If large eddy simulation method is used to calculate the turbulent channel flow with strong shear
the commonly used sub-grid stress models
including wall modification model
will generate excessively high mean velocity profiles. It indicates that sub-grid stress model cannot describe the situation nearby the wall. To this end
the wall function of the sub-grid Reynolds stress model was modified to obtain a better result. The mean velocity profiles
the RMS(root-mean-square) velocity profiles and Reynolds stress profiles calculated by the modified model are consistent with the results of DNS.
Shear-modified sub-grid model and its applications to turbulent channel flow
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Related Author
XIAO Hong-lin
LUO Ji-sheng
SUN Ming-bo
FAN Xiao-qiang
LIANG Jian-han
WANG Zhen-guo
YU Zi-wen
CAO Yi-hua
Related Institution
Department of Mechanics, School of Mechanical Engineering, Tianjin University
College of Aerospace and Material Engineering, National University of Defense Technology
School of Aeronautical Science and Engineering, Beijing University of Aeronautics and Astronautics
National Key Laboratory of Science and Technology on Liquid Rocket Engines,Xi'an Aerospace Propulsion Institute,China Aerospace Science and Technology Corporation
Academy of Aerospace Propulsion Technology,China Aerospace Science and Technology Corporation