Syntaxe
=======

.. code-block:: text

    / matr_asse_depl_r
    / macr_elem_stat
    / mode_gene
    / modele
    / maillage
    / nume_ddl
    / interspectre
    / mode_meca = CALC_ESSAI(
        ◇ RESU_IDENTIFICATION = _F(
             ◇ TABLE = co,
          ),
        ◇ RESU_MODIFSTRU = _F(
             ◇ MODELE = co,
             ◇ MODE_MECA = co,
             ◇ MAILLAGE = co,
             ◇ NUME_DDL = co,
             ◇ MASS_MECA = co,
             ◇ RIGI_MECA = co,
             ◇ AMOR_MECA = co,
             ◇ MACR_ELEM = co,
             ◇ PROJ_MESU = co,
             ◇ BASE_ES = co,
             ◇ BASE_LMME = co,
             ◇ MODE_STA = co,
          ),
        ◇ EXPANSION = _F(
             ◆ CALCUL = mode_meca,
             ◇ NUME_MODE_CALCUL = int,
             ◆ MESURE = mode_meca,
             ◇ NUME_MODE_MESURE = int,
             ◇ RESOLUTION = / "SVD" (par défaut),
                            / "LU",
             # Si: equal_to("RESOLUTION", 'SVD')
                 ◇ EPS = float,
          ),
        ◇ IDENTIFICATION = _F(
             ◇ ALPHA = float,
             ◇ EPS = float,
             ◆ OBSERVABILITE = mode_meca,
             ◆ COMMANDABILITE = mode_meca,
             ◆ INTE_SPEC = interspectre,
             ◆ BASE = mode_meca,
          ),
        ◇ MODIFSTRUCT = _F(
             ◆ MESURE = mode_meca,
             ◆ MODELE_SUP = modele,
             ◆ MATR_RIGI = matr_asse_depl_r,
             ◇ RESOLUTION = / "ES" (par défaut),
                            / "LMME",
             # Si: equal_to("RESOLUTION", 'LMME')
                 ◆ MATR_MASS = matr_asse_depl_r,
             ◆ NUME_MODE_MESU = int,
             ◆ NUME_MODE_CALCUL = int,
             ◆ MODELE_MODIF = modele,
          ),
        # Si: exists("MODIFSTRUCT")
            ◇ GROUP_NO_CAPTEURS = _F(
                 ◆ GROUP_NO = grno,
                 ◆ NOM_CMP = text,
              ),
            ◇ GROUP_NO_EXTERIEUR = _F(
                 ◆ GROUP_NO = grno,
                 ◆ NOM_CMP = text,
              ),
    )
    
    ◆ : obligatoire
    ◇ : optionnel
    ⟐ : présent par défaut
    & : ensemble
    / : un seul parmi
    | : plusieurs choix possibles