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physics.app-ph2024
Analytical and experimental results: creation of a duffing acoustic nonlinear oscillator at low amplitudes
Maxime Morell, Manuel Collet, Emmanuel Gourdon +2
Nonlinear dynamics have long been exploited in order to damp vibrations in solid mechanics. The phenomenon of irreversible energy transfer from a linear primary system to a nonline…
physics.app-ph2021
Innovative Electroacoustic resonator Control enforcing Duffing dynamics at moderate excitation levels: conception and experimental validation
Emanuele De Bono, Maxime Morell, Manuel Collet +3
The electroacoustic resonator is an effcient electro-active device for noise attenuation in enclosed cavities or acoustic waveguides. It is made of a loudspeaker (the actuator) and…