Some aspects of numerical simulation for Lamb wave propagation in composite laminates

Chunhui Yang, Lin Ye, Zhongqing Su, Michael Bannister

Research output: Contribution to journalArticlepeer-review

124 Citations (Scopus)

Abstract

Some aspects of numerical simulation of Lamb wave propagation in composite laminates using the finite element models with explicit dynamic analysis are addressed in this study. To correctly and efficiently describe the guided-wave excited/received by piezoelectric actuators/sensors, effective models of surface-bounded flat PZT disks based on effective force, moment and displacement are developed. Different finite element models for Lamb wave excitation, collection and propagation in isotropic plate and quasi-isotropic laminated composite are evaluated using continuum elements (3-D solid element) and structural elements (3-D shell element), to elaborate the validity and versatility of the proposed actuator/sensor models.
Original languageEnglish
Pages (from-to)267-275
Number of pages9
JournalComposite Structures
Volume75
Issue number45383
DOIs
Publication statusPublished - 2006

Keywords

  • Lamb waves
  • composite materials
  • finite element method
  • piezoelectric devices
  • structural health monitoring

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