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


Geometry
---------

The geometry of the problem is shown below:


.. image:: images/10000201000001D5000002B3DEF63297E5DE2123.png
    :width: 2.5583in
    :height: 3.8425in


.. _RefImage_10000201000001D5000002B3DEF63297E5DE2123.png:

The assembly details are as follows:


.. image:: images/DrawObject1.gif


.. _RefSchema_DrawObject1.gif:


Property of materials
----------------------

:math:`E=2{10}^{11}\mathit{Pa}` :math:`\nu =\mathrm{0,3}` :math:`\alpha =\mathrm{1,6}{10}^{-5}`


Initial conditions, boundary conditions, and loading
----------------------------------------

A temperature field that varies over time is imposed.

The head of the screw is "hooked" into the reinforcement by linear relationships and then a relative displacement is imposed on it to represent the tightening.