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Nonlinear interaction of incompressible flow and a vibrating airfoil with three degrees of freedom

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    0322441 - ÚT 2010 RIV SK eng C - Conference Paper (international conference)
    Růžička, M. - Feistauer, M. - Horáček, Jaromír - Sváček, Petr
    Nonlinear interaction of incompressible flow and a vibrating airfoil with three degrees of freedom.
    ALGORITMY 2009. Bratislava: Slovak University of Technology in Bratislava, 2009 - (Handlovičová, A.; Frolkovič, P.; Mikula, K.; Ševčovič, D.), s. 256-265. ISBN 978-80-227-3032-7.
    [ALGORITMY 2009. Vysoké Tatry - Podbanské (SK), 15.03.2009-20.03.2009]
    R&D Projects: GA AV ČR IAA200760613
    Institutional research plan: CEZ:AV0Z20760514
    Keywords : aero-elasticity * flutter * Navier-Stokes equation * stabilization for high Reynolds numbers
    Subject RIV: BI - Acoustics

    The subject of the paper is the numerical simulation of the interaction of two-dimensional incompressible viscous flow and a vibrating airfoil with large amplitudes. A solid airfoil with three degrees of freedom performs rotation around an elastic axis and oscillations in the vertical direction of a flap. The numerical simulation consist of the finite element solution of the Navier-Stokes equations coupled with a system of ordinary differential equations describing the airfoil motion. The time-dependent computational domain and moving grid are treated by the Arbitrary Lagrangian-Eulerian formulation of the Navier-Stokes equations. High Reynolds numbers require the application of a suitable stabilization of finite element discretization.
    Permanent Link: http://hdl.handle.net/11104/0170692

     
     
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