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Is point vortices can control the growth of round-off errors?

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in Aerodynamics by (773k points)
Is point vortices can control the growth of round-off errors?

(a) True

(b) False

I had been asked this question in an online quiz.

My doubt stems from The Vortex Sheet topic in division Incompressible Flow over Airfoils of Aerodynamics

1 Answer

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by (720k points)
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Best answer
The correct option is (a) True

The best explanation: Point vortices are inherently chaotic, a Fourier filter is necessary to control the growth of round-off errors. Continuous approximation of a vortex sheet by vortex panels with are wise diffusion of circulation density also shows that the sheet rolls-up into a double branched spiral.

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