Actions for Phase velocity spectrum analysis for a time delay comb transducer for guided wave mode excitation [electronic resource].

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Phase velocity spectrum analysis for a time delay comb transducer for guided wave mode excitation [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
PDF-FILE: 11 ; SIZE: 1.8 MBYTES pages
Additional Creators
Lawrence Livermore National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A theoretical model for the analysis of ultrasonic guided wave mode excitation of a comb transducer with time delay features was developed. Time delay characteristics are included via a Fourier transform into the frequency domain. The phase velocity spectrum can be used to determine the mode excitation on the phase velocity dispersion curves for a given structure. Experimental and theoretical results demonstrate the tuning of guided wave modes using a time delay comb transducer.
Report Numbers
E 1.99:ucrl-jc-138500
ucrl-jc-138500
Subject(s)
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Note
Published through SciTech Connect.
09/26/2000.
"ucrl-jc-138500"
28th Annual Review of Progress in Quantitative Nondestructive Evaluation, Brunswick, ME (US), 07/29/2001--08/03/2001.
Rose, J L; Quarry, M J.
Funding Information
W-7405-ENG-48
View MARC record | catkey: 14348628