Nonlinear Analysis of Airfoil High-Intensity Gust Response Using a High-Order Prefactored Compact Code | Zendy

Andrea Crivellini | Zendy; Vladimir V. Golubev | Zendy; Reda R. Mankbadi | Zendy; James Scott | Zendy; Ray Hixon | Zendy; Louis A. Povinelli | Zendy

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Nonlinear Analysis of Airfoil High-Intensity Gust Response Using a High-Order Prefactored Compact Code

Author(s) -

Andrea Crivellini,

Vladimir V. Golubev,

Reda R. Mankbadi,

James Scott,

Ray Hixon,

Louis A. Povinelli

Publication year - 2002

Publication title -

nasa sti repository (national aeronautics and space administration)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2002-2535

Subject(s) - airfoil , aerodynamics , nonlinear system , parametric statistics , solver , frequency domain , acoustics , intensity (physics) , mathematical analysis , physics , computer science , mathematics , mechanics , optics , mathematical optimization , quantum mechanics , statistics

The nonlinear response of symmetric and loaded airfoils to an impinging vortical gust is investigated in the parametric space of gust dimension, intensity, and frequency. The study, which was designed to investigate the validity limits for a linear analysis, is implemented by applying a nonlinear high-order prefactored compact code and comparing results with linear solutions from the GUST3D frequency-domain solver. Both the unsteady aerodynamic and acoustic gust responses are examined.

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