. An aluminum bar is 300 mm long, has a constant cross section of 800 mm2, a modulus of elasticity E = 105 GPa, and a coefficient of thermal expansion k = 23 × 10−6 per ◦C. It is supported at each end...

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. An aluminum bar is 300 mm long, has a constant cross section of 800 mm2, a modulus

of elasticity E = 105 GPa, and a coefficient of thermal expansion k = 23 × 10−6 per ◦C.

It is supported at each end so that its length remains constant, but it is free to expand

laterally. It is subjected to a temperature increase T = 30◦C.

(a) Determine the longitudinal stress and strain due to T .

(b) A longitudinal load P = 500 kN is applied at the midlength of the bar, in addition

to the temperature increase T . Determine the longitudinal stress and strain in each

half of the bar.

Answered 163 days After Dec 10, 2021

Solution

Sonam answered on May 23 2022

108 Votes

SOLUTION.PDF