Vibration of damped plate-oscillator systems

James W. Nicholson, Lawrence A. Bergman

Research output: Contribution to journalArticlepeer-review


A classical method for obtaining the exact natural frequencies, natural modes, orthogonality relation and response due to arbitrary loading of undamped beam-oscillator systems presented earlier by the writers is extended to viscously damped plate-oscillator systems. The natural modes are expressed in terms of the Green's function for the vibrating plate. Damping is present in both the plate and oscillators. Modal analysis allows the determination of a closed form expression for the system response to arbitrary loading. Oscillators attached to a simply supported rectangular plate have been considered, but the method is applicable to any plate-oscillator system, provided the Green's function for the undamped vibrating plate is known. An example involving a single oscillator attached to the plate shows the natural frequencies, natural modes and response due to two special types of loading.

Original languageEnglish (US)
Pages (from-to)14-30
Number of pages17
JournalJournal of Engineering Mechanics
Issue number1
StatePublished - Jan 1986

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering


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