/* --------------------------------------------------------------------------
    This is a sample gmsh geometry file
   --------------------------------------------------------------------------*/

/* defining some parameters */

res = 0.5e-1;

R = 1;

Point(1) = {0,0,0,res};
Point(2) = {R,0,0,res};
Point(3) = {-R,0,0,res};


/* defining the lines */

Circle(1) = {2,1,3};
Circle(2) = {3,1,2};

/* defining the surfaces */

Line Loop(4) = {1,2};
Plane Surface(5) = {4};


/* defining the physical entities (for which elements will be saved) */


Physical Line(1001) = {1,2};
Physical Surface(101) = {5} ;


