Syntax
=====

.. code-block:: text

    /harm_gene
    /dyna_harmo
    /tran_gene
    /Fashion_meca
    /dyna_trans = DYNA_LINE (
        ◆ TYPE_CALCUL =/"HARM ",
                        /"TRAN ",
        ◆ BASE_CALCUL =/"PHYS ",
                        /"GENE ",
        ◆ MODELE = model,
        ◇ CHAM_MATER = mater_field,
        ◇ CARA_ELEM = cara_elem,
        ◇ CHARGE = char_meca/char_cine_meca,
        ◇ BANDE_ANALYSE = float,
        ◇ PCENT_COUP = int (default: 90),
        # If: equal_to (" BASE_CALCUL ", 'GENE')
            ◇ BASE_RESU = co,
            ◇ RESU_GENE = co,
        # If: equal_to (" TYPE_CALCUL ", 'HARM')
            ◆/FREQ = float,
              /LIST_FREQ = listr8,
        # If: equal_to (" TYPE_CALCUL ", 'TRAN')
            SCHEMA_TEMPS = _F (
                 ◇ SCHEMA =/"NEWMARK ",
                            /"WILSON ",
                            /"DIFF_CENTRE ",
                            /"DEVOGE" (by default),
                            /"ADAPT_ORDRE1 ",
                            /"ADAPT_ORDRE2 ",
                            /"RUNGE_KUTTA_32 ",
                            /"RUNGE_KUTTA_54 ",
                            /"ITMI ",
                 # If: equal_to (" SCHEMA ", 'NEWMARK')
                     ◇ BETA = float (default: 0.25),
                     ◇ GAMMA = float (default: 0.5),
                 # If: equal_to (" SCHEMA ", 'WILSON')
                     ◇ THETA = float (default: 1.4),
                 # If: equal_to (" SCHEMA ", 'RUNGE_KUTTA_54', '') or equal_to (" SCHEMA ", 'RUNGE_KUTTA_32') or equal_to (" SCHEMA ", '', 'DEVOGE')
                     ◇ TOLERANCE = float (default: 1e-05),
                     ◇ ALPHA = float,
                 # If: equal_to (" SCHEMA ", 'ADAPT_ORDRE1') or equal_to (" SCHEMA ", 'ADAPT_ORDRE2')
                     ◇ VITE_MIN =/"MAXI ",
                                  /"NORM" (by default),
                     ◇ COEF_MULT_PAS = float (default: 1.1),
                     ◇ COEF_DIVI_PAS = float (default: 1.3333334),
                     ◇ PAS_LIMI_RELA = float (default: 1e-06),
                     ◇ NB_POIN_PERIODE = int (default: 50),
                 # If: is_in (" SCHEMA ", ('RUNGE_KUTTA_54', '', '', 'RUNGE_KUTTA_32', 'DEVOGE', 'ADAPT_ORDRE1', 'ADAPT_ORDRE2'))
                     ◇ PAS_MINI = float,
                     ◇ PAS_MAXI = float,
                     ◇ NMAX_ITER_PAS = int (default: 16),
              ),
            ◆ INCREMENT = _F (
                 ◇ INST_INIT = float,
                 ◇ PAS = float,
                 ◆ INST_FIN = float,
              ),
        # If: equal_to (" BASE_CALCUL ", 'PHYS') and equal_to (" TYPE_CALCUL ", 'TRAN')
            ◇ ARCHIVAGE = _F (
                 ◆ | PAS_ARCH = int,
                   | LIST_INST = listr8,
                   | INST = float,
                 # If: (exists (" LIST_INST ") or exists (" INST "))
                     ◇ CRITERE =/"RELATIF" (by default),
                                 /"ABSOLU ",
                     # If: (equal_to (" CRITERE ", 'RELATIF'))
                         ◇ PRECISION = float (default: 1e-06),
                     # If: (equal_to (" CRITERE ", 'ABSOLU'))
                         ◆ PRECISION = float,
                 ◇ CHAM_EXCLU =/"DEPL ",
                                /"VITE ",
                                /"ACCE ",
              ),
        # If: not equal_to (" BASE_CALCUL ", 'PHYS') and equal_to (" TYPE_CALCUL ", 'TRAN')
            ◇ ARCHIVAGE = _F (
                 ◆ | PAS_ARCH = int,
                   | LIST_INST = listr8,
                   | INST = float,
              ),
        # If: equal_to (" TYPE_CALCUL ", 'TRAN')
            ◆ | INIT_STATE = _F (
                   ◇ DEPL = cham_no,
                   ◇ VITE = cham_no,
                ),
              | EXCIT = _F (
                   ◇ TYPE_APPUI =/"MONO ",
                                  /"MULTI ",
                   # If: not exists (" TYPE_APPUI ")
                       ◆ CHARGE = char_meca,
                       ◆ FONC_MULT = tablecloth/formula/function,
                   # If: equal_to (" TYPE_APPUI ", 'MONO')
                       ◆ DIRECTION = float,
                       ◇/FONC_MULT = tablecloth/formula/function,
                         /ACCE = tablecloth/formula/function,
                       ◇ & VITE = tablecloth/formula/function,
                         & ◆ DEPL = tablecloth/formula/function,
                       ◇ GROUP_NO = big,
                   # If: equal_to (" TYPE_APPUI ", 'MULTI')
                       ◆ DIRECTION = float,
                       ◇ GROUP_NO = big,
                       ◇/FONC_MULT = tablecloth/formula/function,
                         /ACCE = tablecloth/formula/function,
                       ◇ & VITE = tablecloth/formula/function,
                         & ◆ DEPL = tablecloth/formula/function,
                ),
        # If: equal_to (" TYPE_CALCUL ", 'HARM')
            ◆ EXCIT = _F (
                 ◇ TYPE_APPUI =/"MONO ",
                                /"MULTI ",
                 ◆/FONC_MULT_C = function_c/formula_c,
                   /FONC_MULT = tablecloth/formula/function,
                   /COEF_MULT = float,
                   /COEF_MULT_C = complex,
                 ◇ PHAS_DEG = float,
                 ◇ PUIS_PULS = int,
                 # If: not exists (" TYPE_APPUI ")
                     ◆ CHARGE = char_meca,
                 # If: equal_to (" TYPE_APPUI ", 'MONO')
                     ◆ DIRECTION = float,
                     ◇ GROUP_NO = big,
                 # If: equal_to (" TYPE_APPUI ", 'MULTI')
                     ◆ DIRECTION = float,
                     ◆ GROUP_NO = grno,
              ),
        # If: equal_to (" TYPE_CALCUL ", 'TRAN') and equal_to (" BASE_CALCUL ", 'PHYS')
            ◇ AMORTISSEMENT = _F (
                 ◆ TYPE_AMOR = "RAYLEIGH" (or not specified),
                 ◇ VNOR =/1.0 (by default),
                          /-1.0,
              ),
        # If: equal_to (" TYPE_CALCUL ", 'HARM') and equal_to (" BASE_CALCUL ", 'PHYS')
            ◇ AMORTISSEMENT = _F (
                 ◆ TYPE_AMOR =/"RAYLEIGH ",
                               /"HYST ",
                 # If: equal_to (" TYPE_AMOR ", 'RAYLEIGH')
                     ◇ VNOR =/1.0 (by default),
