Question: Solve Prob. F81 using Castiglianos theorem. Data from Prob. F81 Determine the vertical displacement of joint B. AE is constant. Use the principle of virtual

Solve Prob. F8–1 using Castigliano’s theorem.

Castigliano's Theorem. Setting P = 20 kN, its actual value, and applying

Data from Prob. F8–1

Determine the vertical displacement of joint B. AE is constant. Use the principle of virtual work.Eq. 8-28, 3 kN Ac 3 kN = = = |x|1 -

Castigliano's Theorem. Setting P = 20 kN, its actual value, and applying Eq. 8-28, 3 kN Ac 3 kN = = = |x|1 - 2 m 0 M M (34x4x1)(0.5x1) dx *(18x2)(0.5x) dx2 JM dx aP/EI 234.7 kNm 192 kN.m M' (c) Fig. 8-28 + M 5 426.7 kN m

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