3. Operands

3.1. Keyword MATR_ASSE

/MATR_ASSE

It is possible to overwrite a matr_asse object with the result of the operation. In this case, it is mandatory to specify here which object is being reused.

3.2. Keyword COMB_R

/COMB_R

Description of the terms of the linear combination producing a matrix with real coefficients.

3.2.1. Operand PARTIE

/”IMAG”,

To perform extractions or linear combinations of imaginary or real part (s) of complex matrices.

3.2.2. Operand MATR_ASSE

Name of the matr_asse_* concept to be combined.

3.2.3. Operand COEF_R

Real coefficient to apply to the argument concept of MATR_ASSE.

3.3. Keyword COMB_C

/COMB_C =

Description of the terms of the linear combination producing a matrix with complex coefficients.

3.3.1. Reminder on the syntax of complex values

Complex values can be declared in two different ways:

• in the form \(a+\mathrm{ib}\) with the syntax « RI, a, b » where a and b are real numbers,

• in the form \((\mathrm{module},\mathrm{phase})\) with « MPmod, ph » where mod and ph are real numbers

(ph in degrees).

3.3.2. Operand MATR_ASSE

Name of the matr_asse_* concept to be combined.

3.3.3. Operands COEF_R/COEF_C

Real coefficient to apply to the argument concept of MATR_ASSE.

/COEF_C = c

Complex coefficient to apply to the argument concept of MATR_ASSE.

3.4. Keyword CALC_AMOR_GENE

This keyword makes it possible to build an object of type Matr_asse_Gene_R corresponding to Basile’s damping matrix from a list of reduced depreciations, (keyword AMOR_REDUIT or LIST_AMOR).

MASS_GENE = masgen, RIGI_GENE = riggen,

masgen and riggen are the 2 generalized matrices of mass and stiffness.

3.5. Operand SANS_CMP = “LAGR”

This operand has the effect of setting to « zero » the terms of the assembled matrix (result) corresponding to the rows and columns of the Lagrange degrees of freedom.