The improvement and application of very large eddy simulation approach

Yi Li, Junqiang Bai, Yang Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

The very large eddy simulation (VLES) approach is one of the most widely used hybrid approaches. This paper proposes an improved VLES model based on VLES approach to overcome the deficiencies. This model is assembled with Menter’s k-ω SST model. The integral scale of turbulence is used to replace the Kolmogorov length scale in resolution control function, and the length scale is redefined to prevent the modelled stress dissipation in boundary layer. Four test cases are selected to validate the performance of the new method, that is, the Taylor-Green vortex, the turbulent flat plane, the flow past a 30P30N airfoil and the flows over a single cylinder. The simulation results are compared with experimental and numerical results. It is observed that the new VLES model is quite efficient for the turbulent flow simulation.

Original languageEnglish
Title of host publication2018 Fluid Dynamics Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624105531
DOIs
StatePublished - 2018
Event48th AIAA Fluid Dynamics Conference, 2018 - Atlanta, United States
Duration: 25 Jun 201829 Jun 2018

Publication series

Name2018 Fluid Dynamics Conference

Conference

Conference48th AIAA Fluid Dynamics Conference, 2018
Country/TerritoryUnited States
CityAtlanta
Period25/06/1829/06/18

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