A new methodology of turbulence modeling is proposed by combining a statistical theory [T. Ariki, Phys. Fluids 31, 065104 (2019)] and the Reynolds-stress-root method [T. Ariki, Phys. Rev. E 92, 053010 (2015)], aiming at realizing practical turbulence model of wider applicability with the help of theoretical support. The resultant model integrates, at the same time, the following five features: coordinate covariance, realizability condition, near-wall behavior, history effect, and streamline curvature effect, which are all key ingredients to build up better turbulence model mimicking realistic behaviors. Numerical assessments of the model are conducted for homogeneous shear flow, channel flow, flow in a rotating pipe, and flow between concentric annuli, all of which show reasonable agreement with direct numerical simulations and experiments.
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August 2023
Research Article|
August 03 2023
Reynolds-stress root modeling based on a statistical theory
Taketo Ariki (有木 健人)
;
Taketo Ariki (有木 健人)
a)
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft)
Department of Aerospace Engineering, Tohoku University
, 6-6-01 Aramaki-Aza-Aoba, Aoba-ku, Sendai, Japan
a)Present address: Tsukuba University of Technology, Tsukuba, Japan. Author to whom correspondence should be addressed: [email protected]
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Masanori Ikeda (池田 真規)
Masanori Ikeda (池田 真規)
(Formal analysis)
Department of Aerospace Engineering, Tohoku University
, 6-6-01 Aramaki-Aza-Aoba, Aoba-ku, Sendai, Japan
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a)Present address: Tsukuba University of Technology, Tsukuba, Japan. Author to whom correspondence should be addressed: [email protected]
Physics of Fluids 35, 085109 (2023)
Article history
Received:
April 23 2023
Accepted:
July 12 2023
Citation
Taketo Ariki, Masanori Ikeda; Reynolds-stress root modeling based on a statistical theory. Physics of Fluids 1 August 2023; 35 (8): 085109. https://doi.org/10.1063/5.0155801
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