| Issue |
EPL
Volume 132, Number 1, October 2020
|
|
|---|---|---|
| Article Number | 14001 | |
| Number of page(s) | 7 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/132/14001 | |
| Published online | 03 November 2020 | |
Langevin models for non-homogeneous turbulent flows: Determination of the coefficients
Department of Mathematics, University of Wyoming - Laramie, WY 82071-0333, USA
Received: 28 June 2020
Accepted: 13 October 2020
Stochastic turbulence models are supposed to significantly support future computational fluid dynamics developments via the design of realizable, stable dynamic simulation methods and by providing a basis for uncertainty quantification. However, there is the nontrivial question of how such stochastic models can be designed for general non-homogeneous and non-stationary flows. Two new approaches are presented for that. Analyses of the performance of these methods in comparison to the conventionally applied method reveal remarkable differences and advantages.
PACS: 47.27.-i – Turbulent flows / 05.10.Gg – Stochastic analysis methods (Fokker-Planck, Langevin, etc.) / 47.27.E- – Turbulence simulation and modeling
© 2020 EPLA
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