Browsing by Author "Liao, PY"

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A novel microscopic modeling on hysteresis effects on piezoelectric structures with assistance from finite element
(2006)
Chao, PCP
;
Liao, PY
;
Huang, JS
;
電控工程研究所
;
Institute of Electrical and Control Engineering
A novel microscopic modeling technique is proposed to study the hysteresis effects on piezoeeramic materials and structures using finite element method and a modified Preisach model where polarization term is added in the constitutive relationship to describe the microscopic hysteresis effects. A simple bimorph piezoceramic beam is used as an example to illustrate the effectiveness of the present theory. The established modeling procedure is applicable to arbitrary piezoelectric structures.