Rational subgrid-scale modelling: a short survey

L. Fang; L. P. Lu

doi:10.1016/j.taml.2018.03.006

Rational subgrid-scale modelling: a short survey

L. Fang
, L. P. Lu^*

^*Corresponding author for this work

Sino-French Engineer School/School of General Engineering

Beihang University

Research output: Contribution to journal › Review article › peer-review

Abstract

We review the previous attempts of rational subgrid-scale (SGS) modelling by employing the Kolmogorov equation of filtered quantities. Aiming at explaining and solving the underlying problems in these models, we also introduce the recent methodological investigations for the rational SGS modelling technique by defining the terms of assumption and restriction. These methodological works are expected to provide instructive criterions for not only the rational SGS modelling, but also other types of SGS modelling practices.

Original language	English
Pages (from-to)	143-146
Number of pages	4
Journal	Theoretical and Applied Mechanics Letters
Volume	8
Issue number	3
DOIs	https://doi.org/10.1016/j.taml.2018.03.006
State	Published - May 2018

Keywords

Eddy-viscosity assumption
Kolmogorov equation
Scaling law
Subgrid-scale modeling

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abstract = "We review the previous attempts of rational subgrid-scale (SGS) modelling by employing the Kolmogorov equation of filtered quantities. Aiming at explaining and solving the underlying problems in these models, we also introduce the recent methodological investigations for the rational SGS modelling technique by defining the terms of assumption and restriction. These methodological works are expected to provide instructive criterions for not only the rational SGS modelling, but also other types of SGS modelling practices.",

keywords = "Eddy-viscosity assumption, Kolmogorov equation, Scaling law, Subgrid-scale modeling",

author = "L. Fang and Lu, \{L. P.\}",

note = "Publisher Copyright: {\textcopyright} 2018 The Authors. Published by Elsevier Ltd on behalf of The Chinese Society of Theoretical and Applied Mechanics",

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AB - We review the previous attempts of rational subgrid-scale (SGS) modelling by employing the Kolmogorov equation of filtered quantities. Aiming at explaining and solving the underlying problems in these models, we also introduce the recent methodological investigations for the rational SGS modelling technique by defining the terms of assumption and restriction. These methodological works are expected to provide instructive criterions for not only the rational SGS modelling, but also other types of SGS modelling practices.

KW - Eddy-viscosity assumption

KW - Kolmogorov equation

KW - Scaling law

KW - Subgrid-scale modeling

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EP - 146

JO - Theoretical and Applied Mechanics Letters

JF - Theoretical and Applied Mechanics Letters

IS - 3

ER -

Rational subgrid-scale modelling: a short survey

Abstract

Keywords

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