tutorials: Add pFinal to PISO settings in icoFoam and mhdFoam tutorials

tutorials/electromagnetics/mhdFoam/hartmann/system/fvSolution

@@ -22,6 +22,12 @@ solvers
         solver          PCG;
         preconditioner  DIC;
         tolerance       1e-06;
+        relTol          0.05;
+    }
+
+    pFinal
+    {
+        $p;
         relTol          0;
     }
 
@@ -32,6 +38,12 @@ solvers
         relTol          0;
     }
 
+    pBFinal
+    {
+        $pB;
+        relTol          0;
+    }
+
     "(U|B)"
     {
         solver          smoothSolver;

tutorials/incompressible/icoFoam/cavity/system/fvSolution

@@ -22,6 +22,12 @@ solvers
         solver          PCG;
         preconditioner  DIC;
         tolerance       1e-06;
+        relTol          0.05;
+    }
+
+    pFinal
+    {
+        $p;
         relTol          0;
     }
 

tutorials/incompressible/icoFoam/cavityClipped/system/fvSolution

@@ -22,6 +22,12 @@ solvers
         solver          PCG;
         preconditioner  DIC;
         tolerance       1e-06;
+        relTol          0.05;
+    }
+
+    pFinal
+    {
+        $p;
         relTol          0;
     }
 

tutorials/incompressible/icoFoam/cavityGrade/system/fvSolution

@@ -22,6 +22,12 @@ solvers
         solver          PCG;
         preconditioner  DIC;
         tolerance       1e-06;
+        relTol          0.05;
+    }
+
+    pFinal
+    {
+        $p;
         relTol          0;
     }
 

tutorials/incompressible/icoFoam/elbow/system/fvSolution

@@ -22,6 +22,12 @@ solvers
         solver          PCG;
         preconditioner  DIC;
         tolerance       1e-06;
+        relTol          0.05;
+    }
+
+    pFinal
+    {
+        $p;
         relTol          0;
     }