Guided wave in ultra-thin layered composite structure with weak and slip interface in different depth

Rui Zhang, Ming Xi Wan, Wenwu Cao

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

In conjunction with the transfer matrix techniques for modeling ultrasonic wave in multilayered composite medium, the spring model for a weak interface and the interface condition of the slip interface, we have the generalized frequency equations for low-order mode guided waves in ultra-thin layered composites structure with a weak or slip interface in different depth, and the effect of the depth of the interface on the dispersion properties of low-order mode ultrasonic Lamb wave are analyzed. The "ultra-thin" here means that the thickness of the plate is only a fraction of the ultrasound wave-length so that the echoes from the front and the back of the surface cannot be separated in the time domain.

Original languageEnglish (US)
Pages (from-to)1301-1302
Number of pages2
JournalWuli Xuebao/Acta Physica Sinica
Volume49
Issue number7
StatePublished - Jul 1 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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