Syntax
=====

.. code-block:: text

    RESTAB = CALC_STAB_PENTE (
        ◆ CHAM_MATER = cham_master,
        ◆ METHODE_STAB =/"SRM" (by default),
                         /"LEM ",
        # If: equal_to (" METHODE_STAB "," SRM "," ")
            ◆ MODELE = model,

            # choice of zone where SRM applies
            ◆/TOUT = "OUI" (or not specified),
              /GROUP_MA = grma,

            # list of loads to apply
            ◆ EXCIT = _F (
                            ◆ CHARGE = char_meca/char_cine_meca,
                            ◇ FONC_MULT = formula/sheet/function,
                            ◇ TYPE_CHARGE =/"FIXE_CSTE" (by default),
                                            /"SUIV ",
                                            /"DIDI ",
              ),

            # list of moments
            ◆ INCREMENT = C_ INCREMENT (" MECANIQUE ")

            # other `STAT_NON_LINE` configuration
            CONVERGENCE = C_ CONVERGENE (" STAT_NON_LINE ")
            COMPORTEMENT = C_ COMPORTEMENT (" STAT_NON_LINE ")

            # Verification: only one component among "MORH_COULOMB" and "DRUCK_PRAGER"
            # is allowed in the SRM zone

            ◇ FS = _F (
                 ◇ FS_INIT = float (default: 1.0),
                 ◇ INCR_INIT = float (default: 0.1),
                 ◇ RESI_MAXI = float (default: 0.01),
                 ◇ ITER_MAXI = int (default: 100),
                 ◇ METHODE =/"EXPONENTIELLE" (by default),
                             /"LINEAIRE ",

                 # If: equal_to (" METHODE "," LINEAIRE "," ")
                     ◆ ITER_RAFF_LINE = int,
              ),


        # If: equal_to (" METHODE_STAB "," LEM "," ")
            ◇ METHODE_LEM =/"BISHOP" (by default),
                            /"FELLENIUS ",
                            /"SPENCER ",
                            /"MORGENSTERN_PRICE ",
            ◇ CRITERE =/"MOHR_COULOMB" (by default),
                        /"DRUCK_PRAGER ",
            ◆ GROUP_MA = Grma,
            ◇ NB_TRANCHE = int (default: 10),
            RAFF_MAIL = _F (
                            ◇ NB_RAFF_MAXI = int (default: 4),
                            ◇ RAFF_CRIT_STAB = float (default: 0.001),
                            ),
            ◆ X1_ MINI = float,
            ◆ X1_ MAXI = float,
            ◆ X2_ MINI = float,
            ◆ X2_ MAXI = float,
            # If: (equal_to (" METHODE_LEM "," "," BISHOP ")) or (equal_to (" METHODE_LEM "," FELLENIUS "))
                ◇ NB_POINT_1 = int (default: 5),
                ◇ NB_POINT_2 = int (default: 5),
                ◇ Y_ MINI = float,
                ◇ Y_ MAXI = float,
            # If: (equal_to (" METHODE_LEM "," "," MORGENSTERN_PRICE ") or (equal_to (" METHODE_LEM "," SPENCER "))))
                ALGO_EFWA = _F (
                     ◇ ETAT_INIT = table,
                     ◇ ITER_MAXI = int (default: 100.0),
                     ◆ A = float,
                     ◇ N = int (default: 5),
                     ◇ M = int (default: 40),
                     ◇ MG = int (default: 5),
                     ◇ SA = float (default: 0.04),
                     ◇ SB = float (default: 0.8),
                     ◇ NB_STAB_MAXI = int (default: 10),
                     ◇ CRIT_STAB = float (default: 0.001),
                     ◇ MARGE_PENTE = float (default: 0.1),
                  ),

        # evol_noli visualizing the sliding surface
        ◇ CHAM_DEFO = co,
        ◇ INFO =/1 (by default),
                 /2,
    )

    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices