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In a 3D axisymmetric solid, because of symmetry about the longitudinal axis, the stresses do not vary along ___ coordinate.

(a) x

(b) y

(c) z

(d) θ

I got this question at a job interview.

My question is based upon Boundary Value Problems in chapter Single Variable Problems of Finite Element Method

1 Answer

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Best answer
The correct choice is (d) θ

Easy explanation: In a 3D axisymmetric solid, because of the symmetry about the longitudinal z-axis, the stresses does not vary along circumferential direction i.e. along θ coordinate and such a problem can be treated as a two-dimensional problem.

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