Dispersion behaviors of antisymmetric flexural modes propagating along wedges with bilinear cross sections

Che Hua Yang*, Chun Zen Tsen

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

Abstract

This study is focused on exploring the dispersion behaviors of anti symmetric flexural (ASF) modes propagating along a bilinear wedge (BW). A BW is wedge whose cross section has two apex angles, as opposed to a linear wedge (LW) whose cross section has a single apex angle. In the literature, many studies regarding the dispersion behaviors of ASF modes have been reported for LWs, but not for BWs. In this study, a laser ultrasonic technique is used to investigate the dispersion behavior of BW-ASF modes. It is determined that a BW-ASF mode arises as a result of mode coupling between two LW-ASF modes of the same order corresponding to the two apex angles of the BW.

Original languageEnglish
Pages (from-to)4189-4193
Number of pages5
JournalJapanese Journal of Applied Physics
Volume44
Issue number6 A
DOIs
StatePublished - 06 2005

Keywords

  • Bilinear wedge
  • Dispersion
  • Laser ultrasound technique
  • Mode coupling

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