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Waves in thin-walled fluid-filled ducts with arbitrary cross-sections
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0002-9031-3662
2008 (English)In: Journal of Sound and Vibration, ISSN 0022-460X, E-ISSN 1095-8568, Vol. 310, no 1-2, 58-76 p.Article in journal (Refereed) Published
Abstract [en]

First, a variational formulation for fluid-shell coupling is presented. Subsequently new waveguide finite elements for fluid and fluid-shell coupling are derived from this formulation. Together with previously derived elements, modelling thin-walled shells, equations for pipes and ducts with arbitrary cross-sections may be formulated. Two examples, one pipe and one duct, are presented together with dispersion curves for the respective case.

Place, publisher, year, edition, pages
2008. Vol. 310, no 1-2, 58-76 p.
Keyword [en]
finite-element scheme, transmission, propagation, guides, formulation, vibration, velocity, motion, pipes, flow
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-17314DOI: 10.1016/j.jsv.2007.07.081ISI: 000253059600004Scopus ID: 2-s2.0-36248937187OAI: oai:DiVA.org:kth-17314DiVA: diva2:335358
Note

QC 20100525

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Finnveden, Svante

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