geometry changes : panel to cube

dG3D/benchmarks/panelSphereContact/simplifypanelSphereContact.geo

 // GEOMETRY AND MESH PARAMETERS
-lays = 3; // number of layers of the composite (must be an integer)
+lays = 10; // number of layers of the composite (must be an integer)
 mm=1e-3; // unit for geometry
-Lx = 150*mm; // panel length in x direction (coarse mesh)
-Ly = 100*mm; // panel length in y direction (coarse mesh)
-Lz = 10*mm; // length in z direction
-R = 8*mm; // sphere radius
+Lx = 150*mm; // panel length in x direction
+Ly = 150*mm; // panel length in y direction
+Lz = 100*mm; // length in z direction
+R = 20*mm; // sphere radius
 dis = 0.1*mm; // initial contact distance 
 slp = 10*mm; // panel characteristic length
 sls = 10*mm; // sphere characteristic length
-// sl3 = R;
-pT1 = 15; // panel transfinite line value (control nodes number by line)
-pT2 = 10; // panel transfinite line value (control nodes number by line)
+pT = 15; // panel transfinite line value (control nodes number by line)
 sT = 3; // sphere transfinite line value (control nodes number by line)
 //
 //////////////////////////
@@ -34,8 +32,7 @@ Line Loop(1)={1,2,3,4};
 Plane Surface(1)={1};
 
 // replace unstructured grid by structured grid (with controlled nodes number by line)
-Transfinite Line {1,3} = pT2 Using Progression 1;
-Transfinite Line {2,4} = pT1 Using Progression 1;
+Transfinite Line {1,2,3,4} = pT Using Progression 1;
 // transfinite surface guarantee a structured grid on a surface
 Transfinite Surface {1};