                              /-1.0,
                     ◇ MATR_IMPE_PHI =/"OUI ",
                                       /"NON" (by default),
              ),
        # If: equal_to (" TYPE_CALCUL ", 'TRAN') and equal_to (" BASE_CALCUL ", 'GENE')
            ◇ AMORTISSEMENT = _F (
                 ◆ TYPE_AMOR =/"RAYLEIGH ",
                               /"MODAL ",
                 # If: equal_to (" TYPE_AMOR ", 'MODAL')
                     ◆ AMOR_REDUIT = float,
                 # If: equal_to (" TYPE_AMOR ", 'RAYLEIGH')
                     ◇ VNOR =/1.0 (by default),
                              /-1.0,
              ),
        # If: equal_to (" TYPE_CALCUL ", 'HARM') and equal_to (" BASE_CALCUL ", 'GENE')
            ◇ AMORTISSEMENT = _F (
                 ◆ TYPE_AMOR =/"RAYLEIGH ",
                               /"MODAL ",
                               /"HYST ",
                 # If: equal_to (" TYPE_AMOR ", 'MODAL')
                     ◆ AMOR_REDUIT = float,
                 # If: equal_to (" TYPE_AMOR ", 'RAYLEIGH')
                     ◇ VNOR =/1.0 (by default),
                              /-1.0,
                     ◇ MATR_IMPE_PHI =/"OUI ",
                                       /"NON" (by default),
              ),
        # If: equal_to (" BASE_CALCUL ", 'PHYS') and equal_to (" TYPE_CALCUL ", 'HARM')
            SOLVEUR = _F (
                 ◇ METHODE =/"MULT_FRONT ",
                             /"LDLT ",
                             /"MUMPS" (by default),
                 # If: equal_to (" METHODE ", 'MULT_FRONT')
                     ◇ RENUM =/"MD",
                               /"MDA" (by default),
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON" (by default),
                     ◇ STOP_SINGULIER =/"OUI" (by default),
                                        /"NON ",
                 # If: equal_to (" METHODE ", 'LDLT')
                     ◇ RENUM = "RCMK ",
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON" (by default),
                     ◇ STOP_SINGULIER =/"OUI" (by default),
                                        /"NON ",
                 # If: equal_to (" METHODE ", 'MUMPS')
                     ◇ RENUM =/"AMD ",
                               /"AMF ",
                               /"PORD ",
                               /"METIS ",
                               /"QAMD ",
                               /"SCOTCH ",
                               /"AUTO" (by default),
                               /"PARMETIS ",
                               /"PTSCOTCH ",
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON ",
                                   /"LAGR2" (by default),
                     ◇ STOP_SINGULIER =/"OUI" (by default),
                                        /"NON ",
                     ◇ TYPE_RESOL =/"NONSYM ",
                                    /"SYMGEN ",
                                    /"SYMDEF ",
                                    /"AUTO" (by default),
                     ◇ ACCELERATION =/"AUTO ",
                                      /"FR" (by default),
                                      /"FR+",
                                      /"FR++",
                                      /"LR",
                                      /"LR+",
                                      /"LR++",
                     ◇ LOW_RANK_SEUIL = float,
                     ◇ PRETRAITEMENTS =/"SANS ",
                                        /"AUTO" (by default),
                     ◇ POSTTRAITEMENTS =/"SANS ",
                                         /"AUTO" (by default),
                                         /"FORCE ",
                                         /"MINI ",
                     ◇ PCENT_PIVOT = int (default: 35),
                     ◇ NB_RHS = int (default: 1),
                     ◇ RESI_RELA = float (default: -1.0),
                     ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                         /"OUT_OF_CORE ",
                                         /"AUTO" (by default),
                                         /"EVAL ",
                 # If: equal_to (" METHODE ", 'GCPC')
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON" (by default),
                     ◇ PRE_COND =/"LDLT_INC" (by default),
                                  /"LDLT_SP ",
                                  /"LDLT_DP ",
                     ◇ RESI_RELA = float (default: 1e-06),
                     ◇ NMAX_ITER = int,
                     # If: equal_to (" PRE_COND ", 'LDLT_INC')
                         ◇ RENUM = "RCMK ",
                         ◇ NIVE_REMPLISSAGE = int,
                     # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                         ◇ RENUM =/"SANS ",
                                   /"METIS ",
                                   /"PARMETIS" (by default),
                         ◇ REAC_PRECOND = int (default: 30),
                         ◇ PCENT_PIVOT = int (default: 20),
                         ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                             /"AUTO" (by default),
                         ◇ LOW_RANK_SEUIL = float,
                 # If: equal_to (" METHODE ", 'PETSC')
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON" (by default),
                     ◇ ALGORITHME =/"CG",
                                    /"CR",
                                    /"GMRES ",
                                    /"GCR ",
                                    /"FGMRES" (by default),
                                    /"GMRES_LMP ",
                     ◇ OPTION_PETSC = text,
                     ◇ PRE_COND =/"LDLT_INC ",
                                  /"LDLT_SP" (by default),
                                  /"LDLT_DP ",
                                  /"JACOBI ",
                                  /"SOR ",
                                  /"ML",
                                  /"BOOMER ",
                                  /"GAMG ",
                                  /"BLOC_LAGR ",
                                  /"FIELDSPLIT ",
                                  /"UTILISATEUR ",
                                  /"HPDDM ",
                                  /"SANS ",
                     ◇ RESI_RELA = float (default: 1e-06),
                     ◇ NMAX_ITER = int,
