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Which of the following is correct?(a) G = 0.5*E / (1+μ)(b) G = 0.5*E(c) G = 0.5*E*(1+μ)(d) G = 0.5 / (1+μ)I have been asked this question in unit test.This interesting question is from Structures Fundamentals topic in portion Structures and Loads of Aircraft Design

Answer»

The correct answer is (a) G = 0.5*E / (1+μ)

To explain: Above EQUATION is showing a typical relationship between SHEAR modulus G, elastic constant E and Poisson’s RATIO µ. Correct relationship is given as follows: G = 0.5*E / (1+μ) where, G = shear modulus, E = elastic constant or YOUNG’s modulus, μ = Poisson’s ratio.



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