Syntax
=====

.. code-block:: text

    /Matr_asse_depl_r
    /macr_elem_stat
    /fashion_gene
    /model
    /mesh
    /nume_ddl
    /interspectrum
    /meca_mode = 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 = meca fashion,
             ◇ NUME_MODE_CALCUL = int,
             ◆ MESURE = meca fashion,
             ◇ NUME_MODE_MESURE = int,
             ◇ RESOLUTION =/"SVD" (by default),
                            /"READ",
             # If: equal_to (" RESOLUTION ", 'SVD')
                 ◇ EPS = float,
          ),
        ◇ IDENTIFICATION = _F (
             ◇ ALPHA = float,
             ◇ EPS = float,
             ◆ OBSERVABILITE = meca fashion,
             ◆ COMMANDABILITE = meca fashion,
             ◆ INTE_SPEC = interspectrum,
             ◆ BASE = meca fashion,
          ),
        ◇ MODIFSTRUCT = _F (
             ◆ MESURE = meca fashion,
             ◆ MODELE_SUP = model,
             ◆ MATR_RIGI = matr_asse_depl_r,
             ◇ RESOLUTION =/"ES" (by default),
                            /"LMME ",
             # If: equal_to (" RESOLUTION ", 'LMME')
                 ◆ MATR_MASS = matr_asse_depl_r,
             ◆ NUME_MODE_MESU = int,
             ◆ NUME_MODE_CALCUL = int,
             ◆ MODELE_MODIF = model,
          ),
        # If: exists (" MODIFSTRUCT ")
            ◇ GROUP_NO_CAPTEURS = _F (
                 ◆ GROUP_NO = grno,
                 ◆ NOM_CMP = text,
              ),
            ◇ GROUP_NO_EXTERIEUR = _F (
                 ◆ GROUP_NO = grno,
                 ◆ NOM_CMP = text,
              ),
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices