second-moment closure

second-moment closure

[¦sek·ənd ‚mō·mənt ′klō·zhər]
(fluid mechanics)
A model of the Reynolds stresses in turbulent flow which is based upon providing transport equations for the Reynolds stresses themselves, thus abandoning the concept of eddy viscosity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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