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Project a matrix assembled on the basis of mechanical eigenmodes or on the basis of RITZ. The projected result matrix will be used by generalized component calculation algorithms (DYNA_TRAN_MODAL [:external:ref:`U4.53.21 <U4.53.21>`] for example).

You can use PROJ_BASE [:ref:`U4.63.11 <U4.63.11>`] to process multiple matrices simultaneously.

Produce a generalized matrix concept of type Matr_asse_Gene_R if the assembled matrix to be projected is of type Matr_asse_Depl_R or type Matr_asse_Gene_R.

Produce a generalized matrix concept of type Matr_asse_Gene_C if the assembled matrix to be projected is of type Matr_asse_Depl_C or type Matr_asse_Gene_C.