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High-Fidelity Computational Simulation of Nonlinear Fluid-Structure Interactions

[+] Author Affiliations
Raymond E. Gordnier, Miguel R. Visbal

Air Force Research Laboratory, Wright-Patterson AFB, OH

Paper No. HT-FED2004-56615, pp. 243-260; 18 pages
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 3
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4692-X | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME


This paper reviews recent efforts to demonstrate a flexible computational framework for developing a high-fidelity, non-linear aeroelastic solver. A subiteration strategy is adopted to achieve implicit coupling between the computational fluid dynamics and the structural codes. The specific solver presented couples a well-validated, full Navier-Stokes code with a nonlinear finite element plate model. The versatility of the approach is shown by applications to several types of fluid-structure interaction problems including: panel flutter, delta wing LCO and delta wing buffet. The computational results are analyzed to elucidate the relevant physical phenomena involved in these complicated nonlinear fluid-structure interactions. This framework is extendible to other multidisciplinary problems where two or more disciplines may need to be coupled.

Copyright © 2004 by ASME



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