Eventos Anais de eventos
MECSOL 2019
7th International Symposium on Solid Mechanics
Effects of Piezoelectrically Induced Stresses Field on the Dynamic Behavior of a Plate-like Wing Aeroelastic System
Submission Author:
Thiago Versiani , SP
Co-Authors:
Thiago Versiani, Mauricio Donadon, Flávio Silvestre, Alessandro Guimarães
Presenter: Thiago Versiani
doi://10.26678/ABCM.MECSOL2019.MSL19-0064
Abstract
A study about the effects of piezoelectrically induced stresses on the aeroelastic behavior of a composite plate-like wing is presented. Different positions of the piezoelectric unit were considered and, for each of them, modal and aeroelastic analyses were performed. The system was modeled considering the variational principle and approximated by finite element method employing two-node, eight-degree-of-freedom smart beam elements assuming Euler Bernoulli kinematic relations and von Kárman non-linear deformations. Results show a good effectiveness of the proposed technique on increasing natural frequencies, specially from modes that present most participation of bending movement. Moreover, a good effectiveness on increasing flutter speed was also observed, while the divergence speed was not affected.
Keywords
Aeroelasticity, Piezoelectric transducers, composite structures
