Reference problem ===================== Geometry --------- Consider a square and a discrete element with the following coordinates. .. image:: images/10000000000003FA000003451C648A89227C7CC9.png :width: 3.0138in :height: 2.6382in .. _RefImage_10000000000003FA000003451C648A89227C7CC9.png: Material properties ---------------------- .. csv-table:: ":math:`E\mathrm{=}\mathrm{4000000MPa}` ", "Young's module" ":math:`\nu \mathrm{=}0` ", "Poisson's ratio" Boundary conditions and loads ------------------------------------- The nodes in the square with coordinates :math:`(\mathrm{0,0}\mathrm{,0})` and :math:`(\mathrm{100,0}\mathrm{,0})` are locked next :math:`\mathit{DX}`, :math:`\mathit{DY}`. The node in the coordinate square :math:`(\mathrm{60,50}\mathrm{,0})` is stuck next :math:`\mathit{DY}`. The node in the :math:`(\mathrm{60,50}\mathrm{,0})` coordinate cube is subject to a :math:`\mathit{FX}\mathrm{=}100` nodal force. Initial conditions -------------------- Néant .. _refheading__31295122: