.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "examples/Hyperelasticity/Hyperelas2.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_examples_Hyperelasticity_Hyperelas2.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_examples_Hyperelasticity_Hyperelas2.py:


Hyperelas2
==========

A hyper elastic cube in compression.

.. GENERATED FROM PYTHON SOURCE LINES 12-72







.. tab-set::



   .. tab-item:: Static Scene



            
     .. image-sg:: /examples/Hyperelasticity/images/sphx_glr_Hyperelas2_001.png
        :alt: Hyperelas2
        :srcset: /examples/Hyperelasticity/images/sphx_glr_Hyperelas2_001.png
        :class: sphx-glr-single-img
     


   .. tab-item:: Interactive Scene



       .. offlineviewer:: /home/docs/checkouts/readthedocs.org/user_builds/easyfea/checkouts/v1.7.4/docs/examples/Hyperelasticity/images/sphx_glr_Hyperelas2_001.vtksz






.. tab-set::



   .. tab-item:: Static Scene



            
     .. image-sg:: /examples/Hyperelasticity/images/sphx_glr_Hyperelas2_002.png
        :alt: Hyperelas2
        :srcset: /examples/Hyperelasticity/images/sphx_glr_Hyperelas2_002.png
        :class: sphx-glr-single-img
     


   .. tab-item:: Interactive Scene



       .. offlineviewer:: /home/docs/checkouts/readthedocs.org/user_builds/easyfea/checkouts/v1.7.4/docs/examples/Hyperelasticity/images/sphx_glr_Hyperelas2_002.vtksz



.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    

    ===== hyperelastic problem at iteration 0 =====
    At Newton iteration 1 norm is 3.873448821042e-01
    At Newton iteration 2 norm is 9.538664605952e-03
    At Newton iteration 3 norm is 8.884193859163e-04
    At Newton iteration 4 norm is 5.678328312556e-05
    At Newton iteration 5 norm is 4.665333617495e-07






|

.. code-block:: Python
   :lineno-start: 13


    import numpy as np

    from EasyFEA import Display, ElemType, Models, Simulations, PyVista
    from EasyFEA.Geoms import Domain

    if __name__ == "__main__":
        Display.Clear()

        # ----------------------------------------------
        # Configuration
        # ----------------------------------------------
        dim = 3

        # geom
        L = 1
        h = 1

        # ----------------------------------------------
        # Mesh
        # ----------------------------------------------
        meshSize = h / 10

        contour = Domain((0, 0), (L, h), h / 10)

        if dim == 2:
            mesh = contour.Mesh_2D([], ElemType.QUAD8, isOrganised=True)
        else:
            mesh = contour.Mesh_Extrude(
                [], [0, 0, h], [h / meshSize], ElemType.HEXA8, isOrganised=True
            )

        nodesX0 = mesh.Nodes_Conditions(lambda x, y, z: x == 0)
        nodesXL = mesh.Nodes_Conditions(lambda x, y, z: x == L)

        # ----------------------------------------------
        # Simulation
        # ----------------------------------------------

        isot = Models.Elastic.Isotropic(dim, E=1, v=0.3)
        lmbda = isot.get_lambda()
        mu = isot.get_mu()
        mat = Models.HyperElastic.SaintVenantKirchhoff(dim, lmbda, mu, thickness=h)

        simu = Simulations.HyperElastic(mesh, mat)

        uc = -0.3
        simu.add_dirichlet(nodesX0, [0] * dim, simu.Get_unknowns())
        values = np.zeros_like(simu.Get_unknowns(), dtype=float)
        values[0] = uc
        simu.add_dirichlet(nodesXL, values, simu.Get_unknowns())

        simu.Solve()

        # ----------------------------------------------
        # Results
        # ----------------------------------------------

        PyVista.Plot_BoundaryConditions(simu).show()
        PyVista.Plot(simu, "ux", 1, plotMesh=True).show()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 1.267 seconds)


.. _sphx_glr_download_examples_Hyperelasticity_Hyperelas2.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: Hyperelas2.ipynb <Hyperelas2.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: Hyperelas2.py <Hyperelas2.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: Hyperelas2.zip <Hyperelas2.zip>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_