AEROELASTIC PHENOMENA OF FLIGHT VEHICLES IN TRANSONIC REGION

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Flight vehicles experience aeroelastic problems due to the interaction between structures and aerodynamic forces. Aeroelastic instability is usually a critical problem in transonic and lower supersonic regions. In present study, the aeroelastic analyses of several flight vehicles have been performed using the coupled techniques of computational fluid dynamics (CFD) and computational structural dynamics (CSD). The aeroelastic characteristics based on several aircraft models are investigated using the developed aeroelastic analysis system. On the other hand, structural nonlinearities always exist in flight vehicles. Structural nonlinearities such as freeplay and large deformation effects are considered in the present aeroelastic analysis system. Finally, aeroelastic characteristics of several flight vehicles will be explained considering both aerodynamic and structural nonlinearities.
Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
Issue Date
2009-01
Language
English
Article Type
Article; Proceedings Paper
Keywords

COMPUTATIONS

Citation

MODERN PHYSICS LETTERS B, v.23, no.3, pp.421 - 424

ISSN
0217-9849
URI
http://hdl.handle.net/10203/99486
Appears in Collection
AE-Journal Papers(저널논문)
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