                     # If: equal_to (" PRE_COND ", 'LDLT_INC')
                         ◇ RENUM = "RCMK ",
                         ◇ NIVE_REMPLISSAGE = int,
                         ◇ REMPLISSAGE = float (default: 1.0),
                     # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                         ◇ RENUM =/"SANS ",
                                   /"METIS ",
                                   /"PARMETIS" (by default),
                         ◇ REAC_PRECOND = int (default: 30),
                         ◇ PCENT_PIVOT = int (default: 20),
                         ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                             /"AUTO" (by default),
                         ◇ LOW_RANK_SEUIL = float,
                     # If: equal_to (" PRE_COND ", 'ML')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'BOOMER')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'GAMG')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'HPDDM')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'BLOC_LAGR')
                         ◇ RENUM = "SANS ",
                     # If: is_in (" PRE_COND ", ('FIELDSPLIT'))
                         ◇ RENUM = "SANS ",
                         ◇ PARTITION_CMP = int,
                         ◇ NOM_CMP = text,
                     # If: is_in (" PRE_COND ", ('UTILISATEUR'))
                         ◇ KSP_UTIL = not_checked,
                         ◇ RENUM = "SANS ",
                     # If: is_in (" PRE_COND ", ('JACOBI', '', 'SOR', 'SANS'))
                         ◇ RENUM =/"SANS" (by default),
                                   /"RCMK ",
              ),
        # If: equal_to (" BASE_CALCUL ", 'PHYS') and equal_to (" TYPE_CALCUL ", 'TRAN')
            SOLVEUR = _F (
                 ◇ METHODE =/"MULT_FRONT ",
                             /"LDLT ",
                             /"MUMPS" (by default),
                             /"GCPC ",
                             /"PETSC ",
                 # If: equal_to (" METHODE ", 'MULT_FRONT')
                     ◇ RENUM =/"MD",
                               /"MDA" (by default),
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON" (by default),
                     ◇ STOP_SINGULIER =/"OUI" (by default),
                                        /"NON ",
                 # If: equal_to (" METHODE ", 'LDLT')
                     ◇ RENUM = "RCMK ",
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON" (by default),
                     ◇ STOP_SINGULIER =/"OUI" (by default),
                                        /"NON ",
                 # If: equal_to (" METHODE ", 'MUMPS')
                     ◇ RENUM =/"AMD ",
                               /"AMF ",
                               /"PORD ",
                               /"METIS ",
                               /"QAMD ",
                               /"SCOTCH ",
                               /"AUTO" (by default),
                               /"PARMETIS ",
                               /"PTSCOTCH ",
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON ",
                                   /"LAGR2" (by default),
                     ◇ STOP_SINGULIER =/"OUI" (by default),
                                        /"NON ",
                     ◇ TYPE_RESOL =/"NONSYM ",
                                    /"SYMGEN ",
                                    /"SYMDEF ",
                                    /"AUTO" (by default),
                     ◇ ACCELERATION =/"AUTO" (by default),
                                      /"EN",
                                      /"FR+",
                                      /"FR++",
                                      /"LR",
                                      /"LR+",
                                      /"LR++",
                     ◇ LOW_RANK_SEUIL = float,
                     ◇ PRETRAITEMENTS =/"SANS ",
                                        /"AUTO" (by default),
                     ◇ POSTTRAITEMENTS =/"SANS ",
                                         /"AUTO" (by default),
                                         /"FORCE ",
                                         /"MINI ",
                     ◇ PCENT_PIVOT = int (default: 35),
                     ◇ REDUCTION_MPI = int,
                     ◇ NB_RHS = int (default: 1),
                     ◇ RESI_RELA = float (default: -1.0),
                     ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                         /"OUT_OF_CORE ",
                                         /"AUTO" (by default),
                                         /"EVAL ",
                     ◇ FILTRAGE_MATRICE = float (default: -1.0),
                     ◇ MIXER_PRECISION =/"OUI ",
                                         /"NON" (by default),
                 # If: equal_to (" METHODE ", 'GCPC')
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON" (by default),
                     ◇ PRE_COND =/"LDLT_INC" (by default),
                                  /"LDLT_SP ",
                                  /"LDLT_DP ",
                     ◇ RESI_RELA = float (default: 1e-06),
                     ◇ NMAX_ITER = int,
                     # If: equal_to (" PRE_COND ", 'LDLT_INC')
                         ◇ RENUM = "RCMK ",
                         ◇ NIVE_REMPLISSAGE = int,
                     # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                         ◇ RENUM =/"SANS ",
                                   /"METIS ",
                                   /"PARMETIS" (by default),
                         ◇ REAC_PRECOND = int (default: 30),
                         ◇ PCENT_PIVOT = int (default: 20),
                         ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                             /"AUTO" (by default),
                         ◇ LOW_RANK_SEUIL = float,
                 # If: equal_to (" METHODE ", 'PETSC')
                     ◇ ELIM_LAGR =/"OUI ",
                                   /"NON" (by default),
                     ◇ ALGORITHME =/"CG",
                                    /"CR",
                                    /"GMRES ",
                                    /"GCR ",
                                    /"FGMRES" (by default),
                                    /"GMRES_LMP ",
                     ◇ OPTION_PETSC = text,
                     ◇ PRE_COND =/"LDLT_INC ",
