Analytical prediction and experimental measurement for mode conversion and scattering of plate waves at non-symmetric circular blind holes in isotropic plates

Cegla, F. B., Rohde, A. and Veidt, M. (2008) Analytical prediction and experimental measurement for mode conversion and scattering of plate waves at non-symmetric circular blind holes in isotropic plates. Wave Motion, 45 3: 162-177. doi:10.1016/j.wavemoti.2007.05.005


Author Cegla, F. B.
Rohde, A.
Veidt, M.
Title Analytical prediction and experimental measurement for mode conversion and scattering of plate waves at non-symmetric circular blind holes in isotropic plates
Journal name Wave Motion   Check publisher's open access policy
ISSN 0165-2125
Publication date 2008-01-01
Year available 2008
Sub-type Article (original research)
DOI 10.1016/j.wavemoti.2007.05.005
Open Access Status Not yet assessed
Volume 45
Issue 3
Start page 162
End page 177
Total pages 16
Place of publication Netherlands
Publisher Elsevier BV
Language eng
Subject 0913 Mechanical Engineering
8599 Other Energy
CX
Abstract A model for guided wave scattering from non-symmetric blind holes in isotropic plates using Poisson and Mindlin plate wave theories for in-plane and flexural wave modes, respectively, is presented. It makes use of the wave function expansion technique and coupling conditions at the defect boundary in order to evaluate the scattered far fields of the three fundamental guided wave modes. The results were compared to other analytical models as well as experimental measurements for mode conversion from S0 to A0. Measurements agreed well with predictions confirming the validity of the model, highlighting at the same time the strong frequency dependence of the scattering and mode conversion behaviour.
Keyword Plate waves
Scattering
Mode conversion
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Wed, 08 Apr 2009, 18:58:40 EST by Gail Smith on behalf of School of Mechanical and Mining Engineering