.. _sphx_glr_examples_Contact:

.. _easyfea-examples-contact:

Contact simulations
===================

Contains examples for frictionless ``contact`` against a rigid obstacle, solved as a non-linear problem with ``Newton-Raphson`` and a ``penalty`` regularisation of the unilateral (Signorini) condition.



.. raw:: html

    <div class="sphx-glr-thumbnails">

.. thumbnail-parent-div-open

.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="A rigid indenter is pressed into an elastic half-space (2D, plane strain) and the finite-element contact pressure is compared to the closed-form solutions, with E* = E/(1-ν²):">

.. only:: html

  .. image:: /examples/Contact/images/thumb/sphx_glr_Contact1_thumb.gif
    :alt:

  :doc:`/examples/Contact/Contact1`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Contact1</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Frictionless contact between a deformable block and a rigid indenter, solved as a genuine non-linear problem with Newton-Raphson and a penalty regularisation of the unilateral (Signorini) condition.">

.. only:: html

  .. image:: /examples/Contact/images/thumb/sphx_glr_Contact2_thumb.gif
    :alt:

  :doc:`/examples/Contact/Contact2`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Contact2</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Frictionless contact between a thin elastic arch strip and a rigid block, solved with the penalty method and Newton-Raphson.">

.. only:: html

  .. image:: /examples/Contact/images/thumb/sphx_glr_Contact3_thumb.gif
    :alt:

  :doc:`/examples/Contact/Contact3`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Contact3</div>
    </div>


.. thumbnail-parent-div-close

.. raw:: html

    </div>


.. toctree::
   :hidden:

   /examples/Contact/Contact1
   /examples/Contact/Contact2
   /examples/Contact/Contact3