ :datasetmeca:sketch_chflow180.jpg?800 |}}
 === Referential : cartesian geometry ===
@@ Ligne 41: / Ligne 44: @@
    * velocity   : $U^*=\frac{U}{u_*}$
    * density    : $\rho^*= \rho/\rho_0= 1$
-   * coordinates : $x*=\frac{x}{h}$, $y^*=\frac{y}{h}$ , $z^*\frac{z}{h}$
+   * coordinates : $x*=\frac{x}{h}$, $y^*=\frac{y}{h}$ , $z^*=\frac{z}{h}$
 === Computational domain ===
@@ Ligne 53: / Ligne 56: @@
       * Periodicity     : lateral ends of the domain in $x$ and $z$ directions
   - **Spatial resolution**   :
-       * Grid   :  $96 \times 128 \times 96$ per subdomain (1.179.648 cells over the domain)
+       * Grid   :  $96 \times 128 \times 96$ (1.179.648 cells over the domain)
        * About cell-size
           * $\Delta x_{min}^*= \Delta x_{max}^*= 6.545 \,10^{-2}$ (downstream direction)
@@ Ligne 60: / Ligne 63: @@
 ----
-==== Data Recording : information about data types ====
+==== Data features ====
 ----
    * **Time series from probes**
       * Physical quantities : velocity components along x, y and z directions (u,v,w) and  pressure (p)
-      * 9 probes
+      * 7 probes
-      * Time step= 0.001 time unit
+      * Time step= 0.0126 time unit
-      * Time range : 16.64 to 199.44 time units
+      * Time range : 97.09 to 301.09 time units
-      * Locations (In vertical plan at $y=1.0$)
+      * Locations (In vertical plan at $z=1.57$)
-          * Xi= 1.00, Xj= 1.00 , Xk= 0.10 - MPI Subdomain ID : 20
+          * Xi= 3.14, Xj= 0.25 , Xk= 1.57
-          * Xi= 1.00, Xj= 1.00 , Xk= 0.25 - MPI Subdomain ID : 21
+          * Xi= 3.14, Xj= 0.75 , Xk= 1.57
-          * Xi= 1.00, Xj= 1.00 , Xk= 0.50 - MPI Subdomain ID : 21
+          * Xi= 3.14, Xj= 1.00 , Xk= 1.57
-          * Xi= 1.00, Xj= 1.00 , Xk= 0.75 - MPI Subdomain ID : 21
+          * Xi= 3.14, Xj= 1.25 , Xk= 1.57
-          * Xi= 1.00, Xj= 1.00 , Xk= 1.00 - MPI Subdomain ID : 21
+          * Xi= 3.14, Xj= 1.50 , Xk= 1.57
-          * Xi= 1.00, Xj= 1.00 , Xk= 1.25 - MPI Subdomain ID : 22
+          * Xi= 3.14, Xj= 1.75 , Xk= 1.57
-          * Xi= 1.00, Xj= 1.00 , Xk= 1.50 - MPI Subdomain ID : 22
-          * Xi= 1.00, Xj= 1.00 , Xk= 1.75 - MPI Subdomain ID : 22
-          * Xi= 1.00, Xj= 1.00 , Xk= 1.90 - MPI Subdomain ID : 23
-      * File name (per physical quantity): x_ins_yyyyy.d   with x= u,v,w,p and 'yyyyy' the MPI subdomain ID
+      * File name (per physical quantity): x_ins_00000.d   with x= u,v,w,p
    * **3D snapshots**
          * Instantaneous fields : velocity components in x, y and z directions (U,V,W) and pressure (P)
-         * Recording rate : 0.01 time units
+         * Recording rate : 0.3 time units
-         * Time range from from 16.64 to 199.44
+         * Time range from 97.39 to 301.09 time units
          * File name : res_xxxxx_yyyyyyy.d  (xxxxx : MPI subdomain ID, yyyyyyy : Time ID)
-               * MPI subdomain ID: from 0 to 127
+               * MPI subdomain ID: 0
-               * Time ID : from 9 to 18288
+               * Time ID : from 11 to 690
    * **Statistics**
       * fields : (i,j : indexes of direction x, y or z)
             * Mean fields of velocity components (<Ui>) and pressure (<P>)
-            * Mean fields of square quantities (<P2>, <UiUj>)
+            * Mean fields of quadratic quantities (<P2>, <UiUj>)
-            * Mean field of subgrid scale dynamic viscosity (mu_sg)
-            * Mean field of square mu_sg (musg2)
       * Time average computation
-      * Time startup        = 20.0
+      * Time startup        = 100.0 time units
-      * Time range per file = 5.0
+      * Time range per file = 25.0 time units
-      * Total time range    from  20.0 to 199.44
+      * Total time range from  100.0 to 300 time units
       * file name : rst_xxxxx_yyyyyyy.d  (xxxxx : MPI subdomain ID, yyyyyyy : Time ID)
-            * MPI subdomain ID : from 0 to 127
+            * MPI subdomain ID : 0
             * Time ID : from 1 to 35
@@ Ligne 107: / Ligne 105: @@
 ----
-**Data size** : ~ 5.1 To \\
+**Data size** : ~ 13 Gb \\
-**Main directory** : /vol/DATABASE_MECA/RESTRICTED_ACCESS/DATABASE_CHANNELFLOW_RETAU590_LES \\
+**Main directory** : /vol/DATABASE_MECA/DATABASE_CHANNELFLOW_RETAU180_DNS \\
 For more details about files, see the [[https://sunfluidh.limsi.fr|the wiki doc of Sunfluidh]]
@@ Ligne 135: / Ligne 133: @@
                   files stored in archive files : res_z.tar , z is an ID number (from 1 to 35)
-    /RESTART_AR : backup/restart archive save.tar at time 199.44
+    /RESTART_AR : backup/restart archive save.tar at time 301.09
-    /FROM_COMPUTATION : regroups some directories and files related to the simulation
+    /FROM_COMPUTATION : regroups some files related to the simulation : checkcalc_00000.dat and checkdata_00000.dat
-                              directories : CAS-MPI128-n with n= 5 to 50 (from simulation 5 to 50)
-                              each directory contains files checkcalc_00000.dat and checkdata_00000.dat
-[[:start|Come back to previous page]]
+[[:start|Come back to first page]]