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Acta Mechanica Solida Sinica

, Volume 26, Issue 5, pp 468–479 | Cite as

Modeling and Dynamics Analysis of Shells of Revolution by Partially Active Constrained Layer Damping Treatment

  • Qiao Ni
  • Yu Xiang
  • Yuying Huang
  • Jing Lu
Article

Abstract

A new model for a smart shell of revolution treated with active constrained layer damping (ACLD) is developed, and the damping effects of the ACLD treatment are discussed. The motion and electric analytical formulation of the piezoelectric constrained layer are presented first. Based on the authors’ recent research on shells of revolution treated with passive constrained layer damping (PCLD), the integrated first-order differential matrix equation of a shell of revolution partially treated with ring ACLD blocks is derived in the frequency domain. By virtue of the extended homogeneous capacity precision integration technology, a stable and simple numerical method is further proposed to solve the above equation. Then, the vibration responses of an ACLD shell of revolution are measured by using the present model and method. The results show that the control performance of the ACLD treatment is complicated and frequency-dependent. In a certain frequency range, the ACLD treatment can achieve better damping characteristics compared with the conventional PCLD treatment.

Keywords

active constrained layer damping (ACLD) shell of revolution integrated first-order differential matrix equation control performance damping characteristics 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2013

Authors and Affiliations

  1. 1.College of Civil Engineering and MechanicsHuazhong University of Science and TechnologyWuhanChina
  2. 2.Department of Automotive EngineeringGuangxi University of TechnologyLiuzhouChina

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