// http://perso.ensta-paristech.fr/~kielbasi/docs/gmsh.pdf
lc =0.2; // parametre de taille de maille
// generation du rectangle
Point (1) = {0, 0, 0, lc} ;
Point (2) = {2, 0, 0, lc} ;
Point (3) = {2, 1, 0, lc} ;
Point (4) = {0, 1, 0, lc} ;
Line (1) = {1, 2};
Line (2) = {2, 3};
Line (3) = {3, 4};
Line (4) = {4, 1};
// generation de l'ellipse
Point (5) = {1, 0.5, 0, lc} ;
Point (6) = {1.5, 0.5, 0, lc} ;
Point (7) = {1, 0.75, 0, lc} ;
Point (8) = {0.5, 0.5, 0, lc} ;
Point (9) = {1, 0.25, 0, lc} ;
Ellipse (5) = {6, 5, 6, 7} ;
Ellipse (6) = {7, 5, 8, 8} ;
Ellipse (7) = {8, 5, 8, 9} ;
Ellipse (8) = {9, 5, 6, 6} ;
// generation des contour
Line Loop (1) = { 1 , 2 , 3 , 4 } ;
Line Loop (2) = { 5 , 6 , 7 , 8 } ;
// generation de la surface
Plane Surface (1) = {1 ,2};