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A digital shearing speckle interferometry technique for modal analysis

โœ Scribed by T.W. Ng; F.S. Chau

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
608 KB
Volume
42
Category
Article
ISSN
0003-682X

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โœฆ Synopsis

A BSTRA CT

Digital shearing speckle interferometry is a laser-based, optical, non-contacting and non-destructive method widely used for the stress and strain analysis of loaded static objects. In this paper, the authors have adapted the technique for whole-field modal analysis. The theoretical basis for this technique is presented and experimental verification is performed on a thin square plate fully constrained and subjected to a steady-state excitation.

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