                                  /"LDLT_SP" (by default),
                                  /"LDLT_DP ",
                                  /"JACOBI ",
                                  /"SOR ",
                                  /"ML",
                                  /"BOOMER ",
                                  /"GAMG ",
                                  /"BLOC_LAGR ",
                                  /"FIELDSPLIT ",
                                  /"UTILISATEUR ",
                                  /"HPDDM ",
                                  /"SANS ",
                     ◇ RESI_RELA = float (default: 1e-06),
                     ◇ NMAX_ITER = int,
                     # If: equal_to (" PRE_COND ", 'LDLT_INC')
                         ◇ RENUM = "RCMK ",
                         ◇ NIVE_REMPLISSAGE = int,
                         ◇ REMPLISSAGE = float (default: 1.0),
                     # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                         ◇ RENUM =/"SANS ",
                                   /"METIS ",
                                   /"PARMETIS" (by default),
                         ◇ REAC_PRECOND = int (default: 30),
                         ◇ PCENT_PIVOT = int (default: 20),
                         ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                             /"AUTO" (by default),
                         ◇ LOW_RANK_SEUIL = float,
                     # If: equal_to (" PRE_COND ", 'ML')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'BOOMER')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'GAMG')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'HPDDM')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'BLOC_LAGR')
                         ◇ RENUM = "SANS ",
                     # If: is_in (" PRE_COND ", ('FIELDSPLIT'))
                         ◇ RENUM = "SANS ",
                         ◇ PARTITION_CMP = int,
                         ◇ NOM_CMP = text,
                     # If: is_in (" PRE_COND ", ('UTILISATEUR'))
                         ◇ KSP_UTIL = not_checked,
                         ◇ RENUM = "SANS ",
                     # If: is_in (" PRE_COND ", ('JACOBI', '', 'SOR', 'SANS'))
                         ◇ RENUM =/"SANS" (by default),
                                   /"RCMK ",
              ),
        # If: equal_to (" TYPE_CALCUL ", 'HARM') and equal_to (" BASE_CALCUL ", 'GENE')
            ◇/ISS = "OUI" (or not specified),
              /IFS = "OUI" (or not specified),
            # If: not exists (" IFS ")
                SOLVEUR = _F (
                     ◇ METHODE =/"LDLT" (by default),
                                 /"MUMPS ",
                     # If: equal_to (" METHODE ", 'MULT_FRONT')
                         ◇ RENUM =/"MD",
                                   /"MDA" (by default),
                         ◇ NPREC = int (default: 8),
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON" (by default),
                         ◇ STOP_SINGULIER =/"OUI" (by default),
                                            /"NON ",
                     # If: equal_to (" METHODE ", 'LDLT')
                         ◇ RENUM = "RCMK ",
                         ◇ NPREC = int (default: 8),
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON" (by default),
                         ◇ STOP_SINGULIER =/"OUI" (by default),
                                            /"NON ",
                     # If: equal_to (" METHODE ", 'MUMPS')
                         ◇ RENUM =/"AMD ",
                                   /"AMF ",
                                   /"PORD ",
                                   /"METIS ",
                                   /"QAMD ",
                                   /"SCOTCH ",
                                   /"AUTO" (by default),
                                   /"PARMETIS ",
                                   /"PTSCOTCH ",
                         ◇ NPREC = int (default: 8),
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON ",
                                       /"LAGR2" (by default),
                         ◇ STOP_SINGULIER =/"OUI" (by default),
                                            /"NON ",
                         ◇ TYPE_RESOL =/"NONSYM ",
                                        /"SYMGEN ",
                                        /"SYMDEF ",
                                        /"AUTO" (by default),
                         ◇ ACCELERATION =/"AUTO ",
                                          /"FR" (by default),
                                          /"FR+",
                                          /"FR++",
                                          /"LR",
                                          /"LR+",
                                          /"LR++",
                         ◇ LOW_RANK_SEUIL = float,
                         ◇ PRETRAITEMENTS =/"SANS ",
                                            /"AUTO" (by default),
                         ◇ POSTTRAITEMENTS =/"SANS ",
                                             /"AUTO" (by default),
                                             /"FORCE ",
                                             /"MINI ",
                         ◇ PCENT_PIVOT = int (default: 35),
                         ◇ NB_RHS = int (default: 1),
                         ◇ RESI_RELA = float (default: -1.0),
                         ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                             /"OUT_OF_CORE ",
                                             /"AUTO" (by default),
                                             /"EVAL ",
                     # If: equal_to (" METHODE ", 'GCPC')
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON" (by default),
                         ◇ PRE_COND =/"LDLT_INC" (by default),
                                      /"LDLT_SP ",
                                      /"LDLT_DP ",
                         ◇ RESI_RELA = float (default: 1e-06),
                         ◇ NMAX_ITER = int,
                         # If: equal_to (" PRE_COND ", 'LDLT_INC')
                             ◇ RENUM = "RCMK ",
                             ◇ NIVE_REMPLISSAGE = int,
                         # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                             ◇ RENUM =/"SANS ",
                                       /"METIS ",
