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Effects of combined hardening and free-play nonlinearities on the response of a typical aeroelastic section
(2016-03-01)
This paper presents an investigation about the dynamic response of a three-degree of freedom airfoil with hardening nonlinearity in the pitching stiffness and free-play nonlinearity in the control surface stiffness using ...
Projeto de aparato aeroelástico com superfície de controle e compensador
(Universidade Estadual Paulista (Unesp), 2022-09-01)
A aeroelasticidade é uma importante área da ciência que estuda as interações entre forças estruturais e aerodinâmicas. Além de estudos teóricos, envolve trabalhos experimentais, que se mostram como ferramentas ideais para ...
Sonations in Migratory and Non-migratory Fork-tailed Flycatchers (Tyrannus savana)
(Oxford Univ Press Inc, 2020-11-01)
Sonations are sounds that animals produce with structures other than the vocal apparatus for communication. In birds, many sonations are usually produced with modified flight feathers through diverse kinematic mechanisms. ...
Modified unsteady vortex-lattice method to study flapping wings in hover flight
(Amer Inst Aeronaut Astronaut, 2013-09)
A numerical-simulation tool is developed that is well suited for modeling the unsteady nonlinear aerodynamics of flying insects and small birds as well as biologically inspired flapping-wing micro air vehicles. The present ...