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https://hdl.handle.net/2440/71326
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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 1741-2765 |
Statement of Responsibility: | 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 |
DOI: | 10.1007/s11340-011-9545-5 |
Published version: | http://dx.doi.org/10.1007/s11340-011-9545-5 |
Appears in Collections: | Aurora harvest 5 Environment Institute publications Materials Research Group publications Mechanical Engineering publications |
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