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in Finite Element Method by (110k points)
In q=[q1,q2]^T  is defined as __________

(a) Element displacement vector

(b) Element vector

(c) Displacement vector

(d) Shape function vector

I had been asked this question at a job interview.

My question is from One Dimensional Problems in chapter One Dimensional Problems of Finite Element Method

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Best answer
The correct option is (a) Element displacement vector

Easiest explanation: Once the shape functions are defined, the linear displacement field within in the element can be written in terms of nodal displacements q1 and q2 and matrix notation as q=[q1,q2]. Here q is referred as element displacement function.

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