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Numerical simulation of flow induced airfoil vibrations

Result description

Interaction of fluid flow with airfoil having two degrees of freedom allowing vertical and rotational vibrations is studied. The fluid flow is simulated by Navier-Stokes equations in the Arbitrary Lagrangian-Eulerian formulation, discretized by the finite element method and stabilized by the SUPG technique. The discrete Navier-Stokes problem is coupled with the ODE system describing the flow induced vibrations of the airfoil. Results of a test problem are presented.

Keywords

unsteady Navier-Stokes equationsnonlinear aeroelasticitypostcritical vibrations

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    Numerical simulation of flow induced airfoil vibrations

  • Original language description

    Interaction of fluid flow with airfoil having two degrees of freedom allowing vertical and rotational vibrations is studied. The fluid flow is simulated by Navier-Stokes equations in the Arbitrary Lagrangian-Eulerian formulation, discretized by the finite element method and stabilized by the SUPG technique. The discrete Navier-Stokes problem is coupled with the ODE system describing the flow induced vibrations of the airfoil. Results of a test problem are presented.

  • Czech name

    Numerické simulace vibrací obtékaného leteckého profilu

  • Czech description

    Příspěvek se zabývá interakcí proudu tekutiny s kmitáním leteckého profilu o 2 stupních volnosti (posuv a rotace). Řešení pro proudění vychází z Navier-Stokesových rovnic v ALE formulaci. K diskretizaci problému je použita metoda konečných prvků a řešeníje stabilizováno metodou SUPG. Diskretizovaný Navier-Stokesův problém je vázán s řešením obyčejných diferenciálních rovnic popisujících vibrace profilu. Jsou prezentovány výsledky testovacího příkladu.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BI - Acoustics and oscillation

  • OECD FORD branch

Others

  • Publication year

    2004

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Flow-induced vibration

  • ISBN

    2-7302-1141-1

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    57-62

  • Publisher name

    Ecole Polytechnique, Paris

  • Place of publication

    Paříž

  • Event location

    Paříž

  • Event date

    Jul 6, 2004

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

Result type

D - Article in proceedings

D

CEP

BI - Acoustics and oscillation

Year of implementation

2004