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Waves in elastic and poro-elastic cylinders with spatially varying anisotropy
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, MWL Structural and vibroacoustics. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.
2012 (English)In: Proceedings Of International Conference On Noise And Vibration Engineering (ISMA2012) / International Conference On Uncertainty In Structural Dynamics (USD2012), 2012, 4193-4200 p.Conference paper (Refereed)
Abstract [en]

A modelling approach for studying waves in elastic and poro-elastic cylinders with spatially varying anisotropy is proposed. The formulation utilizes a spatial Fourier expansion for the azimuthal angle is used for the Hooke's tensor and the dependent variables. This causes the orthogonality of the modes to break down, and the modes will, sometimes to a very high degree, spread. The special case of anisotropic media having principal directions coinciding with a Cartesian coordinate system is studied, and the degree of mode spreading is discussed.

Place, publisher, year, edition, pages
2012. 4193-4200 p.
Keyword [en]
Complex-Modes, Formulation, Resolution, Equations
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-125800ISI: 000321063904031ScopusID: 2-s2.0-84906337731ISBN: 978-90-73802-89-6OAI: diva2:640980
International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD), KU Leuven, Dept Mech Engn, Leuven, Belgium,Sep 17-19, 2012

QC 20130815

Available from: 2013-08-15 Created: 2013-08-13 Last updated: 2013-08-15Bibliographically approved

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