Imperial College London
Alternate

ProfessorGeorgePapadakis

Faculty of Engineering, Department of Aeronautics

Professor of Aerodynamics
 
 
 
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Contact

 

+44 (0)20 7594 5080g.papadakis

 
 
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Location

 

331City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Papadakis:2018:10.1103/PhysRevFluids.3.071402,
author = {Papadakis, G and Gallis, M and Torczynski, JR and Bitter, NP and Koehler, TP and Plimpton, SJ},
doi = {10.1103/PhysRevFluids.3.071402},
journal = {Physical Review Fluids},
title = {Gas-kinetic simulation of sustained turbulence in minimal Couette flow},
url = {http://dx.doi.org/10.1103/PhysRevFluids.3.071402},
volume = {3},
year = {2018}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We provide a demonstration that gas-kinetic methods incorporating molecular chaos can simulate the sustained turbulence that occurs in wall-bounded turbulent shear flows. The direct simulation Monte Carlo method, a gas-kinetic molecular method that enforces molecular chaos for gas-molecule collisions, is used to simulate the minimal Couette flow at Re=500. The resulting law of the wall, the average wall shear stress, the average kinetic energy, and the continually regenerating coherent structures all agree closely with corresponding results from direct numerical simulation of the Navier-Stokes equations. These results indicate that molecular chaos for collisions in gas-kinetic methods does not prevent development of molecular-scale long-range correlations required to form hydrodynamic-scale turbulent coherent structures.
AU  - Papadakis,G
AU  - Gallis,M
AU  - Torczynski,JR
AU  - Bitter,NP
AU  - Koehler,TP
AU  - Plimpton,SJ
DO  - 10.1103/PhysRevFluids.3.071402
PY  - 2018///
SN  - 2469-990X
TI  - Gas-kinetic simulation of sustained turbulence in minimal Couette flow
T2  - Physical Review Fluids
UR  - http://dx.doi.org/10.1103/PhysRevFluids.3.071402
UR  - http://hdl.handle.net/10044/1/62019
VL  - 3
ER  -
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