                                       /"PARMETIS" (by default),
                             ◇ REAC_PRECOND = int (default: 30),
                             ◇ PCENT_PIVOT = int (default: 20),
                             ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                                 /"AUTO" (by default),
                             ◇ LOW_RANK_SEUIL = float,
                     # If: equal_to (" METHODE ", 'PETSC')
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON" (by default),
                         ◇ ALGORITHME =/"CG",
                                        /"CR",
                                        /"GMRES ",
                                        /"GCR ",
                                        /"FGMRES" (by default),
                                        /"GMRES_LMP ",
                         ◇ OPTION_PETSC = text,
                         ◇ PRE_COND =/"LDLT_INC ",
                                      /"LDLT_SP" (by default),
                                      /"LDLT_DP ",
                                      /"JACOBI ",
                                      /"SOR ",
                                      /"ML",
                                      /"BOOMER ",
                                      /"GAMG ",
                                      /"BLOC_LAGR ",
                                      /"FIELDSPLIT ",
                                      /"UTILISATEUR ",
                                      /"HPDDM ",
                                      /"SANS ",
                         ◇ RESI_RELA = float (default: 1e-06),
                         ◇ NMAX_ITER = int,
                         # If: equal_to (" PRE_COND ", 'LDLT_INC')
                             ◇ RENUM = "RCMK ",
                             ◇ NIVE_REMPLISSAGE = int,
                             ◇ REMPLISSAGE = float (default: 1.0),
                         # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                             ◇ RENUM =/"SANS ",
                                       /"METIS ",
                                       /"PARMETIS" (by default),
                             ◇ REAC_PRECOND = int (default: 30),
                             ◇ PCENT_PIVOT = int (default: 20),
                             ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                                 /"AUTO" (by default),
                             ◇ LOW_RANK_SEUIL = float,
                         # If: equal_to (" PRE_COND ", 'ML')
                             ◇ RENUM = "SANS ",
                         # If: equal_to (" PRE_COND ", 'BOOMER')
                             ◇ RENUM = "SANS ",
                         # If: equal_to (" PRE_COND ", 'GAMG')
                             ◇ RENUM = "SANS ",
                         # If: equal_to (" PRE_COND ", 'HPDDM')
                             ◇ RENUM = "SANS ",
                         # If: equal_to (" PRE_COND ", 'BLOC_LAGR')
                             ◇ RENUM = "SANS ",
                         # If: is_in (" PRE_COND ", ('FIELDSPLIT'))
                             ◇ RENUM = "SANS ",
                             ◇ PARTITION_CMP = int,
                             ◇ NOM_CMP = text,
                         # If: is_in (" PRE_COND ", ('UTILISATEUR'))
                             ◇ KSP_UTIL = not_checked,
                             ◇ RENUM = "SANS ",
                         # If: is_in (" PRE_COND ", ('JACOBI', '', 'SOR', 'SANS'))
                             ◇ RENUM =/"SANS" (by default),
                                       /"RCMK ",
                  ),
                ◇ ENRI_STAT =/"OUI" (by default),
                              /"NON ",
                # If: equal_to (" ENRI_STAT ", 'OUI')
                    ◇ ORTHO =/"OUI ",
                              /"NON" (by default),
                    ◇ FREQ_COUP_STAT = float,
            # If: equal_to (" ISS ", 'OUI')
                ◇ VERSION_MISS =/"V6.7" (by default),
                                 /"V6.6",
                                 /"V6.5",
                ◇ CALC_IMPE_FORC =/"OUI" (by default),
                                   /"NON ",
                ◆ GROUP_MA_INTERF = GRMA,
                ◆ GROUP_NO_INTERF = grno,
                ◇ TYPE_MODE =/"PSEUDO ",
                              /"CRAIG_BAMPTON" (by default),
                              /"INTERF ",
                # If: equal_to (" TYPE_MODE ", 'INTERF')
                    ◆ NB_MODE_INTERF = int,
                # If: equal_to (" CALC_IMPE_FORC ", 'NON')
                    ◆ UNITE_RESU_IMPE = unit,
                    ◆ UNITE_RESU_FORC = unit,
                # If: equal_to (" CALC_IMPE_FORC ", 'OUI')
                    ◇ UNITE_IMPR_ASTER = unit,
                    ◇ UNITE_RESU_IMPE = unit,
                    ◇ UNITE_RESU_FORC = unit,
                      /TABLE_SOL = table,
                    ◇/MATER_SOL = _F (
                           ◆ E = float,
                           ◆ NU = float,
                           ◆ RHO = float,
                           ◇ AMOR_HYST = float,
                        ),
                    ◇ PARAMETRE = _F (
                         ◇/FREQ_MIN = float,
                         ◇ & FREQ_MAX = float,
                           & ◆ FREQ_PAS = float,
                           /LIST_FREQ = float,
                           /FREQ_IMAG = float,
                         ◇ Z0 = float,
                         ◇ TYPE =/"BINAIRE ",
                                  /"ASCII" (by default),
                         ◇ ALLU = float,
                         ◇ SURF =/"OUI ",
                                  /"NON" (by default),
                         ◇ DREF = float,
                         ◇ & OFFSET_MAX = float,
                           & OFFSET_NB = int,
                         ◇ AUTO =/"OUI ",
                                  /"NON" (by default),
                         # If: equal_to (" AUTO ", 'OUI')
                             ◇ OPTION_DREF =/"OUI ",
                                             /"NON" (by default),
                             ◇ OPTION_RFIC =/"OUI ",
                                             /"NON" (by default),
                             ◇ RFIC = float,
                             ◇ SPEC_MAX = float,
