Safety design concerns of the piezoelectric layer applications for vibration and noise controls

Usik Lee, George A. Lesieutre, Lei Fang

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

The reliability of a piezoelectrically controlled multi-layers composite structure is just as important as the performance. Since the piezoelectric layer may induce extremely high stresses to result in piezoelectrical/mechanical failures, the safety design of the multi-layer composite structure should be fully emphasized. For this issue, first an intensive literature review is given to the general features of multi-layered composite structures. The local piezoelectric coupling induced stress is shown to have the magnitude proportional to the square of vibration mode number. A detailed stress analysis for a beam with the active constrained layer damping is conducted to prove the high stresses distribution at the interfaces, and then a simulation of crack growth along the interface is addressed.

Original languageEnglish (US)
Pages (from-to)1643-1653
Number of pages11
JournalCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Volume2
StatePublished - Jan 1 1997
EventProceedings of the 1997 38th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Part 4 (of 4) - Kissimmee, FL, USA
Duration: Apr 7 1997Apr 10 1997

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Acoustic variables control
Vibration control
Composite structures
Stress analysis
Stress concentration
Crack propagation
Damping

All Science Journal Classification (ASJC) codes

  • Architecture
  • Materials Science(all)
  • Aerospace Engineering
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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