BUG: redistributePar: handle lagrangian in decompose mode. See !605

- only affects recent develop
- fixed by supplying invalid casename for non-master ranks

applications/utilities/parallelProcessing/redistributePar/redistributePar.C

@@ -2858,7 +2858,19 @@ int main(int argc, char *argv[])
                 InfoOrPout
                     << "Setting caseName to " << baseRunTime.caseName()
                     << " to read lagrangian" << endl;
-                runTime.caseName() = baseRunTime.caseName();
+                if (UPstream::master())
+                {
+                    // Change case name but only on the master - this will
+                    // hopefully cause the slaves to not read.
+                    runTime.caseName() = baseRunTime.caseName();
+                }
+                else
+                {
+                    // Explicitly make sure that casename is not recognised as
+                    // a processor case since that has special handling for
+                    // caching processor directories etc.
+                    runTime.caseName() = "#invalid-name#";
+                }
                 runTime.processorCase(false);
             }
 

tutorials/discreteMethods/dsmcFoam/freeSpaceStream/Allrun

@@ -9,10 +9,10 @@ runApplication blockMesh
 
 runApplication dsmcInitialise
 
-runParallel redistributePar -decompose -overwrite -withZero
+runParallel -s decompose redistributePar -decompose -overwrite -withZero
 
 runParallel $(getApplication)
 
-runApplication reconstructPar
+runParallel -s reconstruct redistributePar -reconstruct
 
 #------------------------------------------------------------------------------

tutorials/discreteMethods/dsmcFoam/freeSpaceStream/system/controlDict

@@ -34,7 +34,7 @@ purgeWrite      0;
 
 writeFormat     ascii;
 
-writePrecision  10;
+writePrecision  16;
 
 writeCompression off;