TUT: clean up multiphase tutorials

tutorials/multiphase/interFoam/LES/nozzleFlow2D/Allclean

@@ -3,7 +3,7 @@ cd "${0%/*}" || exit                                # Run from this directory
 . ${WM_PROJECT_DIR:?}/bin/tools/CleanFunctions      # Tutorial clean functions
 #------------------------------------------------------------------------------
 
-cleanCase
+cleanCase0
 
 rm -f system/topoSetDict
 

tutorials/multiphase/interFoam/LES/nozzleFlow2D/Allrun

@@ -3,6 +3,8 @@ cd "${0%/*}" || exit                                # Run from this directory
 . ${WM_PROJECT_DIR:?}/bin/tools/RunFunctions        # Tutorial run functions
 #------------------------------------------------------------------------------
 
+restore0Dir
+
 runApplication blockMesh
 
 for i in 1 2

tutorials/multiphase/interFoam/LES/nozzleFlow2D/system/controlDict

@@ -48,6 +48,7 @@ runTimeModifiable yes;
 adjustTimeStep  yes;
 
 maxCo           0.5;
+
 maxAlphaCo      0.5;
 
 maxDeltaT       1e-08;