4. Operands#

4.1. Operand MODELE_MECA/CHAM_MATER_MECA/CARA_ELEM_MECA#

♦ MODELE_MECA = mo

Model name for mechanical calculations.

♦ CHAM_MATER_MECA = chmat

The name of the material field assigned on the mo model.

♦ CARA_ELEM_MECA = character

Name of the characteristics (characteristics) of the structural elements (shell, beam, pipe, bar, cable, discrete elements, etc.) affected on the model mo. This keyword is mandatory: it is assumed that this command is always used with structural elements.

4.2. Operand BLOC#

♦ BLOC = tank,

Name of the mechanical load to block the movement of rigid bodies of the structure. This load will be present for all combinations.

4.3. Operand MODELE_THER/CARA_ELEM_THER/BLOC_THER#

These three keywords are optional and are only required when there are thermal loads for MEMBRANE structural elements. Indeed the elements MEMBRANE are not compatible with the command variables. The command therefore proposes to make an approximation by replacing them with elements DKT for thermal loads. Therefore, the calculation requires a new mechanical model, where DKTremplace MEMBRANE, as well as characteristics of the elements and the blocking load assigned to this model.

◊ MODELE_THER = mo_ther,

Name of the mechanic model for calculations with DKT to replace MEMBRANE.

◊ CARA_ELEM_THER = character_ther,

Name of the characteristics (carac) of the structural elements affected on the mo_ther model.

◊ BLOC_THER = char2,

Name of the mechanical load to block the movement of rigid bodies.

4.4. Keyword EXCIT_MECA#

♦ EXCIT_MECA = _F (),

This keyword factor makes it possible to describe a mechanical loading and its name in the coefficient table at each occurrence (see § 4.6).

4.4.1. Operands CHAR_MECA#

♦ CHAR_MECA = chari,

chari is the individual mechanical load from command AFFE_CHAR_MECA for combinations.

4.4.2. Operands NOM_CHAR#

♦ NOM_CHAR = name,

The name of the load. It should be consistent with the name given in the coefficient table (see § 4.6).

4.5. Keyword EXCIT_THER#

◊ EXCIT_THER = _F (),

This factor keyword makes it possible to describe a thermal loading at each occurrence, and possibly its name in the coefficient table.

Thermal loads are taken into account in cham_material format by affecting one or more temperature fields (AFFE_VARC).

4.5.1. Operands CHAM_MATER_THER#

♦ CHAM_MATER_THER = chmat_ther,

Name of the material field to affect thermal loads.

Attention:

chmat_ther comes from the AFFE_MATERIAU command but we ask to do the assignment on the mesh and not the model, because the thermal calculation can use two different models when there are thermal loads for MEMBRANE.

4.5.2. Operands NOM_CHAR#

♦ NOM_CHAR = name,

The name of the load. It should be consistent with the name shown in the coefficient table.

4.6. Operand TABLE_COEF#

♦ TABLE_COEF = my table,

Name of the table with the coefficients of the combinations for all loads.

Each column should represent a loading with a name, which is consistent with the name shown in EXCIT_MECA/EXCIT_THER. The table may contain more loads than those in the calculation.

Each line should represent a combination. Each coefficient will be used to multiply the load in the corresponding combination.

4.7. Operand LIST_INST_THER#

◊ LIST_INST_THER = list,

This operand allows you to define a list of times for thermal loads. It is necessary when thermal loads are present.

4.8. Keyword COMPORTEMENT#

◊ COMPORTEMENT = _F (),

This factor keyword defines the relationship for specific elements. By default, ELAS for the whole structure.

Although combination calculations are in the elastic domain, there are elements that need to explicitly define specific relationships:

MULTIFIBREpour the POU_D_TGM, POU_D_EM models
CABLEpour modeling CABLE

4.8.1. Operands TOUT/GROUP_MA#

◊/TOUT = “OUI”,

/GROUPE_MA = g_mail,

This makes it possible to specify the elements to be affected for the behavior.

4.8.2. Operands RELATION#

♦ RELATION = “ELAS”/”MULTIFIBRE”/”CABLE”

Relationship for elements. By default everything is elastic.

4.9. Keyword CHAM_RESU#

♦ CHAM_RESU = _F (),

This factor keyword makes it possible to define the fields and components desired for post-treatments.

4.9.1. Operands NOM_CHAM#

♦ NOM_CHAM = chpsymbol,

Name of the desired field for post-treatments.

4.9.2. Operands NOM_CMP#

♦ NOM_CMP = lcmp,

List of the names of the components of the desired chpsymbol field. It is mandatory because the components of some fields are different for the structural elements.

4.10. Operand TABLE_RESU#

♦ TABLE_RESU = _F (),

This factor keyword makes it possible to define post-processing tables and to print them.

4.10.1. Operands TABLE#

♦ TABLE = table,

Table name..

4.10.2. Operands OPTION/CRIT_COMP#

♦ OPTION = “COEF_COMB”/”CALC_COMB”/”EXTREMA”,

◊ CRIT_COMP = “TOUT”/”MAXI”/””/”MINI”/”MAXI_ABS”/”MINI_ABS”,

The OPTION operand allows you to choose the output tables:

“COEF_COMB” for the lists of combinations and their coefficients. Each row in the table is a combination, named « COMB_i » (the first i combinations correspond to the i individual loads). Each column corresponds to an individual load with their names as parameters (shown in EXCIT_MECA/THER). Note: for thermal loading, there are two columns, name_ MAX and name_ MIN. This table is useful for checking the calculated combinations.
“CALC_COMB” for the envelope results (MAXI, MINI) of all components of the requested fields in each combination.
“EXTREMA” for envelope results for all combinations. You can specify the choice with CRIT_CMP.

4.10.3. Operands UNITE#

◊ UNITE = unittab,

Printing unit if you want to print the table. If absent, it is not printed out.

4.11. Operand IMPRESSION/UNITE#

◊ IMPRESSION =/”NON”, [DEFAUT]

/”OUI”,

♦ UNITE = united,

IMPRESSION allows you to print field results in MED format. The file can be very large, so this operand is equal to “NON” by default. If you want to print it, you have to define UNITE.