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


Geometry
---------


.. image:: images/100002000000030E00000211E8D2223562AF03BC.png
    :width: 3.4in
    :height: 2.2992in


.. _RefImage_100002000000030E00000211E8D2223562AF03BC.png:


.. image:: images/10000201000000500000006DDE3AB5ED295CA023.png
    :width: 0.4075in
    :height: 0.5555in


.. _RefImage_10000201000000500000006DDE3AB5ED295CA023.png:

The figure above shows the lyre in question. The pipe has a radius of 0.2 m and a thickness of 0.04 m. The radii of curvature are 0.2 m.


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

Steel **:**

.. csv-table::

    "Stiffness", ":math:`E=190{10}^{9}\mathit{Pa}` :math:`\mathrm{\nu }=0.3`"
    "Density", ":math:`\mathrm{\rho }=7800\mathit{kg}/{m}^{3}`"


Water **:**

.. csv-table::

    "Celerity", ":math:`c=970m/s`"
    "Density", ":math:`\mathrm{\rho }=732\mathit{kg}/{m}^{3}`"



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

The pipe is embedded on the mesh unit ``S1pipe``.
Zero pressure is applied to the mesh group ``S1EAU``.


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

Not applicable.