Application Of Digital Correlation Methods To Rigid Body Mechanics

The random nature of white light speckle is combined with newly developed video digital data acquisition procedures to experimentally determine parameters of interest for a rigid body dynamics problem. Digital correlation of subsequent images during a dynamic event is shown to yield displacements an...

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Bibliographic Details
Published in:Optical Engineering 1983-12, Vol.22 (6), p.226738-226738
Main Authors: Peters, W. H, Ranson, W. F, Sutton, M. A, Chu, T. C, Anderson, J
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Measurement and testing methods
Physics
Solid mechanics
Structural and continuum mechanics
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Summary:The random nature of white light speckle is combined with newly developed video digital data acquisition procedures to experimentally determine parameters of interest for a rigid body dynamics problem. Digital correlation of subsequent images during a dynamic event is shown to yield displacements and velocities of discrete points in the rigid body and, therefore, the angular velocity and linear velocity of the rigid body.
ISSN:0091-3286
1560-2303
DOI:10.1117/12.7973231