Acta Mechanica Solida Sinica

, Volume 29, Issue 5, pp 502–513 | Cite as

Two Kinds Equal Frequency Circuits to Achieve Locally Resonant Band Gap of a Circular Plate Attached Alternately by Piezoelectric Unimorphs

  • Longxiang Dai
  • Hongping Hu
  • Shan Jiang
  • Xuedong Chen
Article

Abstract

A circular thin plate is proposed for vibration attenuation, which is attached alternately by annular piezoelectric unimorphs with resonant shunt circuits. Two kinds of equal frequency resonant shunt circuits are designed to achieve an integrated locally resonant (LR) band gap (BG) with a much smaller transmission factor: (1) the structure is arrayed periodically while the resonant shunt circuits are aperiodic; (2) the resonant shunt circuits are periodic while the structure is aperiodic. The transmission factor curve is calculated, which is validated by the finite element method. Dependences of the LR BG performance upon the geometric and electric parameters are also analyzed.

Key Words

band gap locally resonant periodic circular plate equal frequency shunt circuit 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2016

Authors and Affiliations

  • Longxiang Dai
    • 1
    • 2
  • Hongping Hu
    • 1
    • 2
  • Shan Jiang
    • 1
    • 2
  • Xuedong Chen
    • 3
  1. 1.Department of MechanicsHuazhong University of Science and TechnologyWuhanChina
  2. 2.Hubei Key Laboratory for Engineering Structural Analysis and Safety AssessmentHuazhong University of Science and TechnologyWuhanChina
  3. 3.State Key Laboratory of Digital Manufacturing Equipment and TechnologyHuazhong University of Science and TechnologyWuhanChina

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