The response-frequency relationship in the vicinity of a resonant frequency, the occurrence of travelling wave response and the presence of internal resonances are investigated for simply supported, circular cylindrical shells. Donnell’s nonlinear shallow-shell theory is used. The boundary conditions on radial displacement and the continuity of circumferential displacement are exactly satisfied. The problem is reduced to a system of four ordinary differential equations by means of the Galerkin method. The radial deflection of the shell is expanded by using a basis of four linear modes. The effect of internal fluid is also investigated. The equations of motion are studied by using a code based on the Collocation Method. The present model is validated by comparison of some results with others available. A water-filled shell presenting the phenomenon of 1:1:1:2 internal resonances is investigated for the first time; it shows intricate and interesting dynamics. [S0739-3717(00)01204-6]
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October 2000
Technical Papers
Nonlinear Vibrations and Multiple Resonances of Fluid-Filled, Circular Shells, Part 1: Equations of Motion and Numerical Results
M. Amabili,
M. Amabili
Dipartimento di Ingegneria Industriale, Universita` di Parma, Parma, I-43100 Italy
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F. Pellicano,
F. Pellicano
Dipartimento di Scienze dell’Ingegneria, Universita` di Modena e Reggio Emilia, Modena, I-41100 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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M. Amabili
Dipartimento di Ingegneria Industriale, Universita` di Parma, Parma, I-43100 Italy
F. Pellicano
Dipartimento di Scienze dell’Ingegneria, Universita` di Modena e Reggio Emilia, Modena, I-41100 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): 346-354 (9 pages)
Published Online: May 1, 2000
Article history
Received:
March 1, 1999
Revised:
May 1, 2000
Citation
Amabili, M., Pellicano, F., and Vakakis, A. F. (May 1, 2000). "Nonlinear Vibrations and Multiple Resonances of Fluid-Filled, Circular Shells, Part 1: Equations of Motion and Numerical Results ." ASME. J. Vib. Acoust. October 2000; 122(4): 346–354. https://doi.org/10.1115/1.1288593
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