update step-49 gmsh script

git-svn-id: https://svn.dealii.org/trunk@28334 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/examples/step-49/untitled.geo b/deal.II/examples/step-49/untitled.geo
index 25f53d543ee9174c91654126c6660fa8acd7261f..95e422dc868d97df950c42d8bd9ea1c93bfd6182 100644 (file)
--- a/deal.II/examples/step-49/untitled.geo
+++ b/deal.II/examples/step-49/untitled.geo
@@ -1,5 +1,5 @@
 cl1 = 1;
-// Box:
+
 Point(1) = {-1, 0.3, 0, 1};
 Point(2) = {0.5, 0.3, 0, 1};
 Point(3) = {-1, -0.5, 0, 1};
@@ -15,19 +15,24 @@ Point(12) = {0.1, -0.1, 0, 1};
 Point(13) = {0.2, 0.0, 0, 1};
 Point(14) = {0.3, -0.1, 0, 1};
 
+// lines of the outer box:
 Line(1) = {1, 2};
 Line(2) = {4, 2};
 Line(3) = {1, 3};
 Line(4) = {3, 4};
+
+// the first cutout:
 Ellipse(5) = {8, 7, 11, 9};
 Ellipse(6) = {9, 7, 11, 10};
 Ellipse(7) = {8, 7, 10, 11};
 Ellipse(8) = {11, 7, 8, 10};
 
+// the second cutout:
 Line(9) = {12, 13};
 Line(10) = {13, 14};
 Line(11) = {14, 12};
 
+// loops of the outside and the two cutouts
 Line Loop(12) = {1, -2, -4, -3};
 Line Loop(14) = {5, 6, -8, -7};
 Line Loop(15) = {9,10,11};
@@ -42,6 +47,7 @@ Physical Line(2) = {9, 10, 11};
 Plane Surface(16) = {12, 14, 15};
 Physical Surface(17) = {16};
 
+// some parameters for the meshing:
 Mesh.Algorithm = 8;
 Mesh.RecombineAll = 1;
 Mesh.CharacteristicLengthFactor = 0.09;