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For plane elasticity problems in three dimensions, which option is not responsible for making the solutions independent of one of the dimensions?

(a) Geometry

(b) Boundary conditions

(c) Externally applied loads

(d) Material

I got this question during an internship interview.

Query is from Plane Elasticity topic in portion Plane Elasticity of Finite Element Method

1 Answer

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The correct option is (d) Material

Explanation: Elasticity is the part of solid mechanics that deals with stress and deformation of solid continua. There is a class of problems in elasticity whose solution (i.e., displacements and stresses) is not dependent on one of the coordinates because of their geometry, boundary conditions, and externally applied loads. Such problems are called plane elasticity problems.

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