Utility to perform averaging over similar fields.

applications/utilities/rSmoother/Make/files

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+rSmoother.C
+
+EXE=$(CFDEM_APP_DIR)/rSmoother

applications/utilities/rSmoother/Make/options

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+include $(CFDEM_ADD_LIBS_DIR)/additionalLibs
+
+EXE_INC = \
+    -I$(CFDEM_OFVERSION_DIR) \
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
+    -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
+    -I$(LIB_SRC)/transportModels \
+    -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
+    -I$(CFDEM_SRC_DIR)/lagrangian/cfdemParticle/lnInclude \
+    -I$(CFDEM_SRC_DIR)/lagrangian/cfdemParticle/cfdTools \
+    -I$(CFDEM_SRC_DIR)/recurrence/lnInclude \
+    -I$(CFDEM_SRC_DIR)/lagrangian/cfdemParticle/derived/cfdemCloudRec \
+
+EXE_LIBS = \
+    -L$(CFDEM_LIB_DIR)\
+    -lrecurrence \
+    -lturbulenceModels \
+    -lincompressibleTurbulenceModels \
+    -lincompressibleTransportModels \
+    -lfiniteVolume \
+    -lmeshTools \
+    -l$(CFDEM_LIB_NAME) \
+     $(CFDEM_ADD_LIB_PATHS) \
+$(CFDEM_ADD_LIBS)

applications/utilities/rSmoother/createFields.H

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+ volVectorField U_smooth
+    (
+        IOobject
+        (
+            "U_smooth",
+            runTime.timeName(),
+            mesh,
+            IOobject::NO_READ,
+            IOobject::AUTO_WRITE
+        ),
+        mesh,
+        dimensionedVector("zero", dimensionSet(0,1,-1,0,0,0,0), vector(0.0, 0.0, 0.0))
+    );

applications/utilities/rSmoother/rSmoother.C

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+/*---------------------------------------------------------------------------*\
+    CFDEMcoupling academic - Open Source CFD-DEM coupling
+    
+    Contributing authors:
+    Thomas Lichtenegger
+    Copyright (C) 2015- Johannes Kepler University, Linz
+-------------------------------------------------------------------------------
+License
+    This file is part of CFDEMcoupling academic.
+
+    CFDEMcoupling academic is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    CFDEMcoupling academic is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with CFDEMcoupling academic.  If not, see <http://www.gnu.org/licenses/>.
+
+Application
+    rSmoother
+
+Description
+    Loops over all recurrence times and averages fields over given similarity range
+
+
+\*---------------------------------------------------------------------------*/
+
+// #include "fvCFD.H"
+// #include "singlePhaseTransportModel.H"
+// #include "turbulentTransportModel.H"
+// #include "fvOptions.H"
+
+#include "recBase.H"
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    #include "postProcess.H"
+    #include "setRootCase.H"
+    #include "createTime.H"
+    #include "createMesh.H"
+    #include "createControl.H"
+  
+ 
+    recBase recurrenceBase(mesh);
+
+    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    // set time step to that of recurrence database
+    runTime.setDeltaT(recBase.recM().recTimeStep());
+
+    scalar threshold = 0.5;
+    label index = -1;
+
+    Info<< "\nSmoothing recurrence statistics\n" << endl;
+    
+    while (runTime.run())
+    {
+        // runtime can't be larger than recurrence database size
+        index = runTime.timeIndex();
+	#include "updateFields.H"
+        runTime++;
+        recTimeIndex++;
+    }
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

applications/utilities/rSmoother/updateFields.H

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+Info << "averaging fields for time = " << runTime.value() <<", time index = " << index << endl;
+
+U_smooth = recurrenceBase.recM().exportAveragedVolVectorField("U", threshold, index);
+U_smooth.write();