What is the relation between Modulus of rigidity(G), Youngs modulus (Y) and Bulk modulus(B) ?
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Solution
Relations between modulii of elasticity and poissons ratio is Y=3B(1−2μ)...(i) Y=2G(1+μ)..(ii)
Form (ii), μ=Y2G−1
Substituting in equation (i) Y=3B(1−2(Y2G−1))...(i) Y=3B(3−YG) Y3B=(3−YG) 3Y=13B+1G