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

Geometry
---------


.. image:: images/10000E5E0000271100000F9B93FE671BF68891AD.svg
    :width: 504
    :height: 201


.. _RefImage_10000E5E0000271100000F9B93FE671BF68891AD.svg:


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

.. csv-table::

    "For the span:", ":math:`E=7.\mathrm{E10}\mathrm{Pa}` "," :math:`\nu =0.3` "," :math:`\rho =2700\mathrm{kg}/{m}^{3}`"
    "For posts:", ":math:`E=5.\mathrm{E10}\mathrm{Pa}` "," :math:`\nu =0.3` "," :math:`\rho =2500\mathrm{kg}/{m}^{3}`"



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

Embedding at the foot of the posts.

Force Evolution :math:`F`:


.. image:: images/100002CE000015E90000099DF2C5C0D9461B84F4.svg
    :width: 504
    :height: 201


.. _RefImage_100002CE000015E90000099DF2C5C0D9461B84F4.svg:


Initial conditions
--------------------

Static equilibrium position; zero speed.