                             ◇ SPEC_NB = int,
                             ◇ COEF_OFFSET = int (default: 12),
                         # If: equal_to (" AUTO ", 'NON')
                             ◇ ALGO =/"DEPL ",
                                      /"REGU ",
                             ◇ RFIC = float,
                             ◇ & SPEC_MAX = float,
                               & SPEC_NB = int,
                      ),
            # If: equal_to (" IFS ", 'OUI')
                ◇ FORC_AJOU = "OUI" (or not specified),
                ◆ GROUP_MA_INTERF = GRMA,
                ◆ GROUP_MA_FLUIDE = GRMA,
                ◆ MODELISATION_FLU =/"3D",
                                     /"COQUE ",
                ◆ RHO_FLUIDE = _F (
                     ◆ RHO = float,
                     ◆/TOUT = "OUI" (or not specified),
                       /GROUP_MA = grma,
                  ),
                ◆ PRESSION_FLU_IMPO = _F (
                     ◆ PRES_FLUIDE = float,
                     ◆ GROUP_NO = grno,
                  ),
        # If: equal_to (" TYPE_CALCUL ", 'TRAN') and equal_to (" BASE_CALCUL ", 'GENE')
            ◇/ISS = "OUI" (or not specified),
              /IFS = "OUI" (or not specified),
            # If: not exists (" IFS ")
                SOLVEUR = _F (
                     ◇ METHODE =/"MULT_FRONT ",
                                 /"LDLT" (by default),
                                 /"MUMPS ",
                     # If: equal_to (" METHODE ", 'MULT_FRONT')
                         ◇ RENUM =/"MD",
                                   /"MDA" (by default),
                         ◇ NPREC = int (default: 8),
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON" (by default),
                         ◇ STOP_SINGULIER =/"OUI" (by default),
                                            /"NON ",
                     # If: equal_to (" METHODE ", 'LDLT')
                         ◇ RENUM = "RCMK ",
                         ◇ NPREC = int (default: 8),
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON" (by default),
                         ◇ STOP_SINGULIER =/"OUI" (by default),
                                            /"NON ",
                     # If: equal_to (" METHODE ", 'MUMPS')
                         ◇ RENUM =/"AMD ",
                                   /"AMF ",
                                   /"PORD ",
                                   /"METIS ",
                                   /"QAMD ",
                                   /"SCOTCH ",
                                   /"AUTO" (by default),
                                   /"PARMETIS ",
                                   /"PTSCOTCH ",
                         ◇ NPREC = int (default: 8),
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON ",
                                       /"LAGR2" (by default),
                         ◇ STOP_SINGULIER =/"OUI" (by default),
                                            /"NON ",
                         ◇ TYPE_RESOL =/"NONSYM ",
                                        /"SYMGEN ",
                                        /"SYMDEF ",
                                        /"AUTO" (by default),
                         ◇ ACCELERATION =/"AUTO ",
                                          /"FR" (by default),
                                          /"FR+",
                                          /"FR++",
                                          /"LR",
                                          /"LR+",
                                          /"LR++",
                         ◇ LOW_RANK_SEUIL = float,
                         ◇ PRETRAITEMENTS =/"SANS ",
                                            /"AUTO" (by default),
                         ◇ POSTTRAITEMENTS =/"SANS ",
                                             /"AUTO" (by default),
                                             /"FORCE ",
                                             /"MINI ",
                         ◇ PCENT_PIVOT = int (default: 35),
                         ◇ NB_RHS = int (default: 1),
                         ◇ RESI_RELA = float (default: -1.0),
                         ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                             /"OUT_OF_CORE ",
                                             /"AUTO" (by default),
                                             /"EVAL ",
                     # If: equal_to (" METHODE ", 'GCPC')
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON" (by default),
                         ◇ PRE_COND =/"LDLT_INC" (by default),
                                      /"LDLT_SP ",
                                      /"LDLT_DP ",
                         ◇ RESI_RELA = float (default: 1e-06),
                         ◇ NMAX_ITER = int,
                         # If: equal_to (" PRE_COND ", 'LDLT_INC')
                             ◇ RENUM = "RCMK ",
                             ◇ NIVE_REMPLISSAGE = int,
                         # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                             ◇ RENUM =/"SANS ",
                                       /"METIS ",
                                       /"PARMETIS" (by default),
                             ◇ REAC_PRECOND = int (default: 30),
                             ◇ PCENT_PIVOT = int (default: 20),
                             ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                                 /"AUTO" (by default),
                             ◇ LOW_RANK_SEUIL = float,
                     # If: equal_to (" METHODE ", 'PETSC')
                         ◇ ELIM_LAGR =/"OUI ",
                                       /"NON" (by default),
                         ◇ ALGORITHME =/"CG",
                                        /"CR",
                                        /"GMRES ",
                                        /"GCR ",
                                        /"FGMRES" (by default),
                                        /"GMRES_LMP ",
                         ◇ OPTION_PETSC = text,
                         ◇ PRE_COND =/"LDLT_INC ",
                                      /"LDLT_SP" (by default),
                                      /"LDLT_DP ",
                                      /"JACOBI ",
                                      /"SOR ",
                                      /"ML",
