Title
Material properties identification using ultrasonic waves and laser Doppler vibrometer measurements : a multi-input multi-output approach Material properties identification using ultrasonic waves and laser Doppler vibrometer measurements : a multi-input multi-output approach
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
article
Publication
Bristol ,
Subject
Engineering sciences. Technology
Source (journal)
Measurement science and technology. - Bristol
Volume/pages
24(2013) :10 , p. 1-6
ISSN
0957-0233
0957-0233
Article Reference
105206
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Abstract
In this paper a multi-input multi-output approach able to determine the material properties of homogeneous materials is presented. To do so, an experimental set-up which combines the use of multi harmonic signals with interleaved frequencies and laser Doppler vibrometer measurements has been developed. A modeling technique, based on transmission and reflection measurements, allowed the simultaneous determination of longitudinal wave velocity, density and thickness of the materials under test with high levels of precision and accuracy.
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