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Creators/Authors contains: "Murphy, Cory"

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  1. ; ; ; (, IFAC-PapersOnLine)
    We investigate the nonlinear vibration behavior of a shape-morphing cantilever plate excited by base acceleration and shape-morphing deformation, imposed by a periodic moment on the sides of the plate. The interplay of shape-morphing and base excitation causes the system to demonstrate distinctive and tunable nonlinear behavior. We present frequency responses based on a finite element parametric study of the actuation parameters, and propose a minimal modeling of the system based on the Duffing oscillator. This modeling is related to the physical actuation for analysis of nonlinear curvature-based tunable systems and could be used in future design scenarios. 
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