Syntax
=====

.. code-block:: text

    model = MODI_MODELE_XFEM (
        ◆ MODELE_IN = model,
        ◆/FISSURE = fiss_xfem,
          /MODELE_THER = model,
        ◇ INFO =/1 (by default),
                 /2,
        ◇ CONTACT =/"SANS" (by default),
                    /"STANDARD ",
                    /"MORTAR ",
        ◇ PRETRAITEMENTS =/"AUTO" (by default),
                           /"SANS ",
                           /"FORCE ",
        ◇ DECOUPE_FACETTE =/"DEFAUT" (by default),
                            /"SOUS_ELEMENTS ",
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices