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For constant strain elements the shape functions are ____

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+1 vote
in Finite Element Method by (110k points)
For constant strain elements the shape functions are ____

(a) Spherical

(b) Quadratical

(c) Polynomial

(d) Linear

I got this question in an internship interview.

My question is taken from Two Dimensional Problems in portion Two Dimensional Problems using Constant Strain Triangles of Finite Element Method

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Best answer
Right choice is (d) Linear

Best explanation: The constant strain triangle element is a type of element used in finite element analysis which is used to provide an approximate solution in a 2D domain to the exact solution of a given differential equation. For CST shape functions are linear over the elements.

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