+1 vote
in Finite Element Method by (110k points)
In shape functions, first derivatives must be _______ within an element.

(a) Infinite

(b) Finite

(c) Natural

(d) Integer

This question was posed to me in an internship interview.

This is a very interesting question from One Dimensional Problems in portion One Dimensional Problems of Finite Element Method

1 Answer

+2 votes
by (185k points)
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Best answer
Correct answer is (b) Finite

The explanation is: In general shape functions need to satisfy that, first derivatives must be finite within element. Shape functions are interpolation functions. First derivatives are finite within element because for easy calculations.

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