2011
DOI: 10.1007/s10409-011-0519-8
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Nonlinear study of the dynamic behavior of a string-beam coupled system under combined excitations

Abstract: In this paper, the nonlinear dynamic behavior of a string-beam coupled system subjected to external, parametric and tuned excitations is presented. The governing equations of motion are obtained for the nonlinear transverse vibrations of the string-beam coupled system which are described by a set of ordinary differential equations with two degrees of freedom. The case of 1:1 internal resonance between the modes of the beam and string, and the primary and combined resonance for the beam is considered. The metho… Show more

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Cited by 21 publications
(7 citation statements)
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“…Case 6. Figures 17,18,19,20,21,22,23,24,and 25 show that the frequency response curves for practical case stability, where 1 ̸ = 0, 2 ̸ = 0, and 3 ̸ = 0. Figure 17 shows that the effects of the detuning parameter 1 on the amplitudes of the three modes.…”
Section: Response Curve Of Casementioning
confidence: 99%
See 1 more Smart Citation
“…Case 6. Figures 17,18,19,20,21,22,23,24,and 25 show that the frequency response curves for practical case stability, where 1 ̸ = 0, 2 ̸ = 0, and 3 ̸ = 0. Figure 17 shows that the effects of the detuning parameter 1 on the amplitudes of the three modes.…”
Section: Response Curve Of Casementioning
confidence: 99%
“…The stability of the system is investigated applying both frequency response equations and phaseplane method. Hamed et al [22] studied the nonlinear dynamic behavior of a string-beam coupled system subjected to external, parametric, and tuned excitations that are presented. The case of 1 : 1 internal resonance between the modes of the beam and string, and the primary and combined resonance for the beam is considered.…”
Section: Introductionmentioning
confidence: 99%
“…Kamel and Hamed [23] utilized the multiple scale technique to investigate the vibrations behavior of the inclined cable system with harmonic excitation at the simultaneous of primary and internal resonance cases. Hamed et al [24] investigated the behavior of vibrations for the nonlinear string beam system under external, parametric and tuned excitations forces. Sayed and Hamed [25] presented a mathematical study for the analytical, numerical solutions and stability of a coupled pitch roll system to harmonic and parametric excitation forces.…”
Section: Introductionmentioning
confidence: 99%
“…Although the dynamic characteristics of a single beam can be obtained exactly by many ways, when a secondary beam is attached to the main beam by springs at several places, its solution becomes complicated. Previous studies mostly focus on beams with continuous elastica connection such as sandwich beam and composite beam [8,9], or beams with string connected at their ends [10]. Only a few researchers have performed dynamic analysis for the double-beam system connected by springs at several discrete locations.…”
Section: Introductionmentioning
confidence: 99%