Numerical simulation of self-sustained oscillations of an airfoil at a transitional reynolds number using high-order schemes

Baoyuan Wang, Dominique Poirel, Weixing Yuan, GeCheng Zha

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

This paper is to investigate self-sustained oscillations of a NACA 0012 airfoil at a transitional Reynolds number using large-eddy simulation (LES). The unsteady compressible Navier-Stokes equations coupled with the Smagorinsky sub-grid scale (SGS) model are solved using a dual time stepping method. The unfactored line Gauss-Seidel relaxation iteration is employed for time marching. The physical temporal terms are discretized using a 2nd-order accuracy backward differencing scheme. To achieve high accuracy, a 5th-order weighted essentially non-oscillatory (WENO) scheme is used for the inviscid fluxes. The viscous terms are discretized using a fully conservative 4th-order or 2nd-order central differencing scheme. A preconditioning method is used for the unsteady computations of the static airfoil at the beginning to generate a good initial solution for the fluid-structural interaction (FSI) computations. A fully coupled fluid-structural methodology is employed. The structurally linear one-degree-of-freedom equation of pitching motion is solved according to the low-amplitude self-sustained oscillations observed in the experiment. All simulations are conducted on a message-passing interface (MPI)-based computer cluster with parallel computations to reduce the wall clock time. The preliminary two-dimensional (2D) LES results show that the developed computational fluid dynamics (CFD)/computational structure dynamics (CSD) simulation is able to capture the self-sustained oscillations with small amplitudes observed in the experiment.

Original languageEnglish
Title of host publicationCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
DOIs
StatePublished - Dec 1 2011
Event52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Denver, CO, United States
Duration: Apr 4 2011Apr 7 2011

Other

Other52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
CountryUnited States
CityDenver, CO
Period4/4/114/7/11

Fingerprint

Airfoils
Reynolds number
Large eddy simulation
Computer simulation
Fluids
Message passing
Navier Stokes equations
Interfaces (computer)
Equations of motion
Clocks
Computational fluid dynamics
Experiments
Fluxes

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Materials Science(all)
  • Aerospace Engineering
  • Architecture

Cite this

Wang, B., Poirel, D., Yuan, W., & Zha, G. (2011). Numerical simulation of self-sustained oscillations of an airfoil at a transitional reynolds number using high-order schemes. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference [AIAA 2011-2139] https://doi.org/10.2514/6.2011-2139

Numerical simulation of self-sustained oscillations of an airfoil at a transitional reynolds number using high-order schemes. / Wang, Baoyuan; Poirel, Dominique; Yuan, Weixing; Zha, GeCheng.

Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2011. AIAA 2011-2139.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wang, B, Poirel, D, Yuan, W & Zha, G 2011, Numerical simulation of self-sustained oscillations of an airfoil at a transitional reynolds number using high-order schemes. in Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference., AIAA 2011-2139, 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Denver, CO, United States, 4/4/11. https://doi.org/10.2514/6.2011-2139
Wang B, Poirel D, Yuan W, Zha G. Numerical simulation of self-sustained oscillations of an airfoil at a transitional reynolds number using high-order schemes. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2011. AIAA 2011-2139 https://doi.org/10.2514/6.2011-2139
Wang, Baoyuan ; Poirel, Dominique ; Yuan, Weixing ; Zha, GeCheng. / Numerical simulation of self-sustained oscillations of an airfoil at a transitional reynolds number using high-order schemes. Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2011.
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