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In temperature effect, initial strain, ε0= ____

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+1 vote
in Finite Element Method by (110k points)
In temperature effect, initial strain,  ε0= ____

(a) α ΔT

(b) α+ΔT

(c) α-ΔT

(d) Load

I have been asked this question during an interview.

My question is from One Dimensional Problems in chapter One Dimensional Problems of Finite Element Method

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The correct option is (a) α ΔT

To explain: Strain is relative change in shape or size of an object due to externally applied forces. Temperature is a variant which varies from one point to another point. In temperature effect of FEM, Initial strain ε0=α ΔT.

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