EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||8|
|Published online||10 June 2010|
Whole-field measurement of three-dimensional stress by scattered-light photoelasticity with unpolarized light
School of Science and Engineering, Kinki
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In digital scattered-light photoelasticity with unpolarized light (DSLPUL), secondary principal stress direction ψj and total relative phase retardation ρjtot in a three-dimensional stressed model with rotation of the principal stress axes are obtained by measuring Stokes parameters of scattered light from optical slices. The present paper describes intelligibly the principle of DSLPUL, and then demonstrates that the ψj and ρjtot in a frozen stress sphere model are nondestructively measured over the entire field.
© Owned by the authors, published by EDP Sciences, 2010
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