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COMPUTATIONAL METHODS FOR GUIDED ULTRASONIC WAVES IN PLATES

Department of Civil Engineering, University of Manitoba, 15 Gillson Street, Winnipeg, MB R3T 5V6, Canada

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Mechanical and Manufacturing Engineering Department, University of Manitoba, 15 Gillson Street, Winnipeg, MB R3T 5V6, Canada

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https://doi.org/10.1142/S0219876206000576Cited by:2 (Source: Crossref)

Abstract

Reducing the general problem of computing three-dimensional Green's function in a transversely isotropic plate to a finite summation of contributions from a series of planar problems can efficiently yield an accurate solution. Hence, solving the planar scattering problem, of the Pressure-Shear-Vertical (PSV) type or the Shear-Horizontal (SH) type, was performed by three different techniques: The boundary element method; the hybrid method; and the perfectly matched layer method. In the pursuit of these methods, the objective was to highlight their pros and cons in terms of accuracy and efficiency.

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