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Unformatted text preview: the vertical deflection at the center of the beam. Hint: the problem is symmetric. z x Problem 4 A beam of length L is laminated from two thinner beams of different materials as shown below. The two beams have the same rigidity EI , however the two materials have different thermal expansion coefficients. Assuming the two beams are bonded together such that they do not slip relative to one another, find the deflection of the midpoint after a uniform temperature change, T . Use Castigliano's theorem....
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 Spring '08
 PETERS
 Vertical direction, Castigliano, Carlo Alberto Castigliano, Castigliano's method

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