Modern wing flutter analysis by computational fluid dynamics methods | Zendy

H. J. Cunningham | Zendy; John T. Batina | Zendy; Robert M. Bennett | Zendy

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Modern wing flutter analysis by computational fluid dynamics methods

Author(s) -

H. J. Cunningham,

John T. Batina,

Robert M. Bennett

Publication year - 1988

Publication title -

journal of aircraft

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 94

eISSN - 1533-3868

pISSN - 0021-8669

DOI - 10.2514/3.45686

Subject(s) - flutter , aeroelasticity , transonic , aerodynamics , wing , computational fluid dynamics , structural engineering , aerodynamic force , computer science , aerospace engineering , engineering

The application and assessment of the recently developed CAP-TSD transonic small-disturbance code for flutter prediction is described. The CAP-TSD code has been developed for aeroelastic analysis of complete aircraft configurations and was previously applied to the calculation of steady and unsteady pressures with favorable results. Generalized aerodynamic forces and flutter characteristics are calculated and compared with linear theory results and with experimental data for a 45 deg sweptback wing. These results are in good agreement with the experimental flutter data which is the first step toward validating CAP-TSD for general transonic aeroelastic applications. The paper presents these results and comparisons along with general remarks regarding modern wing flutter analysis by computational fluid dynamics methods.

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