TUT: rhoSimpleFoam/squareBend - added example use of isentropic pressure

tutorials/compressible/rhoSimpleFoam/squareBend/system/controlDict

@@ -53,6 +53,7 @@ functions
     #include "sampling"
     // #include "samplingDebug"
     // #include "sampleCellCentres"
+    #include  "isentropicTotalPressure"
 }
 
 

tutorials/compressible/rhoSimpleFoam/squareBend/system/isentropicTotalPressure

+isentropicPressure
+{
+    type            pressure;
+    libs            ("libfieldFunctionObjects.so");
+    enabled         yes;
+    writeControl    writeTime;
+    calcIsen        yes;
+    calcTotal       no;
+    calcCoeff       no;
+    result          isenTropicP;
+}