Reference problem
=====================


Geometry
---------


.. image:: images/10000CE40000302A00001776CBFC0975FF75E5B7.svg
    :width: 621
    :height: 302


.. _RefImage_10000CE40000302A00001776CBFC0975FF75E5B7.svg:


Material properties
-----------------------

:math:`E\mathrm{=}210000\mathit{MPa}`

:math:`\nu =0.3`

:math:`\rho =7.8{10}^{-6}\mathrm{kg}/{\mathrm{mm}}^{3}`

:math:`{S}_{u}=1000\mathit{MPa}` (stress at break)

:math:`{S}_{l}=500\mathit{MPa}` (endurance limit)


Boundary conditions and loads
-------------------------------------

Embedding the end of the upper web in the hub (hatched area).