pimpleNoLoopControl: added predictTransport() function to control the transport modelling prediction

The new optional PIMPLE control transportPredictionFirst is used to select if
the transport modelling predictor is executed ever PIMPLE iteration or only on
the first, which is the default.

Also the transportCorr() function has been renamed correctTransport() for
consistency and the tutorials updated to use the new control name
transportCorrectionFinal instead of the previous name turbOnFinalIterOnly;
support for turbOnFinalIterOnly is maintained for backwards-compatibility.

src/finiteVolume/cfdTools/general/solutionControl/pimpleControl/pimpleControl/pimpleControl.H

@@ -74,12 +74,6 @@ public:
 
         using pimpleSingleRegionControl::run;
 
-        //- Flag to indicate whether to correct the transport properties
-        bool turbCorr() const
-        {
-            return transportCorr();
-        }
-
         //- Flag to indicate the first iteration
         bool firstPimpleIter() const
         {

src/finiteVolume/cfdTools/general/solutionControl/pimpleControl/pimpleNoLoopControl/pimpleNoLoopControl.C

@@ -53,6 +53,7 @@ Foam::pimpleNoLoopControl::pimpleNoLoopControl
     ),
     pimpleLoopPtr_(nullptr),
     simpleRho_(false),
+    transportPredictionFirst_(true),
     transportCorrectionFinal_(true)
 {
     read();
@@ -92,6 +93,9 @@ bool Foam::pimpleNoLoopControl::read()
             mesh().schemes().steady()
         );
 
+    transportPredictionFirst_ =
+        dict().lookupOrDefault<bool>("transportPredictionFirst", true);
+
     transportCorrectionFinal_ =
         dict().lookupOrDefaultBackwardsCompatible<bool>
         (

src/finiteVolume/cfdTools/general/solutionControl/pimpleControl/pimpleNoLoopControl/pimpleNoLoopControl.H

@@ -82,8 +82,12 @@ protected:
         //  rather than PISO mode
         bool simpleRho_;
 
-        //- Switch to control whether turbulence is solved just on the final
-        //  pimple iteration, or on every pimple iteration
+        //- Switch to control whether transport models are predicted
+        //  just on the first pimple iteration, or on every pimple iteration
+        bool transportPredictionFirst_;
+
+        //- Switch to control whether transport models are corrected
+        //  just on the final pimple iteration, or on every pimple iteration
         bool transportCorrectionFinal_;
 
 
@@ -123,8 +127,11 @@ public:
             //- Switch to indicate whether to update the density in simple mode
             inline bool simpleRho() const;
 
-            //- Flag to indicate whether to correct the transport properties
-            inline bool transportCorr() const;
+            //- Flag to indicate whether to predict the transport models
+            inline bool predictTransport() const;
+
+            //- Flag to indicate whether to correct the transport models
+            inline bool correctTransport() const;
 
             //- Flag to indicate the first iteration
             inline bool firstIter() const;

src/finiteVolume/cfdTools/general/solutionControl/pimpleControl/pimpleNoLoopControl/pimpleNoLoopControlI.H

@@ -39,7 +39,13 @@ inline bool Foam::pimpleNoLoopControl::simpleRho() const
 }
 
 
-inline bool Foam::pimpleNoLoopControl::transportCorr() const
+inline bool Foam::pimpleNoLoopControl::predictTransport() const
+{
+    return !transportPredictionFirst_ || firstIter();
+}
+
+
+inline bool Foam::pimpleNoLoopControl::correctTransport() const
 {
     return !transportCorrectionFinal_ || finalIter();
 }

tutorials/modules/fluid/angledDuct/system/fvSolution

@@ -64,7 +64,7 @@ PIMPLE
         }
     }
 
-    turbOnFinalIterOnly no;
+    transportCorrectionFinal no;
 }
 
 relaxationFactors

tutorials/modules/incompressibleFluid/offsetCylinder/system/fvSolution

@@ -47,6 +47,7 @@ PIMPLE
     nOuterCorrectors    5;
     nCorrectors         1;
     nNonOrthogonalCorrectors 0;
+    transportPredictionFirst yes;
 }
 
 

tutorials/modules/incompressibleFluid/planarContraction/system/fvSolution

@@ -52,7 +52,7 @@ PIMPLE
     nNonOrthogonalCorrectors 0;
     pRefCell            0;
     pRefValue           0;
-    turbOnFinalIterOnly no;
+    transportCorrectionFinal no;
 }
 
 relaxationFactors

tutorials/modules/incompressibleFluid/planarCouette/system/fvSolution

@@ -52,7 +52,7 @@ PIMPLE
     nNonOrthogonalCorrectors 0;
     pRefCell            0;
     pRefValue           0;
-    turbOnFinalIterOnly no;
+    transportCorrectionFinal no;
 }
 
 relaxationFactors

tutorials/modules/incompressibleFluid/planarPoiseuille/system/fvSolution

@@ -52,7 +52,7 @@ PIMPLE
     nNonOrthogonalCorrectors 0;
     pRefCell            0;
     pRefValue           0;
-    turbOnFinalIterOnly no;
+    transportCorrectionFinal no;
 }
 
 relaxationFactors

tutorials/multiphase/interFoam/RAS/DTCHullMoving/system/fvSolution

@@ -78,7 +78,7 @@ PIMPLE
 
     correctPhi      yes;
     moveMeshOuterCorrectors yes;
-    turbOnFinalIterOnly yes;
+    transportCorrectionFinal yes;
 }
 
 relaxationFactors

tutorials/multiphase/interFoam/RAS/DTCHullWave/system/fvSolution

@@ -78,7 +78,7 @@ PIMPLE
 
     correctPhi      yes;
     moveMeshOuterCorrectors yes;
-    turbOnFinalIterOnly yes;
+    transportCorrectionFinal yes;
 }
 
 relaxationFactors

tutorials/multiphase/interFoam/RAS/planingHullW3/system/fvSolution

@@ -78,7 +78,7 @@ PIMPLE
 
     correctPhi      yes;
     moveMeshOuterCorrectors yes;
-    turbOnFinalIterOnly yes;
+    transportCorrectionFinal yes;
 }
 
 relaxationFactors