FRACTIONAL DUFFING'S EQUATION AND GEOMETRICAL RESONANCE

Author:

JIMÉNEZ S.1,GONZÁLEZ J. A.2,VÁZQUEZ L.3

Affiliation:

1. Departamento de Matemática Aplicada a las TT.II., E.T.S.I.T., Universidad Politécnica de Madrid, Avenida Complutense 30, 28040 Madrid, Spain

2. Centro de Física, Instituto Venezolano de Investigaciones Científicas, Apartado Postal 21827, Caracas 1020-A, Venezuela

3. Departamento de Matemática Aplicada, Facultad de Informática, Universidad Complutense de Madrid, Calle Profesor José García Santesmases, s/n, 28040 Madrid, Spain

Abstract

We investigate the Fractional Duffing equation in the presence of nonharmonic external perturbations. We have applied the concept of Geometrical Resonance to this equation. We have obtained the conditions that should be satisfied by the external driving forces in order to produce high-amplitude periodic oscillations avoiding chaos. We also show that, for Duffing's equation with fractional damping, the perturbations that satisfy the Geometrical Resonance conditions are nonperiodic functions.

Publisher

World Scientific Pub Co Pte Lt

Subject

Applied Mathematics,Modeling and Simulation,Engineering (miscellaneous)

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