potentialFoam: added "noFunctionObjects" option

applications/solvers/basic/potentialFoam/potentialFoam.C

@@ -39,6 +39,12 @@ int main(int argc, char *argv[])
 {
     argList::addBoolOption("writep", "write the final pressure field");
 
+    argList::addBoolOption
+    (
+        "noFunctionObjects",
+        "do not execute functionObjects"
+    );
+
     #include "setRootCase.H"
     #include "createTime.H"
     #include "createMesh.H"
@@ -51,7 +57,10 @@ int main(int argc, char *argv[])
 
     // Since solver contains no time loop it would never execute
     // function objects so do it ourselves.
-    runTime.functionObjects().start();
+    if (!args.optionFound("noFunctionObjects"))
+    {
+        runTime.functionObjects().start();
+    }
 
     adjustPhi(phi, U, p);
 
@@ -103,8 +112,10 @@ int main(int argc, char *argv[])
         p.write();
     }
 
-    runTime.functionObjects().end();
-
+    if (!args.optionFound("noFunctionObjects"))
+    {
+        runTime.functionObjects().end();
+    }
 
     Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
         << "  ClockTime = " << runTime.elapsedClockTime() << " s"