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A spectral super element for modelling of plate vibration. Part 1: general theory
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, 297-314 p.Article in journal (Refereed) Published
Abstract [en]

The dynamic response of vibrating structures is studied with a proposed merger of the standard finite element method with the more computationally efficient spectral finite element method. First a plate structure is modelled with a newly developed spectral super element. Then this element is coupled to other parts that can have a more complex geometry and are modelled entirely with conventional finite elements. Some numerical examples are given to illustrate and validate the developed method and studies of numerical stability are also presented. In an accompanying paper the predicted and measured response of a turbulence excited aircraft panel are compared.

Place, publisher, year, edition, pages
2005. Vol. 287, no 02-jan, 297-314 p.
Keyword [en]
guides, thin
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-14983DOI: 10.1016/j.jsv.2004.11.012ISI: 000231323900014ScopusID: 2-s2.0-22344446548OAI: diva2:333024

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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