situation for steady state

openfoam/run/flowAroundCylinder/scale

-N 8;
+N 6;

openfoam/run/flowAroundCylinder/system/blockMeshDict

@@ -21,14 +21,14 @@ rx 3.5355339059327373;
 // = // rx #calc "5.0 / Foam::sqrt(2.0)";  // length of short side of rectangular triangle with long side =5
 
 arcNx #calc "2 * $N";  // 2 so that   2 would be possible (used formerly for pipeNx)
-arcNy #calc "2 * $N";
-arcGradingX 0.2;
+arcNy #calc "4 * $N";
+arcGradingX 1;
 // outer side has length 40  or 41),
 // inner length is 5 * pi/2, so inner cells must be 5 * pi / 2 / 40 times as big:
 // 0.1963, so 0.2 is close enough
-pipeNx #calc "3 * $arcNx";
+pipeNx #calc "4 * $arcNx";
 // is 4.5 times as long as first part around cylinder, but a lot less is happening
-pipeGrading 3;
+pipeGrading 12;
 // should adjust grading in a way that there is no big size difference at boundary between square around cylinder and
 // pipe part
 

openfoam/run/flowAroundCylinder/system/controlDict

@@ -25,14 +25,15 @@ startTime       0;
 
 stopAt          endTime;
 
-endTime         20;
+// endTime         20;
+endTime        2;
 
 //deltaT          #calc "0.02 / $N";
 deltaT          0.02;
 
 writeControl    runTime;
 
-writeInterval   0.5;
+writeInterval   0.02;
 
 purgeWrite      0;
 

openfoam/run/flowAroundCylinder/system/fvSolution

@@ -42,8 +42,8 @@ solvers
 
 PISO
 {
-    nCorrectors     5;
-    nNonOrthogonalCorrectors 0;
+    nCorrectors     6;
+    nNonOrthogonalCorrectors 2;
     pRefCell        0;
     pRefValue       0;
 }