Influence of the pre-stress of the nonlinear membrane absorber for targeted energy transfer applied to 3D acoustic cavity
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-020-02646-2
Abstract: The targeted energy transfer (TET) technique could be applied to reduce the low frequency noise by a nonlinear membrane absorber as nonlinear energy sink (NES) inside a tube or an acoustic cavity. The pre-stress of… read more here.
Keywords: pre stress; membrane; nonlinear membrane; acoustic cavity ... See more keywords
Experimental study of a hybrid electro-acoustic nonlinear membrane absorber
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DOI: 10.1016/j.jsv.2018.03.014
Abstract: Abstract A hybrid electro-acoustic nonlinear membrane absorber working as a nonlinear energy sink (here after named EA-NES) is described. The device is composed of a thin circular visco-elastic membrane working as an essentially cubic oscillator.… read more here.
Keywords: hybrid electro; membrane absorber; nonlinear membrane; acoustic nonlinear ... See more keywords