Adaptive metaComposites: modeling, prototyping, manufacturing and reliability for vibroacoustics

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This project, in collaboration between GAUS (University of Sherbrooke, Canada), FEMTO-ST Institute (Franche-Comté, France) and LTDS (École Centrale de Lyon, France) aims at developing a new concept of "smart meta-composite", namely an active-passive smart composite, designed for sound and vibration applications. This meta-composite combines the natural absorption (passive part) of open cell foams and active inclusions (electro-active materials) suitably located and electronically controlled to ensure maximum acoustic performance over the entire audible frequency range. The low frequency domain, which represents the major challenge of sound insulation, is more particularly concerned, since in this range conventional treatments are practically inefficient.