****calcul mechanical
  ***mesh plane_stress
    **file plate_circular_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
  ***output
  % **test stress_x0_elas
  %  *plot
  %  *liset_var x0 X Y sig11 sig22 sig12
  %**test stress_y0_elas
  % *plot
  % *liset_var y0 X Y sig11 sig22 sig12
  %**frequency *at 1.0
****return

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

****post_processing
 ***global_post_processing
  **file integ
% **output_number 1
  **process transform_frame
   *local_frame cylindrical
    (0. 0. 0.) (0. 0. 1.)
   *tensor_variables sig 
  **process node_extrapolation
    *list_var    sig11-rot sig22-rot
    *output_var  sig_rr    sig_tt
 **file node
 %**nset ALL_NODE
  **process gradient Y *var sig_tt
 **file integ
  **elset ALL_ELEMENT
  **process node_extrapolation
    *list_var    gradYsig_tt
    *output_var  NgradYsig_tt
****return