Get output from another time step and change T_g threshold (#1201)

Description The ASC applications was not testing all the mobility status after the change of restart files in PR #1181. Solution Change the granular temperature threshold to get the 3 mobility status at the start of the simulation and output the status sooner. Close issue #1182.
chaos-polymtl · Jul 20, 2024 · 8ae0d4d · 8ae0d4d
1 parent cd0612e
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diff --git a/applications_tests/lethe-fluid-particles/adaptive_sparse_contacts.mpirun=1.output b/applications_tests/lethe-fluid-particles/adaptive_sparse_contacts.mpirun=1.output
@@ -1,23 +1,23 @@
 Running on 1 MPI rank(s)...
 DEM time-step is 2.34951% of Rayleigh time step
-Reading DEM checkpoint
-Finished reading DEM checkpoint
-350 particles are in the simulation
+Reading DEM checkpoint 
+Finished reading DEM checkpoint 
+350 particles are in the simulation 
    Number of active cells:       8
    Number of degrees of freedom: 144
    Volume of triangulation:      0.00125
 ---------------------------------------------------------------
-Initializing DEM parameters
-Warning: expansion of particle-wall contact list is disabled.
-This feature is useful in geometries with concave boundaries.
-Finished initializing DEM parameters
-DEM time-step is 2e-05 s
+Initializing DEM parameters 
+Warning: expansion of particle-wall contact list is disabled. 
+This feature is useful in geometries with concave boundaries. 
+Finished initializing DEM parameters 
+DEM time-step is 2e-05 s 
 --------------
 Void Fraction
 --------------
 
 *******************************************************************************
-Transient iteration: 1        Time: 0.001    Time step: 0.001    CFL: 0
+Transient iteration: 1        Time: 0.001    Time step: 0.001    CFL: 0       
 *******************************************************************************
 --------------
 Void Fraction
@@ -30,7 +30,7 @@ DEM
 ----
 DEM contact search at dem step 0
 DEM contact search at dem step 1
-Finished 50 DEM iterations
+Finished 50 DEM iterations 
 ---------------------------------------------------------------
 Global continuity equation error: 2.803e-09 s^-1
 Max local continuity error: 7.07295e-08 s^-1
@@ -44,140 +44,86 @@ Void Fraction
 -------------------------------
 Volume-Averaged Fluid Dynamics
 -------------------------------
-----
-DEM
-----
-DEM contact search at dem step 1
-Finished 50 DEM iterations
----------------------------------------------------------------
-Global continuity equation error: -1.26904e-09 s^-1
-Max local continuity error: 7.28588e-07 s^-1
-
-**********************************************************************************
-Transient iteration: 3        Time: 0.003    Time step: 0.001    CFL: 0.000149645
-**********************************************************************************
---------------
-Void Fraction
---------------
--------------------------------
-Volume-Averaged Fluid Dynamics
--------------------------------
-----
-DEM
-----
-DEM contact search at dem step 1
-Finished 50 DEM iterations
----------------------------------------------------------------
-Global continuity equation error: 3.9841e-09 s^-1
-Max local continuity error: 1.05602e-06 s^-1
-
-**********************************************************************************
-Transient iteration: 4        Time: 0.004    Time step: 0.001    CFL: 0.000224447
-**********************************************************************************
---------------
-Void Fraction
---------------
--------------------------------
-Volume-Averaged Fluid Dynamics
--------------------------------
-----
-DEM
-----
-DEM contact search at dem step 1
-Finished 50 DEM iterations
----------------------------------------------------------------
-Global continuity equation error: 1.16336e-09 s^-1
-Max local continuity error: 1.41713e-06 s^-1
-
-**********************************************************************************
-Transient iteration: 5        Time: 0.005    Time step: 0.001    CFL: 0.000299344
-**********************************************************************************
---------------
-Void Fraction
---------------
--------------------------------
-Volume-Averaged Fluid Dynamics
--------------------------------
 print_from_processor_0
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-4 4 4 4 4 4 4 4
+3 3 3 3 3 3 3 3 
 
 
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+4 4 4 4 4 4 4 4 
 
 
 [deal.II intermediate Patch<3,3>]
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+4 4 4 4 4 4 4 4 
 
 
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 0
@@ -186,7 +132,7 @@ print_from_processor_0
 DEM
 ----
 DEM contact search at dem step 1
-Finished 50 DEM iterations
+Finished 50 DEM iterations 
 ---------------------------------------------------------------
-Global continuity equation error: -8.07686e-10 s^-1
-Max local continuity error: 1.81029e-06 s^-1
+Global continuity equation error: -2.28117e-09 s^-1
+Max local continuity error: 6.96484e-07 s^-1
diff --git a/applications_tests/lethe-fluid-particles/adaptive_sparse_contacts.prm b/applications_tests/lethe-fluid-particles/adaptive_sparse_contacts.prm
@@ -13,7 +13,7 @@ subsection simulation control
   set output frequency     = 0
   set log frequency        = 1
   set startup time scaling = 0.6
-  set time end             = 0.005
+  set time end             = 0.002
   set time step            = 0.001
 end
 
@@ -51,7 +51,7 @@ subsection model parameters
   subsection adaptive sparse contacts
     set enable adaptive sparse contacts = true
     set enable particle advection       = true
-    set granular temperature threshold  = 1e-4
+    set granular temperature threshold  = 5e-4
     set solid fraction threshold        = 0.1
   end
 end