PMID: 15244928Jul 13, 2004Paper

Self-similar scaling in decaying numerical turbulence

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Tarek A YousefA Brandenburg

Abstract

Decaying turbulence is studied numerically using as initial condition a random flow whose shell-integrated energy spectrum increases with wave number k like k(q). Alternatively, initial conditions are generated from a driven turbulence simulation by simply stopping the driving. It is known that the dependence of the decaying energy spectrum on wave number, time, and viscosity can be collapsed onto a unique scaling function that depends only on two parameters. This is confirmed using three-dimensional simulations and the dependence of the scaling function on its two arguments is determined.

References

Dec 12, 2001·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·M ChristenssonA Brandenburg
Oct 4, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Wolfgang DoblerAxel Brandenburg

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Citations

Feb 18, 2017·Physical Review Letters·Axel Brandenburg, Tina Kahniashvili
Dec 17, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Bruce R PearsonPer-Age Krogstad

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