more cells close to cylinder, less far apart from it

openfoam2012/freeCylinderFlow/system/blockMeshDict

@@ -38,23 +38,23 @@ sqrHalf #eval{$r * $sqrTod};
 sqr #eval{$sqrHalf * 2};
 rxy #eval{sqrt(0.5)*$r};  // rxy^2 + rxy^2 = r^2, x or y coordinate of point on cylinder in 45°
 
-chi #eval{$N*2*floor(sqrt($Ltod))};  // cells horizontally in front of cylinder-surrounding square
-cho #eval{$N*3*floor(sqrt($Ltod))};  // cells horizontally behind cylinder-surrounding square
-cv  #eval{$N*2*floor(sqrt($Ltod))};  // cells vertically below or above cylinder-surrounding square
-cvs #eval{$N*10*floor(sqrt($sqrTod))};  // cells at vertical side of square
+chi #eval{$N*floor(1.5*sqrt($Ltod))};  // cells horizontally in front of cylinder-surrounding square
+cho #eval{$N*2*floor(sqrt($Ltod))};  // cells horizontally behind cylinder-surrounding square
+cv  #eval{$N*floor(1.5*sqrt($Ltod))};  // cells vertically below or above cylinder-surrounding square
+cvs #eval{$N*8*floor(sqrt($sqrTod))};  // cells at vertical side of square
 chs $cvs;  // cells at horizontal side of square
 // cr  #eval{ceil($cvs * (sqrt(2) * $sqrTod - 1) * 2 / 3.14)};
 // cells in radial direction in square
 // gives roughly square cells at cylinder wall -> sounds like a good idea but grading plays into it as well and the
 // grading is again dependent on cr. So all a mess.
-cr  #eval{$N*5*floor(sqrt($sqrTod))};
+cr  #eval{$N*20*floor(sqrt($sqrTod))};
 
 
-ghi 6;  // grading horizontally in front of square
-gho 8;  // grading horizontall behind the square
-gv  6;  // grading vertically below or above square
+ghi 9;  // grading horizontally in front of square
+gho 11;  // grading horizontall behind the square
+gv  8;  // grading vertically below or above square
 // gvs, ghs not done
-gr #eval{pow(1.05,$cr)};   // grading in radial direction in square
+gr #eval{pow(1.1,$cr)};   // grading in radial direction in square
 /* gr 3;  */
 
 vertices