Examples
========


Calculation of mechanical eigenmodes
----------------------------------


.. code-block:: text

    ASSEMBLAGE (MODELE = mo, CHARGE = ch_blocking,
CHAM_MATER = chmat, CARA_ELEM = character,
NUME_DDL = CO ("naked"),
MATR_ASSE = (_F (MATRICE = CO ("K"), OPTION = 'RIGI_MECA'),
_F (MATRICE = CO ("M"), OPTION = 'MASS_MECA'),),


    fashion = CALC_MODES (MATR_RIGI = K,

    MATR_MASS = M,

    ...)


Calculation of Euler buckling modes
-------------------------------------


.. code-block:: text

    # chsief is the load constraint field


.. code-block:: text

    ASSEMBLAGE (MODELE = mo, CHARGE = ch_blocking,
CHAM_MATER = chmat, CARA_ELEM = character,
NUME_DDL = CO ("naked"),

    MATR_ASSE = (_F (MATRICE = CO ("K"), OPTION =' RIGI_MECA '),
_F (MATRICE = CO ("KG"), OPTION =' RIGI_GEOM ', SIEF_ELGA =head),),


    modflamb = CALC_MODES (MATR_RIGI = K,

    MATR_MASS = KG,

    ...)


Forced response calculation
------------------------


.. code-block:: text

    ASSEMBLAGE (MODELE = mo, CHARGE = ch_blocking,
CHAM_MATER = chmat, CARA_ELEM = character,
NUME_DDL = CO ("naked"),
MATR_ASSE = (_F (MATRICE = CO ("K"), OPTION = 'RIGI_MECA'),
_F (MATRICE = CO ("M"), OPTION = 'MASS_MECA'),),
VECT_ASSE = (_F (VECTEUR = CO ("F"), OPTION =' CHAR_MECA ', CHARGE =CHAR_A),)


    answer = DYNA_VIBRA (MATR_RIGI = K, MATR_MASS = M,
EXCIT = _F (VECT_ASSE = F,...)...)