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Parametric excitation of subharmonic oscillations
Faculty
Science
Year:
1997
Type of Publication:
Article
Pages:
1921-1940
Authors:
ElNaggar, AM, Alhanadwah, AA
DOI:
10.1007/BF02435853
Journal:
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS PLENUM PUBL CORP
Volume:
36
Research Area:
Physics
ISSN
ISI:A1997XU73800016
Keywords :
Parametric excitation , subharmonic oscillations
Abstract:
Subharmonic oscillations of order one-half for a single-degree-of-freedom system with quadratic, cubic, and quartic nonlinearities under parametric excitation are investigated. Two approximate methods (multiple scales and generalized synchronization) are used for comparison. The modulation equations (reduced equations) of the amplitudes and the phases are obtained. Steady-state solutions (periodic solutions) and their stability are determined. Numerical solutions are carried out, and graphical representations of the results are presented and discussed. The results obtained by the two methods are in excellent agreement.
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