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Which of these is the prototype elliptic equation?

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in Computational Fluid Dynamics by (118k points)
Which of these is the prototype elliptic equation?

(a) Incompressible irrotational flow

(b) Incompressible rotational flow

(c) Compressible irrotational flow

(d) Compressible rotational flow

This question was posed to me in an interview for job.

My doubt stems from Mathematical Behaviour of PDE topic in chapter Mathematical Behaviour of Partial Differential Equations of Computational Fluid Dynamics

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Correct option is (a) Incompressible irrotational flow

The best explanation: The prototype elliptic equation is Laplace’s equation. This represents an incompressible irrotational fluid flow.

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