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Stress in each element is ____

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+1 vote
in Finite Element Method by (110k points)
Stress in each element is ____

(a) Eliminated

(b) σ=EBq

(c) σ=αΔT

(d) σ=E(Bq-αΔT)

I have been asked this question in an online interview.

This intriguing question comes from One Dimensional Problems in portion One Dimensional Problems of Finite Element Method

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The correct choice is (d) σ=E(Bq-αΔT)

Explanation: Stress is a physical quantity that expresses the internal forces that neighboring particles of a continuous material exert on each other. After solving Finite element equations KQ=F for the displacements Q, the stress in each element can be obtained from equation.

σ=E(Bq-αΔT).

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