+1 vote
in Finite Element Method by (110k points)
In a Heat Transfer problem, which option is used for interpolation of temperature inside a finite element?

(a) Natural coordinates

(b) Global coordinates

(c) Temperature gradients

(d) Shape functions

I got this question in my homework.

Question is from Single Variable Problems in portion Single Variable Problems of Finite Element Method

1 Answer

+2 votes
by (185k points)
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Best answer
Correct option is (d) Shape functions

To explain I would say: Shape Functions are used for interpolation of temperature inside a finite element. Global coordinates are used to apply boundary conditions. Natural coordinates are used to derive shape functions. Temperature gradients can’t be used for interpolation.

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