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Finite element method uses the concept of _____

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Finite element method uses the concept of _____

(a) Nodes and elements

(b) Nodal displacement

(c) Shape functions

(d) Assembling

I had been asked this question in an online interview.

My doubt is from Two Dimensional Problems in section Two Dimensional Problems using Constant Strain Triangles of Finite Element Method

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Correct choice is (c) Shape functions

Easiest explanation: The finite element method is a numerical method for solving problems of engineering and mathematical physics. Finite element method uses the concept of shape functions in systematically developing the interpolations.

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