A comparison of classical and high dimensional harmonic balance approaches for a Duffing oscillator

L. Liu, J. P. Thomas, E. H. Dowell, P. Attar, K. C. Hall

Research output: Contribution to journalArticlepeer-review

Abstract

The present study focuses on a novel harmonic balance formulation, which is much easier to implement than the standard/classical harmonic balance method for complex nonlinear mathematical models and algorithms. Both harmonic balance approaches are applied to Duffing's oscillator to demonstrate the advantages and disadvantages of the two approaches. A fundamental understanding of the difference between these two methods is achieved, and the properties of each method are analyzed in detail.

Original languageEnglish
Pages (from-to)298-320
Number of pages23
JournalJournal of Computational Physics
Volume215
Issue number1
DOIs
StatePublished - Jun 10 2006
Externally publishedYes

Keywords

  • Duffing's oscillator
  • Dynamical systems
  • Harmonic balance method
  • Limit cycle oscillations
  • Numerical analysis

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