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Which of these is not a turbulent viscosity model?

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in Computational Fluid Dynamics by (118k points)
Which of these is not a turbulent viscosity model?

(a) k-ω

(b) k-ε

(c) DNS

(d) SST

This question was addressed to me during an interview.

The query is from Turbulent Viscosity topic in portion Turbulence Modelling of Computational Fluid Dynamics

1 Answer

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Best answer
Correct answer is (c) DNS

Easiest explanation: The models k-ε, k-ω and SST are all models which include turbulent viscosity. DNS stands for Direct Numerical Simulation which is the basic model to solve turbulent flows. It does not involve turbulent viscosities.

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