This technical note shows that the determination of the stresses induced in multi-metal beams by temperature changes reduces to solving a linear system of equations. This system of equations has a very particular structure that allows one to obtain a closed form solution easily.
Cifuentes, Arturo. "A Note on the Determination of the Thermal Stresses in Multi-Metal Beams Subjected to Temperature Variations." ASME Journal of Electronic Packaging 113, no. 4 (December 1991): 425-427.
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