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Which of these physical properties of the flow problems is affected by the source term?

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Which of these physical properties of the flow problems is affected by the source term?

(a) Order of accuracy

(b) Reduction of error

(c) Stability

(d) Accuracy

I had been asked this question in an international level competition.

My doubt is from Source Term Discretization in section Discretization of the Source Term & Relaxation of Computational Fluid Dynamics

1 Answer

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Correct choice is (c) Stability

The explanation is: The physics of the problem is greatly affected by the source term. Moreover, talking from the analysis side, the stability condition of the problem differs for the problems with sources and the problems without sources.

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