Différences

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

--- datasetmeca:ffsflow_2 [2021/07/07 15:07] – yann
+++ datasetmeca:ffsflow_2 [2024/02/13 18:24] (Version actuelle) – [Database organisation] yann
@@ Ligne 1: / Ligne 1: @@
-===== 3D forward-facing step flow at $Re_H= 8000$ (turbulent inflow) =====
+===== 3D forward-facing step flow at $Re_H= 8304$ (turbulent inflow) =====
 <note info>
@@ Ligne 5: / Ligne 5: @@
 </note>
+**Author** :  Y. Fraigneau, LISN, UMR CNRS 9015 (yann.fraigneau@lisn.fr) \\
-**Author** :  Y. Fraigneau  CNRS-LIMSI (yann.fraigneau@lisn.fr) \\
 **Date**   :  August 2020\\
-**Simulation type** : DNS ([[https://sunfluidh.limsi.fr|Sunfluidh code]]) \\
+**Simulation type** : DNS (code Sunfluidh -- [[https://sunfluidh.lisn.upsaclay.fr|Sunfluidh code]]) \\
-**Location** : DATABASE_FORWARDFACINGSTEPFLOW2_RE8000_DNS \\
+**Location** : DATABASE_FORWARDFACINGSTEPFLOW2_RE8000_DNS   \\
 **Status** : Restricted access \\
-**Data size** : ~ 5.2 Tb
+**Data size** : ~ 8.6 Tb \\
 {{ :flowstructure_ffs_turb_pview.png?900 |}}
+\\
+[[https://sunfluidh.lisn.upsaclay.fr/doku.php?id=sunfluidh:sunfluidh_gallery]| A video is available here ]]
 \\
@@ Ligne 24: / Ligne 26: @@
 === 2D sketch ===
-{{ :datasetmeca:ffs_sketch.jpg?800 |}}
+{{ :datasetmeca:sketch_ffs_turb.jpg?600 |}}
 === Referential : cartesian geometry ===
@@ Ligne 42: / Ligne 45: @@
    * Velocity          : inlet bulk velocity ($U_i$)
    * Dynamic viscosity : dynamic viscosity of the fluid ($\mu_0$)
-   * Reynolds number : $Re_H= \frac{\rho_0.U_0.H}{\mu_0}= 8000$
+   * Reynolds number : $Re_H= \frac{\rho_0.U_0.H}{\mu_0}= 8304$
 === Non-dimensionalised data ===
@@ Ligne 85: / Ligne 88: @@
       * Physical quantities : velocity components along x, y and z directions (u,v,w) and  pressure (p)
       * 5 probes
-      * Time step= 0.0126 time unit
+      * Time step= 0.00945 time unit
-      * Time range : 188.37 to 396.87 time units
+      * Time range : from 120 to 700 time units
       * Locations (In vertical plan at $z=1.57$)
           * Xi=-0.250 , Xj= 0.250 , Xk= 1.57 - MPI Subdomain ID :
@@ Ligne 99: / Ligne 102: @@
          * Instantaneous fields : velocity components in x, y and z directions (U,V,W) and pressure (P)
          * first dataset :
-             * Recording rate : **0.9** time units
+             * Recording rate : **0.5** time units
-             * Time range from 189.877 to 303.877 time units
+             * Time range from 120 to 729 time units
              * File name : res_xxxxx_yyyyyyy.d  (xxxxx : MPI subdomain ID, yyyyyyy : Time ID)
                * MPI subdomain ID: from 0 to 199
-               * Time ID : from 69 to 195
+               * Time ID : from 53 to 1270
-         * second dataset :
-             * Recording rate : **0.3** time units
-             * Time range from 303.877 to 396.877 time units
-             * File name : res_xxxxx_yyyyyyy.d  (xxxxx : MPI subdomain ID, yyyyyyy : Time ID)
-               * MPI subdomain ID: from 196 to 199
-               * Time ID : from 196 to 505
    * **2D slices**
          * Instantaneous fields : velocity components in x, y and z directions (U,V,W) and pressure (P)
-         * Recording rate : 0.3 time units
+         * Recording rate : **0.1** time units
-         * Time range from from 189.877 to 396.877 time units
+         * Time range from 120 to 729 time units
-         * 3 slices are considered :
+         * 4 slices are considered :
-           * slice 1 : normal direction k - position : z= 1.57 - MPI subdomains ID :
+           * slice 1 : normal direction z - position : z= 1.57 - MPI subdomains ID :
-                 * MPI subdomains ID :  1 to  197 with a stride of 4
+                 * MPI subdomains ID :  1 to  197
-           * slice 2 : normal direction x - position : x=-0.01
+           * slices 4,5,6 : Wall pressure only
-                 * MPI subdomains ID :  64 to  79
+                *  File name : slice_n_idir_xxxxx_yyyyyyy.d  (n : slice number ID, idir : direction= 1: x(i), 2: y(j), 3: z(k), xxxxx : MPI subdomain ID, yyyyyyy : Time ID)
-           * slice 3 : normal direction y - position : y= 1.30
+                 * slice 4 : normal direction y - position : y= 0.0 **WARNING : available only from Time ID = 139 (corresponding to time > 386)**
+                 * slice 5 : normal direction x - position : x= 0.0
+                 * slice 6 : normal direction y - position : y= 1.0
                  * MPI subdomains ID :  4 to  7
                  * MPI subdomains ID : 20 to 23
@@ Ligne 136: / Ligne 135: @@
                  * MPI subdomains ID :176 to 179
                  * MPI subdomains ID :188 to 191
-           * File name : slice_n_idir_xxxxx_yyyyyyy.d  (n : slice number ID, idir : direction= 1: x(i), 2: y(j), 3: z(k), xxxxx : MPI subdomain ID, yyyyyyy : Time ID)
+                 * Time ID : from 54 to 6363
-               * MPI subdomain ID: ??
