But === Print a macr_elem_dyna data structure in IDEAS and MISS_3D formats. We print: * the definition of a link interface between a macrostructure and its external environment, * a modal base (dynamic modes of the macro-structure and static modes resulting either from unit movements imposed at the interface, or from unit forces imposed on the interface), * the macro-structure mass and stiffness matrices projected on the previous modal basis. .. _FinBut: