26th Congress of International Council of the Aeronautical Sciences
including the 8th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference
14 - 19 September 2008, Anchorage, Alaska, USA
Paper ICAS 2008-9.6.4

DYNAMIC ANALYSIS OF AEROELASTIC RESPONSE FOR TRANSONIC FLOW WITH NONLINEAR STRUCTURAL MODEL

E. Camilo, F. D. Marques, J. L. F. Azevedo*
Univ. of São Paulo, Brazil; *Institute of Aeronautics and Space, Brazil

Keywords: Aeroelasticity, nonlinear dynamics, limit cycle oscillations, transonic flow

This article is concerned with frequency analysis of time aeroelastic response signal of typical sections in transonic flows with nonlinear structural model. Typical freeplay structural nonlinearity of tanh-type functions is adopted. An Euler unsteady CFD code is used. Aeroelastic simulation is obtained by time-marching solver.

view full paper