                                      /"BOOMER ",
                                      /"GAMG ",
                                      /"BLOC_LAGR ",
                                      /"FIELDSPLIT ",
                                      /"UTILISATEUR ",
                                      /"HPDDM ",
                                      /"SANS ",
                         ◇ RESI_RELA = float (default: 1e-06),
                         ◇ NMAX_ITER = int,
                         # If: equal_to (" PRE_COND ", 'LDLT_INC')
                             ◇ RENUM = "RCMK ",
                             ◇ NIVE_REMPLISSAGE = int,
                             ◇ REMPLISSAGE = float (default: 1.0),
                         # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                             ◇ RENUM =/"SANS ",
                                       /"METIS ",
                                       /"PARMETIS" (by default),
                             ◇ REAC_PRECOND = int (default: 30),
                             ◇ PCENT_PIVOT = int (default: 20),
                             ◇ GESTION_MEMOIRE =/"IN_CORE ",
                                                 /"AUTO" (by default),
                             ◇ LOW_RANK_SEUIL = float,
                         # If: equal_to (" PRE_COND ", 'ML')
                             ◇ RENUM = "SANS ",
                         # If: equal_to (" PRE_COND ", 'BOOMER')
                             ◇ RENUM = "SANS ",
                         # If: equal_to (" PRE_COND ", 'GAMG')
                             ◇ RENUM = "SANS ",
                         # If: equal_to (" PRE_COND ", 'HPDDM')
                             ◇ RENUM = "SANS ",
                         # If: equal_to (" PRE_COND ", 'BLOC_LAGR')
                             ◇ RENUM = "SANS ",
                         # If: is_in (" PRE_COND ", ('FIELDSPLIT'))
                             ◇ RENUM = "SANS ",
                             ◇ PARTITION_CMP = int,
                             ◇ NOM_CMP = text,
                         # If: is_in (" PRE_COND ", ('UTILISATEUR'))
                             ◇ KSP_UTIL = not_checked,
                             ◇ RENUM = "SANS ",
                         # If: is_in (" PRE_COND ", ('JACOBI', '', 'SOR', 'SANS'))
                             ◇ RENUM =/"SANS" (by default),
                                       /"RCMK ",
                  ),
                ◇ ENRI_STAT =/"OUI" (by default),
                              /"NON ",
                # If: equal_to (" ENRI_STAT ", 'OUI')
                    ◇ ORTHO =/"OUI ",
                              /"NON" (by default),
                    ◇ FREQ_COUP_STAT = float,
            # If: equal_to (" ISS ", 'OUI')
                ◇ VERSION_MISS =/"V6.6" (by default),
                                 /"V6.5",
                ◇ CALC_IMPE_FORC =/"OUI" (by default),
                                   /"NON ",
                ◆ GROUP_MA_INTERF = GRMA,
                ◆ GROUP_NO_INTERF = grno,
                ◇ TYPE_MODE =/"PSEUDO ",
                              /"CRAIG_BAMPTON" (by default),
                              /"INTERF ",
                # If: equal_to (" TYPE_MODE ", 'INTERF')
                    ◆ NB_MODE_INTERF = int,
                # If: equal_to (" CALC_IMPE_FORC ", 'NON')
                    ◆ UNITE_RESU_IMPE = unit,
                    ◆ UNITE_RESU_FORC = unit,
                # If: equal_to (" CALC_IMPE_FORC ", 'OUI')
                    ◇ UNITE_IMPR_ASTER = unit,
                    ◇ UNITE_RESU_IMPE = unit,
                    ◇ UNITE_RESU_FORC = unit,
                      /TABLE_SOL = table,
                    ◇/MATER_SOL = _F (
                           ◆ E = float,
                           ◆ NU = float,
                           ◆ RHO = float,
                           ◇ AMOR_HYST = float,
                        ),
                    ◇ PARAMETRE = _F (
                         ◆/FREQ_MIN = float,
                         ◇ & FREQ_MAX = float,
                           & ◆ FREQ_PAS = float,
                           /LIST_FREQ = float,
                           /FREQ_IMAG = float,
                         ◇ Z0 = float,
                         ◇ TYPE =/"BINAIRE ",
                                  /"ASCII" (by default),
                         ◇ ALLU = float,
                         ◇ SURF =/"OUI ",
                                  /"NON" (by default),
                         ◇ DREF = float,
                         ◇ & OFFSET_MAX = float,
                           & OFFSET_NB = int,
                         ◇ AUTO =/"OUI ",
                                  /"NON" (by default),
                         # If: equal_to (" AUTO ", 'OUI')
                             ◇ OPTION_DREF =/"OUI ",
                                             /"NON" (by default),
                             ◇ OPTION_RFIC =/"OUI ",
                                             /"NON" (by default),
                             ◇ RFIC = float,
                             ◇ SPEC_MAX = float,
                             ◇ SPEC_NB = int (default: 16384),
                             ◇ COEF_OFFSET = int (default: 12),
                         # If: equal_to (" AUTO ", 'NON')
                             ◇ ALGO =/"DEPL ",
                                      /"REGU ",
                             ◇ RFIC = float,
                             ◇ & SPEC_MAX = float,
                               & SPEC_NB = int,
                      ),
                ◆ | ACCE_X = function_c,
                  | ACCE_Y = function_c,
                  | ACCE_Z = function_c,
                  | DEPL_X = function_c,
                  | DEPL_Y = function_c,
                  | DEPL_Z = function_c,
            # If: equal_to (" IFS ", 'OUI')
                ◇ FORC_AJOU = "OUI" (or not specified),
                ◆ GROUP_MA_INTERF = GRMA,
                ◆ GROUP_MA_FLUIDE = GRMA,
                ◆ MODELISATION_FLU =/"3D",
                                     /"COQUE ",
                ◆ RHO_FLUIDE = _F (
                     ◆ RHO = float,
                     ◆/TOUT = "OUI" (or not specified),
                       /GROUP_MA = grma,
                  ),
                ◆ PRESSION_FLU_IMPO = _F (
                     ◆ PRES_FLUIDE = float,
