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PhotoElastic Stress Patterns

PhotoElastic Stress Patterns TO define the science of photoelasticity we need but say that, with the aid of certain optical equipment, it enables us to see the pattern of stress simultaneously over the entire extent of a scale model under test. If desired, the pattern may be seen in all the delicate hues of the spectrum, but for exact analytical measurement it is sometimes preferable to obtain the sharpedged black and white tracing by means of monochromatic light. We might with reason add that the pattern so depicted is complete down to the last detail and represents, in many cases, a unique solution of a complex mathematical problem in elastic deformation. Its application to mechanical engineering design has been widespread and is still reaching out into new fields. By its use it is now possible to trace and measure the intensity and internal distribution of stress in loaded components far more speedily and accurately than can be achieved by any other method. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

PhotoElastic Stress Patterns

Aircraft Engineering and Aerospace Technology , Volume 16 (10): 9 – Oct 1, 1944

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb031172
Publisher site
See Article on Publisher Site

Abstract

TO define the science of photoelasticity we need but say that, with the aid of certain optical equipment, it enables us to see the pattern of stress simultaneously over the entire extent of a scale model under test. If desired, the pattern may be seen in all the delicate hues of the spectrum, but for exact analytical measurement it is sometimes preferable to obtain the sharpedged black and white tracing by means of monochromatic light. We might with reason add that the pattern so depicted is complete down to the last detail and represents, in many cases, a unique solution of a complex mathematical problem in elastic deformation. Its application to mechanical engineering design has been widespread and is still reaching out into new fields. By its use it is now possible to trace and measure the intensity and internal distribution of stress in loaded components far more speedily and accurately than can be achieved by any other method.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Oct 1, 1944

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