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The upwind scheme is suitable for _____________

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in Computational Fluid Dynamics by (117k points)
The upwind scheme is suitable for _____________

(a) convection term

(b) diffusion term

(c) both convection and diffusion terms

(d) either convection or diffusion term

This question was addressed to me in final exam.

Asked question is from Convection-Diffusion Problems topic in portion Convection-Diffusion Problems of Computational Fluid Dynamics

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Best answer
The correct choice is (a) convection term

Explanation: The upwind scheme is not suitable for non-directional phenomena. The diffusion scheme is a non-directional phenomenon. The convection scheme is a directional phenomenon. So, the scheme is suitable for the convection term.

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