Scanning laser vibrometer for non-contact three-dimensional displacement and strain measurements
Date
2008
Authors
Cazzolato, B.
Wildy, S.
Codrington, J.
Kotooussov, A.
Schuessler, M.
Editors
Advisors
Journal Title
Journal ISSN
Volume Title
Type:
Conference paper
Citation
Annual conference of the Australian Acoustical Society: (AAS'08), 24-26 November 2008:www1-www9
Statement of Responsibility
Ben Cazzolato, Stuart Wildy, John Codrington, Andrei Kotousov and Matthias Schuessler
Conference Name
Australian Acoustical Society. Conference (2008 : Geelong, Vic.)
Abstract
The recent advent of three-dimensional scanning laser vibrometers has enabled extremely accurate non-contact measurement of the three-dimensional displacements of structures. This paper looks at the feasibility of using a scanning laser vibrometer for the non-contact measurement of dynamic strain fields across the surface of a planar structure. Is-sues such as laser head alignment and choice of finite-difference scheme are discussed. Finally, experimental results of a test specimen are presented which clearly demonstrate the significant potential of this new experimental technique.