****calcul mechanical
  ***mesh plane_stress
    **file plate_elliptic_hole.geof
  ***resolution 
   **sequence
    *time 1.
    *increment 1
  ***material
     *this_file
  ***bc
   **impose_nodal_dof
     x0 U1 0.0
     y0 U2 0.0
   **pressure x1 100. time
              y1 100. time
  ***output
  %**curve stress_x0.test
  % *liset_var x0 X Y sig11 sig22 sig12
  %**curve stress_y0.test
  % *liset_var y0 X Y sig11 sig22 sig12
  %**curve stress_layer_0.test  *liset_var layer_0 X Y sig11 sig22 sig12
****return

***behavior gen_evp
 **elasticity isotropic
   young 200000.
   poisson 0.3
***return