An investigation into the passive vibration reduction of the nonlinear spring pendulum system, simulating the ship roll motion is presented. This leads to a four-degree-of-freedom (4-DOF) system subjected to multiparametric excitation forces. The two absorbers in the longitudinal and transverse directions are usually designed to control the vibration near the simultaneous subharmonic and internal resonance where system damage is probable. The theoretical results are obtained by applying the multiple scale perturbation technique (MSPT). The stability of the obtained nonlinear solution is studied and solved numerically. The obtained results from the frequency response curves confirmed the numerical results which were obtained using time history. For validity, the numerical solution is compared with the analytical solution. Effectiveness of the absorbers () are about 13 000 for the first mode () and 10 000 for the second mode (). A threshold value of linear damping coefficient can be used directly for vibration suppression of both vibration modes. Comparison with the available published work is reported.
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January 2012
Research Papers
Vibration Suppression of a Four-Degrees-of-Freedom Nonlinear Spring Pendulum via Longitudinal and Transverse Absorbers
M. Eissa,
M. Eissa
Department of Engineering Mathematics, Faculty of Electronic Engineering Menouf,
e-mail: meissa46@yahoo.com
Menoufia University
, Menouf 32952, Egypt
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M. Kamel,
M. Kamel
Department of Engineering Mathematics, Faculty of Electronic Engineering Menouf,
e-mail: dr_magdi_kamel@yahoo.com
Menoufia University
, Menouf 32952, Egypt
Search for other works by this author on:
A. T. El-Sayed
A. T. El-Sayed
Department of Basic Sciences,
e-mail: ashraftaha211@yahoo.com
Modern Academy for Engineering and Technology
, Mokatem 11585, Egypt
Search for other works by this author on:
M. Eissa
Department of Engineering Mathematics, Faculty of Electronic Engineering Menouf,
Menoufia University
, Menouf 32952, Egypt
e-mail: meissa46@yahoo.com
M. Kamel
Department of Engineering Mathematics, Faculty of Electronic Engineering Menouf,
Menoufia University
, Menouf 32952, Egypt
e-mail: dr_magdi_kamel@yahoo.com
A. T. El-Sayed
Department of Basic Sciences,
Modern Academy for Engineering and Technology
, Mokatem 11585, Egypt
e-mail: ashraftaha211@yahoo.com
J. Appl. Mech. Jan 2012, 79(1): 011007 (11 pages)
Published Online: December 8, 2011
Article history
Received:
October 27, 2009
Revised:
April 24, 2011
Online:
December 8, 2011
Published:
December 8, 2011
Citation
Eissa, M., Kamel, M., and El-Sayed, A. T. (December 8, 2011). "Vibration Suppression of a Four-Degrees-of-Freedom Nonlinear Spring Pendulum via Longitudinal and Transverse Absorbers." ASME. J. Appl. Mech. January 2012; 79(1): 011007. https://doi.org/10.1115/1.4004551
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