TY - JOUR
T1 - Visualization of intermittency of low-Reynolds-number anisotropic steady incompressible turbulence using implicit/SGS-model-based large-eddy simulation
AU - Oshibuchi, Mayuka
AU - Suzuki, Hiroki
AU - Mochizuki, Shinsuke
N1 - Funding Information:
The present study was supported in part by the Japanese Ministry of Education, Culture, Sports, Science and Technology through Grants-in-Aid (Nos. 18H01369, 20H02069, and 21K03859).
Publisher Copyright:
© Published under licence by IOP Publishing Ltd.
PY - 2021/8/12
Y1 - 2021/8/12
N2 - The present study validates a large-eddy simulation from the viewpoint of the intermittency of a turbulence field for low-Reynolds-number anisotropic steady turbulence. Analyses based on implicit large-eddy simulation and the Vreman-model are validated. The results of the two analyses are compared with results obtained through direct numerical simulation. The mean value of the global turbulent kinetic energy obtained through the analysis based on the large-eddy simulation is consistent with that obtained through the present direct simulation. The frequency of large-scale vortex structures found in instantaneous fields and higher-order turbulence statistics are examined. The intermittency of the turbulent fields obtained through the implicit large-eddy simulation is higher than that obtained through the other analysis.
AB - The present study validates a large-eddy simulation from the viewpoint of the intermittency of a turbulence field for low-Reynolds-number anisotropic steady turbulence. Analyses based on implicit large-eddy simulation and the Vreman-model are validated. The results of the two analyses are compared with results obtained through direct numerical simulation. The mean value of the global turbulent kinetic energy obtained through the analysis based on the large-eddy simulation is consistent with that obtained through the present direct simulation. The frequency of large-scale vortex structures found in instantaneous fields and higher-order turbulence statistics are examined. The intermittency of the turbulent fields obtained through the implicit large-eddy simulation is higher than that obtained through the other analysis.
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U2 - 10.1088/1742-6596/1983/1/012041
DO - 10.1088/1742-6596/1983/1/012041
M3 - Conference article
AN - SCOPUS:85112769117
VL - 1983
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
SN - 1742-6588
IS - 1
M1 - 012041
T2 - 4th International Conference on Mechanical, Electric and Industrial Engineering, MEIE 2021
Y2 - 22 May 2021 through 24 May 2021
ER -