Limited amplitude panel flutter with a temperature differential

Panel flutter is a self-excited aeroelastic phenomenon in which a panel's oscillations are derived from energy absorbed from the flow over the panel. This paper addresses the nonlinear response of a square, cantilevered isotropic panel subject to quasi-steady supersonic aerodynamics over the upper surface and a time invariant temperature differential between the panel and its surroundings. Rayleigh-Ritz assumed modes are used to describe the in-plane and transverse displacements. In-plane and transverse modal convergence analyses are conducted. It is found that the steady state response depends on the initial conditions, the panel and flow parameters, and the temperature differential.

Duke Scholars

Author Earl H. Dowell Thomas Lord Department of Mechanical Engineering and Materia ...