dynamic photoelasticity

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Photoelasticity — is an experimental method to determine stress distribution in a material. The method is mostly used in cases where mathematical methods become quite cumbersome. Unlike the analytical methods of stress determination, photoelasticity gives a fairly … Wikipedia
strain gauge — Geol. a type of extensometer designed for geophysical use. Also called strainmeter /strayn mee teuhr/, strainometer /stray nom i teuhr/. [1905 10] * * * Device for measuring the changes in distances between points in solid bodies that occur when… … Universalium
Dislocation — For the syntactic operation, see Dislocation (syntax). For the medical term, see Joint dislocation. In materials science, a dislocation is a crystallographic defect, or irregularity, within a crystal structure. The presence of dislocations… … Wikipedia
Contact mechanics — Continuum mechanics … Wikipedia

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