Analysis of Aerodynamics Behavior of FGM Cylindrical Panel

Abstract:

An analysis on the aerodynamics behavior of a FGM cylindrical panel in air flow subjected to an external excitation is presented in this paper. Material properties of the constituents are assumed to be temperature-independent and the effective properties of FGM panel are graded according to a simple power law function in terms of the volume fractions in thickness direction. Based on von Karman hypothesis and Hamilton’s principle, the nonlinear governing equations of motion are derived. Galerkin’s method is then utilized to obtain a two-degree-of-freedom nonlinear system including the quadratic and cubic nonlinear terms. A third-order piston theory is applied for the aerodynamic load. The bifurcations are presented for FGM panel by numerical simulation to show the influences of in-plane load on the nonlinear dynamics.

• Periodical: Applied Mechanics and Materials (Volume 364)
• Pages: 118-123
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.364.118
• Online since: August 2013
• Authors: Li Yang, Yu Xin Hao
• Keywords: Aerodynamic, Cylindrical Panel, Functionally Graded Material (FGM)

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