Update CFlowCompOutput.cpp with suggestions from EvertBunschoten

Author: MastermindScope

SU2_CFD/src/output/CFlowCompOutput.cpp

@@ -316,14 +316,14 @@ void CFlowCompOutput::LoadVolumeData(CConfig *config, CGeometry *geometry, CSolv
   SetVolumeOutputValue("DENSITY",    iPoint, Node_Flow->GetSolution(iPoint, 0));
   SetVolumeOutputValue("MOMENTUM-X", iPoint, Node_Flow->GetSolution(iPoint, 1));
   SetVolumeOutputValue("MOMENTUM-Y", iPoint, Node_Flow->GetSolution(iPoint, 2));
-  SetVolumeOutputValue("VELOCITY-X", iPoint, Node_Flow->GetSolution(iPoint, 3));
-  SetVolumeOutputValue("VELOCITY-Y", iPoint, Node_Flow->GetSolution(iPoint, 4));
+  SetVolumeOutputValue("VELOCITY-X", iPoint, Node_Flow->GetPrimitive(iPoint, 1));
+  SetVolumeOutputValue("VELOCITY-Y", iPoint, Node_Flow->GetPrimitive(iPoint, 2));
   if (nDim == 3){
-    SetVolumeOutputValue("MOMENTUM-Z", iPoint, Node_Flow->GetSolution(iPoint, 5));
-    SetVolumeOutputValue("ENERGY",     iPoint, Node_Flow->GetSolution(iPoint, 6));
-    SetVolumeOutputValue("VELOCITY-Z", iPoint, Node_Flow->GetSolution(iPoint, 7));
+    SetVolumeOutputValue("MOMENTUM-Z", iPoint, Node_Flow->GetSolution(iPoint, 3));
+    SetVolumeOutputValue("ENERGY",     iPoint, Node_Flow->GetSolution(iPoint, 4));
+    SetVolumeOutputValue("VELOCITY-Z", iPoint, Node_Flow->GetPrimitive(iPoint, 3));
   } else {
-    SetVolumeOutputValue("ENERGY",     iPoint, Node_Flow->GetSolution(iPoint, 5));
+    SetVolumeOutputValue("ENERGY",     iPoint, Node_Flow->GetSolution(iPoint, 3));
   }
 
   if (gridMovement){