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Turbulent channel with slip boundaries as a benchmark for subgrid-scale models in LES

Lozano-Durán, A. and Bae, H. J. (2016) Turbulent channel with slip boundaries as a benchmark for subgrid-scale models in LES. Annual Research Briefs . pp. 97-103. PMCID PMC6800701. https://resolver.caltech.edu/CaltechAUTHORS:20210317-083626390

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Abstract

Most turbulent flows cannot be calculated by direct numerical simulation (DNS) of the Navier-Stokes equations because the range of scales of motion is so large that the computational cost becomes prohibitive. In large-eddy simulations (LES), only the large eddies are resolved and the effect of the small scales on the larger ones is supplied through a subgrid-scale (SGS) model in order to overcome most of the computational cost. In this sense, the role of SGS models is to provide the missing large-scale Reynolds stresses that can not be resolved in coarser LES computational grids.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6800701PubMed CentralArticle
ORCID:
AuthorORCID
Lozano-Durán, A.0000-0001-9306-0261
Bae, H. J.0000-0001-6789-6209
Additional Information:© 2016 Stanford University. This work was supported by NASA under the Transformative Aeronautics Concepts Program, Grant #NNX15AU93A. The authors would like to thank Prof. Roel Verstappen for his discussions about the necessity of new benchmarks for SGS models that initiated the present work.
Group:GALCIT
Funders:
Funding AgencyGrant Number
NASANNX15AU93A
PubMed Central ID:PMC6800701
Record Number:CaltechAUTHORS:20210317-083626390
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210317-083626390
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:108457
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:19 Mar 2021 00:33
Last Modified:19 Mar 2021 20:52

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