.. _U4.66.01:

**u4.66.01** Operator CALC_MATR_AJOU
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    self

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    But
    Syntaxe
    Op_randes
    Phase_d_ex_cution
    Exemple___Calcul_de_la_matrice_de_masse_ajout_e_d_une_structure_constitu_e_de_deux_cylindres_concentriques_s_par_s_par_un_fluide_incompressible