.. _sphx_glr_gallery_elements_link180:

LINK180 gallery
===============

Gallery of runnable LINK180 (3D 2-node truss) examples.
See ``examples/link180/README.md`` in the repository for the element
theory write-up.


.. raw:: html

  <div id='sg-tag-list' class='sphx-glr-tag-list'></div>


.. raw:: html

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

.. thumbnail-parent-div-open

.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="The 2-node 3D truss (axial-only spar) maps to the natural coordinate s \in [-1, +1].  Linear shape functions interpolate the three translational DOFs at each node:">

.. only:: html

  .. image:: /gallery/elements/link180/images/thumb/sphx_glr_example_truss2_reference_geometry_thumb.png
    :alt:

  :doc:`/gallery/elements/link180/example_truss2_reference_geometry`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">TRUSS2 reference geometry — linear axial bar</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Single TRUSS2 spar fixed at node 1 and pulled along the x-axis at node 2. The tip displacement is compared to the closed-form rod solution u = P L / (E A) and the axial stress is plotted on the deformed mesh.">

.. only:: html

  .. image:: /gallery/elements/link180/images/thumb/sphx_glr_example_link180_thumb.png
    :alt:

  :doc:`/gallery/elements/link180/example_link180`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">TRUSS2 — axial truss under end load</div>
    </div>


.. thumbnail-parent-div-close

.. raw:: html

    </div>


.. toctree::
   :hidden:

   /gallery/elements/link180/example_truss2_reference_geometry
   /gallery/elements/link180/example_link180