Determine the elongation d by the unit-ioad method

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A vertical prismatic bar of length Land weight y per unit volume hangs from one end. The stress-strain relationship for the material is σn = B?, where n and Bare constants.

(a) Determine the elongation δ of the bar by evaluating the complementary energy and using the Crotti-Engesser theorem.

(b) Determine the elongation δ by the unit-Ioad method.

Reference no: EM131178211

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