Active structural modal control for sound reduction in an enclosure: Experimental verification
Sign Up to like & getrecommendations! Published in 2021 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2021.107965
Abstract: Abstract Sound radiation from a vibrating enclosure into an enclosed space can be actively reduced using sensors and actuators attached to the enclosure. However, the sound cannot be effectively reduced by merely minimizing the structural… read more here.
Keywords: structural modal; control; vibration; acoustically contributive ... See more keywords
A survey of the application of the cepstrum to structural modal analysis
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2018.08.059
Abstract: Abstract The cepstrum has a very long history, since the first paper was published in 1963, two years before the publication of the FFT algorithm. The first application was to the determination of echo delay… read more here.
Keywords: structural modal; modal analysis; analysis; survey application ... See more keywords
Geometrically Nonlinear Structural Modal Analysis Using Fictitious Masses
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DOI: 10.2514/1.j054787
Abstract: In this paper, a new method to obtain a geometrically nonlinear structural dynamics model based on the full linear finite element model of slender structures is presented. For this purpose, a finit... read more here.
Keywords: geometrically nonlinear; nonlinear structural; using fictitious; modal analysis ... See more keywords