Applied Mathematics and Mechanics (English Edition) ›› 1999, Vol. 20 ›› Issue (10): 1075-1086.

• 论文 • 上一篇    下一篇

VIBRATION AND DAMPING ANALYSIS OF A COMPOSITE PLATE WITH ACTIVE AND PASSIVE DAMPING LAYER

高坚新, 沈亚鹏   

  1. Civil College, Xi’an Jiaotong University, Xi’an 710049, P.R.China
  • 收稿日期:1998-04-28 修回日期:1998-07-10 出版日期:1999-10-18 发布日期:1999-10-18
  • 基金资助:
    The National Natural Science Foundation of China ( 59635140)

VIBRATION AND DAMPING ANALYSIS OF A COMPOSITE PLATE WITH ACTIVE AND PASSIVE DAMPING LAYER

Gao Jianxin, Shen Yapeng   

  1. Civil College, Xi’an Jiaotong University, Xi’an 710049, P.R.China
  • Received:1998-04-28 Revised:1998-07-10 Online:1999-10-18 Published:1999-10-18
  • Supported by:
    The National Natural Science Foundation of China ( 59635140)

摘要: The equations of motion and boundary conditions governing the vibration of nonsymmetric composite plates with active and passive dampings layer are derived. The analytical solution is first obtained for frequencies and loss factors of the plates with active constrained layer damping treatments. The distributions of electric potential across the thickness of piezoelectric layer and relevant governing equations are obtained when the direct and inverse piezoelectric effects are considered. The influence of the direct and inverse piezoelectric effects on the frequencies and loss factors are investigated.

Abstract: The equations of motion and boundary conditions governing the vibration of nonsymmetric composite plates with active and passive dampings layer are derived. The analytical solution is first obtained for frequencies and loss factors of the plates with active constrained layer damping treatments. The distributions of electric potential across the thickness of piezoelectric layer and relevant governing equations are obtained when the direct and inverse piezoelectric effects are considered. The influence of the direct and inverse piezoelectric effects on the frequencies and loss factors are investigated.

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