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Coupled CFD/CSD Analysis of a Hovering Rotor Using High Fidelity Unsteady Aerodynamics and a Geometrically Exact Rotor Blade Analysis
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- Authors
- Issue Date
- 2008-09
- Citation
- 34th European Rotorcraft Forum, Liverpool, UK, Sep. 16-19, 2008
- Keywords
- CFD/CSD Coupling ; Loose Coupling ; Hover ; Overlapped Grids ; Grid Deformation
- Abstract
- This paper presents a combination of a computational structural dynamics (CSD) and high fidelity unsteady computational fluid dynamics (CFD) analysis. Regarding a helicopter in hover, aerodynamic loads are computed from the three-dimensional Navier-Stokes solver in overlapped grids, and blade motions are obtained from the geometrically exact rotor beam analysis. To couple those analyses, a loose coupling method is adopted and the results are validated regarding a civil transport helicopter.
- Language
- English
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