AbstractFor a straight or thin curved beam, the expression for strain energy due to bending is U = M2 L/(2EI); for this to be applicable to a thick curved beam, the requisite length is slightly greater than the centre-line length.Keywordsstrain energythick curved beamGet full access to this articleView all access options for this article.Get accessReferences1. Benham P. P. Crawford R. J. Armstrong C. G. Mechanics of Engineering Materials, 2nd edition, 1996 (Longman, London).2.3. Timoshenko S. P. Goodier J. N. Theory of Elasticity, 3rd edition, 1982 (McGraw-Hill, New York).4. Weisstein E. W. Lambert W-function, http://mathworld.wolfram.com/LambertW-Function.html.
