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A new energy harvester by coupling the electromagnetic induction and the pitch vibration of a rigid wing is built up in this paper. It is aimed: (1) to harvest energy from the pitch limit cycle oscillation (LCO) of the wing due to the preloaded free-play nonlinearity; (2) to introduce a theoretical analysis scheme based on the equivalent linearized method into the design of this harvester. With the...
This paper revisits the nonlinear flutter model of a cantilevered plate with motion-limiting constraints in subsonic flow. The nonlinear flutter behavior of this model was firstly explored in an earlier paper. Recently, it has become clear that the results of nonlinear limit cycle flutter reported in that earlier paper are incomplete. A further reevaluation of this problem is undertaken here to reveal...
This paper is aimed at presenting the nonlinear flutter peculiarities of a cantilevered plate with motion-limiting constraints in subsonic flow. A non-smooth free-play structural nonlinearity is considered to model the motion constraints. The governing nonlinear partial differential equation is discretized in space and time domains by using the Galerkin method. The equilibrium points and their stabilities...
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