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A platform for research: civil engineering, architecture and urbanism
Circumventing space sampling limitations in mechanical vibrations
The first part of this paper will provide a critical review of the main technologies contributing to the analysis of high frequency structural-acoustic coupling. The characteristics of the different approaches as the finite element method (FEM), the statistical energy analysis (SEA), and the boundary element method (BEM) are illustrated, focusing similarities and differences among them. The second part will focus on the most efficient of the envelope models, CEDA (Complex Envelope Displacement Analysis), that is now completely developed for one-dimensional systems. Simulated results are presented to emphazise the character of the envelope solution. Concluding remarks are drawn, showing the promising extensions of this approach.
Circumventing space sampling limitations in mechanical vibrations
The first part of this paper will provide a critical review of the main technologies contributing to the analysis of high frequency structural-acoustic coupling. The characteristics of the different approaches as the finite element method (FEM), the statistical energy analysis (SEA), and the boundary element method (BEM) are illustrated, focusing similarities and differences among them. The second part will focus on the most efficient of the envelope models, CEDA (Complex Envelope Displacement Analysis), that is now completely developed for one-dimensional systems. Simulated results are presented to emphazise the character of the envelope solution. Concluding remarks are drawn, showing the promising extensions of this approach.
Circumventing space sampling limitations in mechanical vibrations
Die Umgehung der räumlichen Bemusterungsgrenzen bei Hochfrequenz-Schwingungen von Balken
Sestieri, A. (author) / Carcaterra, A. (author)
Meccanica ; 31 ; 163-176
1996
14 Seiten, 8 Bilder, 15 Quellen
Article (Journal)
English
Schwingungsverhalten , Balken , frei tragender Träger , Schallemission , Schallquelle , Hüllkurve , mathematisches Modell , mathematische Transformation , Finite-Elemente-Methode , statistisches Verfahren , Rand-Elemente-Methode , Differenzialgleichung , Näherungsverfahren , Wärmeübertragung , Verlagerung , Vektor , Integralgleichung , Durchbiegung
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