Acta Mechanica Solida Sinica

, Volume 30, Issue 5, pp 531–539 | Cite as

Topology optimization of piezocomposite resonator for maximizing excitation strength and synthesizing desired eigenmodes

Article

Abstract

A topology optimization method is proposed for the design of piezocomposite resonator with the aim of maximizing excitation strength and synthesizing desired eigenmodes. The objective function consists of maximizing the electromechanical coupling strength at the mode of interest. The topology layout of a structure with desired eigenmodes is obtained by adding the modal assurance criterion as additional constraint in the topology optimization model. Numerical examples are presented and the results illustrate that aside from maximizing the electromechanical coupling strength, the existing eigenmode of the piezocomposite resonator can be modified to be the desired one at the mode of interest.

Keywords

Topology optimization Piezocomposite resonator Finite element method Electromechanical coupling coefficient Modal assurance criterion 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2017

Authors and Affiliations

  1. 1.School of Software EngineeringShenzhen Institute of Information TechnologyShenzhenChina
  2. 2.Shenzhen Research Institute of Sun Yat-sen UniversityShenzhenChina
  3. 3.College of Mechanical and Vehicle EngineeringHunan UniversityChangshaChina

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