Syntaxe
=======

.. code-block:: text

    / fiss_xfem
    / maillage = PROPA_FISS(
        ◆ METHODE_PROPA = / "SIMPLEXE",
                          / "MAILLAGE",
                          / "INITIALISATION",
                          / "GEOMETRIQUE",
                          / "UPWIND",
        ◇ OPERATION = / "RIEN" (par défaut),
                      / "DETECT_COHESIF",
                      / "PROPA_COHESIF",
        # Si: (equal_to("METHODE_PROPA", 'SIMPLEXE')) or (equal_to("METHODE_PROPA", 'UPWIND')) or (equal_to("METHODE_PROPA", 'GEOMETRIQUE') and equal_to("OPERATION", 'RIEN'))
            ◆ MODELE = modele,
            ◇ TEST_MAIL = / "NON" (par défaut),
                          / "OUI",
            ◆ DA_MAX = float,
            ◆ RAYON = float,
            ◇ ZONE_MAJ = / "TOUT",
                         / "TORE" (par défaut),
            # Si: equal_to("ZONE_MAJ", 'TORE')
                ◇ RAYON_TORE = float,
            # Si: equal_to("TEST_MAIL", 'NON')
                ◆ FISSURE = _F(
                     ◆ FISS_ACTUELLE = fiss_xfem,
                     ◆ FISS_PROPAGEE = co,
                     ◇ NB_POINT_FOND = int,
                     ◆ TABLE = table,
                  ),
                ◆ LOI_PROPA = _F(
                     ◇ LOI = "PARIS",
                     # Si: equal_to("LOI", 'PARIS')
                         ◆ C = float,
                         ◆ M = float,
                         ◇ DELTA_K_SEUIL = float,
                     ◆ MATER = mater,
                  ),
                ◆ COMP_LINE = _F(
                     ◆ COEF_MULT_MINI = float,
                     ◆ COEF_MULT_MAXI = float,
                  ),
                ◇ CRIT_ANGL_BIFURCATION = / "SITT_MAX_DEVER",
                                          / "SITT_MAX" (par défaut),
                                          / "K1_MAX",
                                          / "K2_NUL",
                                          / "PLAN",
                                          / "ANGLE_IMPO",
                                          / "ANGLE_IMPO_GAMMA",
                                          / "ANGLE_IMPO_BETA_GAMMA",
            # Si: equal_to("TEST_MAIL", 'OUI')
                ◆ FISSURE = _F(
                     ◆ FISS_ACTUELLE = fiss_xfem,
                     ◆ FISS_PROPAGEE = co,
                  ),
                ◇ ITERATIONS = int (défaut: 5),
                ◇ TOLERANCE = float (défaut: 5.0),
        # Si: (equal_to("OPERATION", 'DETECT_COHESIF'))
            ◆ MODELE = modele,
            ◇ TEST_MAIL = / "NON" (par défaut),
                          / "OUI",
            ◆ RESULTAT = evol_noli / evol_elas,
            ◇ ZONE_MAJ = / "TOUT",
                         / "TORE" (par défaut),
            # Si: equal_to("ZONE_MAJ", 'TORE')
                ◇ RAYON_TORE = float,
            # Si: equal_to("TEST_MAIL", 'NON')
                ◆ FISSURE = _F(
                     ◆ FISS_ACTUELLE = fiss_xfem,
                     ◆ FISS_PROPAGEE = co,
                     ◇ NB_POINT_FOND = int,
                     ◆ TABLE = table,
                  ),
                ◇ CRIT_ANGL_BIFURCATION = / "SITT_MAX_DEVER",
                                          / "SITT_MAX" (par défaut),
                                          / "K1_MAX",
                                          / "K2_NUL",
                                          / "PLAN",
                                          / "ANGLE_IMPO",
                                          / "ANGLE_IMPO_GAMMA",
