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Type: Journal article
Title: Surface Strain Measurements Using a 3D Scanning Laser Vibrometer
Author: Weisbecker, H.
Cazzolato, B.
Wildy, S.
Marburg, S.
Codrington, J.
Kotooussov, A.
Citation: Experimental Mechanics, 2012; 52(7):805-815
Publisher: Sage Publications Inc
Issue Date: 2012
ISSN: 0014-4851
Statement of
H. Weisbecker, B. Cazzolato, S. Wildy, S. Marburg, J. Codrington and A. Kotousov
Abstract: Three-dimensional scanning laser vibrometers enable extremely accurate non-contact measurement of the three-dimensional displacements on the surface of structures. This paper looks at the feasibility of using such a scanning laser vibrometer for the noncontact measurement of dynamic strain fields across the surface of a planar structure subjected to in-plane loading. Issues such as laser head alignment and choice of differentiation filter parameters are discussed. Finally,experimental results of two test specimens are presented which clearly demonstrate the significant potential of this new experimental technique as well as highlighting several limitations.
Keywords: 3D laser scanning vibrometry; displacement; strain; optical measurements
Rights: © Society for Experimental Mechanics 2011
RMID: 0020118587
DOI: 10.1007/s11340-011-9545-5
Appears in Collections:Mechanical Engineering publications
Materials Research Group publications
Environment Institute publications

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