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The rate of production of the kinematic eddy viscosity parameter is related to ___________

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The rate of production of the kinematic eddy viscosity parameter is related to ___________

(a) rate of dissipation of kinetic energy

(b) turbulence frequency

(c) vorticity

(d) kinetic energy

I have been asked this question during an interview.

My doubt stems from Turbulence Modelling in division Turbulence Modelling of Computational Fluid Dynamics

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Best answer
The correct answer is (c) vorticity

Best explanation: The rate of production of the kinematic eddy viscosity parameter is a term in the transport equation of the Spalart-Allmaras model. This is related to the local mean vorticity by means of the vorticity parameter.

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