Plate made of elastic material and composite structure for damping out vibrations including such plates

摘要

This plate made of elastic material includes flutings (4) on its internal face and, on its external face, relieved parts (7) in the form of truncated pyramids on a rectangular base located in rows parallel to the flutings, the bases of the pyramids being located alternately in the extension of one another with their long sides parallel to the flutings and parallel to one another with their long sides perpendicular to the flutings. IMAGE