                                          / "ANGLE_IMPO_BETA_GAMMA",
        # Si: (equal_to("OPERATION", 'PROPA_COHESIF'))
            ◆ MODELE = modele,
            ◆ DA_MAX = float,
            ◇ TEST_MAIL = / "NON" (par défaut),
                          / "OUI",
            ◇ ZONE_MAJ = / "TOUT",
                         / "TORE" (par défaut),
            # Si: equal_to("ZONE_MAJ", 'TORE')
                ◇ RAYON_TORE = float,
            # Si: equal_to("TEST_MAIL", 'NON')
                ◆ FISSURE = _F(
                     ◆ FISS_ACTUELLE = fiss_xfem,
                     ◆ FISS_PROPAGEE = co,
                     ◇ NB_POINT_FOND = int,
                     ◆ TABLE = table,
                  ),
                ◇ CRIT_ANGL_BIFURCATION = / "SITT_MAX" (par défaut),
                                          / "K1_MAX",
                                          / "K2_NUL",
                                          / "PLAN",
                                          / "ANGLE_IMPO",
        # Si: (equal_to("METHODE_PROPA", 'MAILLAGE'))
            ◆ MAIL_STRUC = maillage,
            ◆ ITERATION = int,
            ◆ DA_MAX = float,
            ◆ FISSURE = _F(
                 ◆ MAIL_ACTUEL = maillage,
                 ◇ GROUP_MA_FOND = grma (défaut: FOND),
                 ◇ GROUP_MA_FISS = grma (défaut: FISS),
                 ◆ FISS_ACTUELLE = fiss_xfem,
                 ◇ MAIL_PROPAGE = co,
                 ◆ TABLE = table,
              ),
            ◆ MAIL_TOTAL = co,
            ◆ LOI_PROPA = _F(
                 ◇ LOI = "PARIS",
                 # Si: equal_to("LOI", 'PARIS')
                     ◆ C = float,
                     ◆ M = float,
                     ◇ DELTA_K_SEUIL = float,
                 ◆ MATER = mater,
              ),
            ◆ COMP_LINE = _F(
                 ◆ COEF_MULT_MINI = float,
                 ◆ COEF_MULT_MAXI = float,
              ),
            ◇ CRIT_ANGL_BIFURCATION = / "SITT_MAX" (par défaut),
                                      / "SITT_MAX_DEVER",
                                      / "K1_MAX",
                                      / "K2_NUL",
                                      / "PLAN",
                                      / "ANGLE_IMPO",
        # Si: (equal_to("METHODE_PROPA", 'INITIALISATION'))
            ◆ MAIL_STRUC = maillage,
            ◆ FORM_FISS = / "DEMI_DROITE",
                          / "DEMI_PLAN",
                          / "ELLIPSE",
            ◇ GROUP_MA_FOND = grma (défaut: FOND),
            ◇ GROUP_MA_FISS = grma (défaut: FISS),
            ◆ MAIL_TOTAL = co,
            ◇ MAIL_FISS = co,
            # Si: equal_to("FORM_FISS", 'DEMI_DROITE')
                ◆ PFON = float,
                ◆ DTAN = float,
            # Si: equal_to("FORM_FISS", 'DEMI_PLAN')
                ◆ DTAN = float,
                ◆ POINT_ORIG = float,
                ◆ POINT_EXTR = float,
                ◆ NB_POINT_FOND = int,
            # Si: equal_to("FORM_FISS", 'ELLIPSE')
                ◆ CENTRE = float,
                ◆ DEMI_GRAND_AXE = float,
                ◆ DEMI_PETIT_AXE = float,
                ◆ VECT_X = float,
                ◆ VECT_Y = float,
                ◆ ANGLE_ORIG = float,
                ◆ ANGLE_EXTR = float,
                ◆ NB_POINT_FOND = int,
        ◇ INFO = / 0,
                 / 1 (par défaut),
                 / 2,
    )
    
    ◆ : obligatoire
    ◇ : optionnel
    ⟐ : présent par défaut
    & : ensemble
    / : un seul parmi
    | : plusieurs choix possibles