Material_Props:
    Young's_modulus:   100.
    Poissons_ratio:  0.3
No._nodes:             4
Nodal_coords:
    0.0   0.0
    1.0   0.0
    1.0   1.0
    0.0   1.0
No._elements:                    2
Element_connectivity:
    1 2 4
    2 3 4
No._nodes_with_prescribed_DOFs:  3
Node_#, DOF#, Value:
   1 1 0.0
   1 2 0.0
   4 1 0.0
No._elements_with_prescribed_loads: 1
Element_#, Face_#, Traction_components
  2 1 10.0 0.0