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The dependence of stress distribution on elastic constants

Margery Clutterbuck

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Experimental methods in stress analysis are becoming increasingly important in the design of engineering structures, particularly in the aircraft and associated industries. In this paper, the effect of the elastic constants on certain stress distributions is investigated using the photoelastic technique. Similarity in stress distributions is obtained by suitable adjustment of the loads with respect to the Young's moduli of the materials from which the models are made, but no such adjustment is possible to compensate for the differences in their Poisson's ratios. The error introduced by this effect is considered by reference to problems of a particular type, from which some general conclusions are drawn.


PACS

81.40.Jj Elasticity and anelasticity, stress-strain relations

62.20.D- Elasticity

Subjects

Condensed matter: structural, mechanical & thermal

Dates

Issue 8 (August 1958)

Received 30 September 1957



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