2012
DOI: 10.1063/1.4765602
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Nonlinear dynamics of a flexible portal frame under support excitation

Abstract: Abstract. This paper presents a nonlinear dynamic analysis of a flexible portal frame subjected to support excitation, which is provided by an electro-dynamical shaker. The problem is reduced to a mathematical model of four degrees of freedom and the equations of motion are derived via Lagrangian formulation. The main goal of this study is to investigate the dynamic interactions between a flexible portal frame and a non-ideal support excitation. The numerical analysis shows a complex behavior of the system, wh… Show more

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Cited by 2 publications
(1 citation statement)
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“…The electro-mechanical device considered in this work consists of an electric system magnetically coupled to a mechanical structure as used by Felix and Balthazar [12,13] and Yamapi [14] in others vibrating problems. De Paula et al [15] presented preliminary results of the same problem studied in the present work.…”
Section: Introductionsupporting
confidence: 56%
“…The electro-mechanical device considered in this work consists of an electric system magnetically coupled to a mechanical structure as used by Felix and Balthazar [12,13] and Yamapi [14] in others vibrating problems. De Paula et al [15] presented preliminary results of the same problem studied in the present work.…”
Section: Introductionsupporting
confidence: 56%