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A spectral super element for modelling of plate vibration. Part 2: turbulence excitation
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0002-9031-3662
2005 (English)In: Journal of Sound and Vibration, ISSN 0022-460X, E-ISSN 1095-8568, Vol. 287, no 02-jan, 315-328 p.Article in journal (Refereed) Published
Abstract [en]

In the accompanying paper, the suitability of a spectral super element to predict the response to point force excitation, was demonstrated. This paper expands the element formulation to also include distributed forces, which is useful when studying distributed excitation. First the sensitivity function, i.e. the structural response to a travelling pressure wave, is found. This sensitivity function and a wavenumber frequency description of the wall pressure are then used to predict the response of a turbulence excited panel in a numerically efficient way. The predictions were validated by a conventional finite element method and also compared to measurements.

Place, publisher, year, edition, pages
2005. Vol. 287, no 02-jan, 315-328 p.
Keyword [en]
wall pressure, pipes, field
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-14984DOI: 10.1016/j.jsv.2004.11.011ISI: 000231323900015ScopusID: 2-s2.0-22344438215OAI: diva2:333025

QC 20100525

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2016-05-09Bibliographically approved

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Finnveden, Svante
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