+1 vote
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Body force vector  f^e = _____________

(a) \(\frac{A_el_ef}{2}\begin{Bmatrix}1 \\ 1 \end{Bmatrix}\)

(b) \(\frac{A_el_e}{2}\begin{Bmatrix}1 \\ 1 \end{Bmatrix}\)

(c) Aele\(\begin{Bmatrix}1 \\ 1 \end{Bmatrix}\)

(d) Aelef \(\begin{Bmatrix}1 \\ 1 \end{Bmatrix}\)

I got this question in homework.

The question is from One Dimensional Problems topic in portion One Dimensional Problems of Finite Element Method

1 Answer

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Best answer
Right answer is (a) \(\frac{A_el_ef}{2}\begin{Bmatrix}1 \\ 1 \end{Bmatrix}\)

Easiest explanation: A Body force is a force that acts throughout the volume of the body. Forces due to gravity, electric and magnetic fields are examples of body forces.

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