                     ◆ GROUP_NO = grno,
                  ),
            # If: not exists (" ISS ") and not exists (" IFS ")
                ◇ COMPORTEMENT = _F (
                     ◆ RELATION =/"DIS_CHOC ",
                                  /"ROTOR_FISS ",
                                  /"FLAMBAGE ",
                                  /"ANTI_SISM ",
                                  /"DIS_VISC ",
                                  /"DIS_ECRO_TRAC ",
                                  /"CHOC_ELAS_TRAC ",
                                  /"RELA_EFFO_DEPL ",
                                  /"RELA_EFFO_VITE ",
                     # If: equal_to (" RELATION ", 'DIS_CHOC')
                         ◇ INTITULE = text,
                         ◆/GROUP_MA = grma,
                           /GROUP_NO_1 = grno,
                         ◇/GROUP_NO_2 = grno,
                         ◆ OBSTACLE = table_function,
                         ◇ ORIG_OBST = float,
                         ◆ NORM_OBST = float,
                         ◇ ANGL_VRIL = float,
                         ◇ JEU = float (default: 1.0),
                         ◇ DIST_1 = float,
                         ◇ DIST_2 = float,
                         ◇ SOUS_STRUC_1 = text,
                         ◇ SOUS_STRUC_2 = text,
                         ◇ REPERE = text (default: "GLOBAL "),
                         ◆ RIGI_NOR = float,
                         ◇ AMOR_NOR = float,
                         ◇ RIGI_TAN = float,
                         ◇ AMOR_TAN = float,
                         ◇ FROTTEMENT =/"NON" (by default),
                                        /"COULOMB ",
                                        /"COULOMB_STAT_DYNA ",
                         # If: equal_to (" FROTTEMENT ", 'COULOMB')
                             ◆ COULOMB = float,
                             ◇ UNIDIRECTIONNEL =/"OUI ",
                                                 /"NON" (by default),
                         # If: equal_to (" FROTTEMENT ", 'COULOMB_STAT_DYNA')
                             ◆ COULOMB_STAT = float,
                             ◆ COULOMB_DYNA = float,
                             ◇ UNIDIRECTIONNEL =/"OUI ",
                                                 /"NON" (by default),
                     # If: equal_to (" RELATION ", 'ROTOR_FISS')
                         ◇ ANGL_INIT = float,
                         ◇ ANGL_ROTA = formula/function,
                         ◇/GROUP_NO_G = grno,
                         ◆/GROUP_NO_D = grno,
                         ◆ K_ PHI = formula/function,
                         ◆ DK_DPHI = formula/function,
                     # If: equal_to (" RELATION ", 'FLAMBAGE')
                         ◇ INTITULE = text,
                         ◆/GROUP_NO_1 = grno,
                         ◇/GROUP_NO_2 = grno,
                         ◆ OBSTACLE = table_function,
                         ◇ ORIG_OBST = float,
                         ◆ NORM_OBST = float,
                         ◇ ANGL_VRIL = float,
                         ◇ JEU = float (default: 1.0),
                         ◇ DIST_1 = float,
                         ◇ DIST_2 = float,
                         ◇ REPERE = text (default: "GLOBAL "),
                         ◆ RIGI_NOR = float,
                         ◇ AMOR_NOR = float,
                         ◆ FNOR_CRIT = float,
                         ◆ FNOR_POST_FL = float,
                         ◇ ENFO_FL = float (default: 1e-20),
                         ◇ AMOR_FL = float,
                         ◇ LARG_PLAT = float,
                         ◇ DEPL_POST_FL = float,
                         ◇ RIGI_POST_FL = float,
                         ◇ AMOR_POST_FL = float,
                         ◇ CRIT_AMOR =/"INCLUS" (by default),
                                       /"EXCLUS ",
                     # If: equal_to (" RELATION ", 'ANTI_SISM')
                         ◆/GROUP_NO_1 = grno,
                         ◆/GROUP_NO_2 = grno,
                         ◇ RIGI_K1 = float,
                         ◇ RIGI_K2 = float,
                         ◇ SEUIL_FX = float,
                         ◇ C = float,
                         ◇ PUIS_ALPHA = float,
                         ◇ DX_MAX = float (default: 1.0),
                     # If: equal_to (" RELATION ", 'DIS_VISC')
                         ◆/GROUP_NO_1 = grno,
                         ◆/GROUP_NO_2 = grno,
                         ◆/K1 = float,
                           /UNSUR_K1 = float,
                         ◆/K2 = float,
                           /UNSUR_K2 = float,
                         ◆/K3 = float,
                           /UNSUR_K3 = float,
                         ◆ C = float,
                         ◇ PUIS_ALPHA = float (default: 0.5),
                         ◇ ITER_INTE_MAXI = int (default: 20),
                         ◇ RESI_INTE = float (default: 1e-06),
                     # If: equal_to (" RELATION ", 'DIS_ECRO_TRAC')
                         ◆/GROUP_NO_1 = grno,
                         ◆/GROUP_NO_2 = grno,
                         ◆/FX = function,
                           /FTAN = function,
                         # If: exists (" FTAN ")
                             ◆ ECROUISSAGE =/"ISOTROPE ",
                                             /"CINEMATIQUE ",
                         ◇ ITER_INTE_MAXI = int (default: 20),
                         ◇ RESI_INTE = float (default: 1e-06),
                     # If: equal_to (" RELATION ", 'CHOC_ELAS_TRAC')
                         ◆/GROUP_NO_1 = grno,
                         ◆/GROUP_NO_2 = grno,
                         ◇ DIST_1 = float,
                         ◇ DIST_2 = float,
                         ◆ FX = function,
                     # If: equal_to (" RELATION ", 'RELA_EFFO_DEPL')
                         ◆/GROUP_NO = grno,
                         ◇ SOUS_STRUC = text,
                         ◇ NOM_CMP = text,
                         ◆ FONCTION = tablecloth/formula/function,
                     # If: equal_to (" RELATION ", 'RELA_EFFO_VITE')
                         ◆/GROUP_NO = grno,
                         ◇ SOUS_STRUC = text,
                         ◇ NOM_CMP = text,
                         ◆ FONCTION = tablecloth/formula/function,
                  ),
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices