comparing results with master

srcs/FEM/uniform_charge.geo

 Lx = 10;
 Ly = 1;
-nx = 20;
-ny = 2;
+nx = 200;
+ny = 20;
 
 Point(1) = {0, 0, 0, 1.0};
 Point(2) = {Lx, 0, 0, 1.0};

srcs/hybrid_geo.geo

-scale = 1e-6;
+scale = 4e-6;
 Lx_poutre = 5*scale;
 Ly_poutre = 2*scale;
 h_poutre = 2*scale;
 h_tot = 10*scale;
 width = 10*scale;
-nx = 10; // prend beaucoup de temps àpd de 200x40
-ny = 4;
+nx = 100; // prend beaucoup de temps àpd de 200x40
+ny = 40;
 
 Point(1) = {0, h_poutre, 0, 2};
 Point(2) = {Lx_poutre, h_poutre, 0, 2};