On the definition of parametric excitation for vibration problems

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Abstract

The application of parametric excitation for vibrational problems of damping was discussed. The periodic variation of damping beyond stiffness and inertia was included and the appropriateness of the inclusion was addressed from a physical point of view. It was found that the periodic variation of damping can change the manner of dissipation but the system still remained dissipative. It was seen that a periodic damping variation cannot cause negative damping.

Original languageEnglish
Pages (from-to)450-454
Number of pages5
JournalJournal of Sound and Vibration
Volume270
Issue number1-2
DOIs
StatePublished - 6 Feb 2004

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