Forced waves in a uniform waveguide with distributed and localized dynamic structures attached

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Abstract

Waves are considered excited by a moving-oscillating load in a general uniform waveguide with uniformly distributed and localized dynamic structures. In its order, the load frequency and speed define the waveguide frequency. Asymptotic solutions are obtained based on three parameters corresponding to the exciting wave frequencies: the phase and group velocities and the dispersion number (the second derivative of the frequency). We also present descriptions of the quasi-front and the resonant waves. The waveguide response under the load determined allowed us to find the phase shift between the oscillating force and the (energy flux related) waveguide speed.

Original languageEnglish
Article number103628
JournalInternational Journal of Engineering Science
Volume173
DOIs
StatePublished - 1 Mar 2022

Keywords

  • Dynamic elastic support
  • Microstructure vs. Structure
  • Oscillators
  • Phase shift
  • Quasi-front
  • Resonant wave

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