-               * Time ID : from 748 to ??
    * **Statistics**
@@ Ligne 145: / Ligne 142: @@
             * Mean fields of quadratic quantities (<P2>, <UiUj>)
       * Time and space average computation (along the spanwise direction)
-      * Time startup        = 200.0 time units
+      * Time startup        = 100.0 time units
-      * Time range per file = 10.0 time units
+      * Time range per file = 20.0 time units
-      * Total time range    from  200.0  to 390 time units
+      * Total time range    from  100.0  to 720 time units
       * file name : rst_xxxxx_yyyyyyy.d  (xxxxx : MPI subdomain ID, yyyyyyy : Time ID)
             * MPI subdomain ID : from 0 to 49  (MPI process rank where results about space average computation are stored)
-            * Time ID : from 1 to 19
+            * Time ID : from 1 to 31
 [[:start|Come back to first page]]
@@ Ligne 157: / Ligne 154: @@
 ----
-**Data size** : ~ 3.2 Tb \\
+**Data size** : ~ 8.6 Tb \\
-**Main directory** : /vol/DATABASE_MECA/RESTRICTED_ACCESS/DATABASE_BACKFACINGSTEPFLOW_RE6000_DNS \\
+**Main directory** : /vol/DATABASE_MECA/RESTRICTED_ACCESS/DATABASE_FORWARDFACINGSTEPFLOW2_RE8000_DNS \\
 For more details about files, see the [[https://sunfluidh.limsi.fr|the wiki doc of Sunfluidh]]
@@ Ligne 176: / Ligne 173: @@
      data file for MPI subdomain distribution (MPI graphical topology): data_mpi_subdomain_layout.dat
-    /TIMESERIES   : contains time series recorded over the time range [188.37,??]
+    /TIMESERIES   : contains time series recorded over the time range [120,680]
                     ASCII files : x_ins_yyyyy.d   with x= u,v,w,p
-                    time series files are sliced in storage directories CAS-MPI200-n (n from 130 to ??)
+                    time series files are sliced in storage directories CAS-MPI200-n (n from 53 to 255)
-    /SNAPSHOTS    : snapshots binary files res_xxxxx_yyyyyyy.d with a recording rate of 0.9 time unit
+    /SNAPSHOTS    : snapshots binary files res_xxxxx_yyyyyyy.d with a recording rate of 0.5 time unit
                     files stored in archive files : res_yyyyyyy.tar for each time ID
-    /SNAPSHOTS_FS : snapshots binary files res_xxxxx_yyyyyyy.d with a recording rate of 0.3 time unit
-                    files stored in archive files : res_yyyyyyy.tar for each time ID
     /STATISTICS   : statistics binary files files rst_xxxxx_yyyyyyy.d
-                    files stored in archive files : res_z.tar , z is an ID number (from 1 to ??)
+                    files stored in archive files : res_z.tar , z is an ID number (from 1 to 31)
     /SLICES       : slice binary files slice_n_idir_xxxxx_yyyyyyy.d
-                    files stored in archive files : slices_z.tar , z is an ID number (from 131 to ??)
+                    files stored in archive files : slices_z.tar , z is an ID number (from 53 to 255)
-    /RESTART_AR   : backup/restart archive save.tar at time ??
+    /RESTART_AR   : backup/restart archive save_t145.tar and save_t45.tar at time=145 and 454 respectively
 [[:start|Come back to first page]]