CFD code comparison for 2D airfoil flows

Niels N. Sørensen, B. Méndez, A. Muñoz, G. Sieros, E. Jost, T. Lutz, G. Papadakis, S. Voutsinas, G. N. Barakos, S. Colonia, D. Baldacchino, C. Baptista, Célia Maria Dias Ferreira

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Abstract

The current paper presents the effort, in the EU AVATAR project, to establish the necessary requirements to obtain consistent lift over drag ratios among seven CFD codes. The flow around a 2D airfoil case is studied, for both transitional and fully turbulent conditions at Reynolds numbers of 3 × 106 and 15 × 106. The necessary grid resolution, domain size, and iterative convergence criteria to have consistent results are discussed, and suggestions are given for best practice. For the fully turbulent results four out of seven codes provide consistent results. For the laminar-turbulent transitional results only three out of seven provided results, and the agreement is generally lower than for the fully turbulent case.
Original languageEnglish
Article number082019
Book seriesJournal of Physics: Conference Series (Online)
Volume753
Number of pages11
ISSN1742-6596
DOIs
Publication statusPublished - 2016
EventThe Science of Making Torque from Wind 2016 - Technische Universität München (TUM), Munich, Germany
Duration: 5 Oct 20167 Oct 2016
Conference number: 6
https://www.events.tum.de/?sub=29

Conference

ConferenceThe Science of Making Torque from Wind 2016
Number6
LocationTechnische Universität München (TUM)
Country/TerritoryGermany
CityMunich
Period05/10/201607/10/2016
Internet address

Bibliographical note

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Published under licence by IOP Publishing Ltd

Keywords

  • General fluid dynamics theory, simulation and other computational methods
  • Turbulent flows, convection, and heat transfer
  • Aerospace engineering computing
  • Interpolation and function approximation (numerical analysis)
  • Physics and chemistry computing
  • aerodynamics
  • aerospace components
  • automotive components
  • computational fluid dynamics
  • drag
  • iterative methods
  • turbulence
  • CFD codes
  • 2D airfoil flows
  • EU AVATAR project
  • drag ratios
  • Reynolds numbers
  • grid resolution
  • domain size
  • iterative convergence criteria
  • laminar turbulent transitional

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