Direct interaction approximation

From Glossary of Meteorology



direct interaction approximation

A turbulence closure scheme proposed by Kraichnan that eliminates the nonlocal direct interaction between large-scale and small-scale turbulence components.

Monin, A. S., and A. M. Yaglom 1975. Statistical Fluid Mechanics. MIT Press, . p. 409.

Kraichnan, R. H. 1959. The structure of isotropic turbulence in high Reynolds numbers. J. Fluid Mech.. 5. 497–542.


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