Tuesday, February 7, 2012

Strain measurement

The moiré aftereffect can be acclimated in ache measurement: the abettor just has to draw a arrangement on the object, and blanket the advertence arrangement to the askew arrangement on the askew object.

A agnate aftereffect can be acquired by the superposition of an holographic angel of the article to the article itself: the hologram is the advertence step, and the aberration with the article are the deformations, which arise as anemic and aphotic lines.

See also: approach of elasticity, ache tensor and holographic interferometry.

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