The nonlinear ordinary differential equations describing the dynamics of a fluid filled circular cylindrical shell, obtained in Part 1 of the present study, is studied by using a second order perturbation approach and direct simulations. Strong modal interactions are found when the structure is excited with small resonant loads. Modal interactions arise in the whole range of vibration amplitude, showing that the internal resonance condition makes the system non-linearizable even for extremely small amplitudes of oscillation. Stationary and nonstationary oscillations are observed and the complex nature of modal interactions is accurately analyzed. No chaotic motion is observed in the case of 1:1:1:2 internal resonance studied. [S0739-3717(00)01304-0]
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October 2000
Technical Papers
Nonlinear Vibrations and Multiple Resonances of Fluid-Filled, Circular Shells, Part 2: Perturbation Analysis
F. Pellicano,
F. Pellicano
Dipartimento di Scienze dell’Ingegneria, Universita` di Modena e Reggio Emilia, Modena, I-41100 Italy
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M. Amabili,
M. Amabili
Dipartimento di Ingegneria Industriale, Universita` di Parma, Parma, I-43100 Italy
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A. F. Vakakis
A. F. Vakakis
Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801
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F. Pellicano
Dipartimento di Scienze dell’Ingegneria, Universita` di Modena e Reggio Emilia, Modena, I-41100 Italy
M. Amabili
Dipartimento di Ingegneria Industriale, Universita` di Parma, Parma, I-43100 Italy
A. F. Vakakis
Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801
Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received March 1999; revised May 2000. Associate Technical Editor: C. Pierre.
J. Vib. Acoust. Oct 2000, 122(4): 355-364 (10 pages)
Published Online: May 1, 2000
Article history
Received:
March 1, 1999
Revised:
May 1, 2000
Citation
Pellicano, F., Amabili, M., and Vakakis, A. F. (May 1, 2000). "Nonlinear Vibrations and Multiple Resonances of Fluid-Filled, Circular Shells, Part 2: Perturbation Analysis ." ASME. J. Vib. Acoust. October 2000; 122(4): 355–364. https://doi.org/10.1115/1.1288591
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