.. _V6.04.191:

**v6.04.191** SSNV191 — Validation of Neumann conditions with X- FEM in 2D and 3D
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**Summary**

The purpose of this test is to validate the consideration of Neumann-type boundary conditions on X-FEM skin elements in 2D and 3D.

This test involves a 3D structure or a 2D equivalent comprising a flat horizontal interface cutting the structure into two parts (an "upper" part above the interface, and a "lower" part below the interface). The interface is represented by level sets.

The loads applied are of several types: a loading with constant pressure on the lateral faces of the structure, a loading with a positive pressure on the upper lateral faces and a negative pressure on the lower lateral faces. The same problem is also treated by replacing pressures with 3D surface forces and 2D linear forces.


.. toctree::
    :hidden:

    self

.. toctree::
    :maxdepth: 2
    :numbered:

    Probl_me_de_r_f_rence
    Mod_lisation_A
    Mod_lisation_B
    Mod_lisation_C
    Mod_lisation_D
    Synth_ses_des_r_sultats