Publicação: On the existence and stability of periodic orbits in non ideal problems: General results
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In this work, motivated by non-ideal mechanical systems, we investigate the following O.D.E. ẋ = f (x) + εg (x, t) + ε2g (x, t, ε), where x ∈ Ω ⊂ ℝn, g, g are T periodic functions of t and there is a 0 ∈ Ω such that f (a 0) = 0 and f′ (a0) is a nilpotent matrix. When n = 3 and f (x) = (0, q (x 3) , 0) we get results on existence and stability of periodic orbits. We apply these results in a non ideal mechanical system: the Centrifugal Vibrator. We make a stability analysis of this dynamical system and get a characterization of the Sommerfeld Effect as a bifurcation of periodic orbits. © 2007 Birkhäuser Verlag, Basel.
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Bifurcation, Periodic orbits, Regular perturbation theory, Sommerfeld effect, Stability
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Inglês
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Zeitschrift fur Angewandte Mathematik und Physik, v. 58, n. 6, p. 940-958, 2007.
