Elastic wave propagation in symmetrically periodic sinusoidal waveguide

Sourav Banerjee, Tribikram Kundu

Research output: Contribution to journalConference articlepeer-review

9 Scopus citations


Wave propagation in structures with irregular boundaries is studied by transforming the plates with irregular surfaces to sinusoidal wave-guides. Guided elastic wave in a two-dimensional periodically corrugated plate is studied analytically. The plate material is considered as homogeneous, isotropic and linearly elastic. In a periodically corrugated wave-guide all possible spectral order of wave numbers are considered. The dispersion equation is obtained by applying the traction free boundary conditions. The analysis is carried out in the wave-number domain for symmetric modes. Non-propagating 'stop bands' and propagating 'pass bands' are investigated.

Original languageEnglish (US)
Pages (from-to)89-98
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2004
EventHealth Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems III - San Diego, CA, United States
Duration: Mar 15 2004Mar 17 2004


  • Dispersion relation
  • Mode conversion
  • Pass-band
  • Sinusoidal Waveguide
  • Stop-band
  • Wave-number

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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