Reference problem ===================== Geometry --------- Material properties ----------------------- Hyper-elastic behavior of SAINT VENANT - KIRCHHOFF: .. image:: images/Object_1.svg :width: 436 :height: 46 .. _RefImage_Object_1.svg: Boundary conditions and loads ------------------------------------- The load is applied in two stages: first, an overall rotation of the structure, followed by traction exerted by subsequent forces. For B modeling, the value of :math:`p` depends on the coordinate :math:`Y`.