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CLC number: O34; TU4

On-line Access: 2007-11-21

Received: 2007-10-10

Revision Accepted: 2007-11-01

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Cited: 15

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.1 P.1~7

10.1631/jzus.A071544


Modeling of sensor function for piezoelectric bender elements


Author(s):  Yan-guo ZHOU, Yun-min CHEN, Hao-jiang DING, Wei-qiu CHEN

Affiliation(s):  Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   qzking@zju.edu.cn, chenyunmin@zju.edu.cn

Key Words:  Bender elements, Piezoelectric, Sensor, Sandwich beam, Shear coefficient


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Yan-guo ZHOU, Yun-min CHEN, Hao-jiang DING, Wei-qiu CHEN. Modeling of sensor function for piezoelectric bender elements[J]. Journal of Zhejiang University Science A, 2008, 9(1): 1~7.

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Abstract: 
An analytical sandwich beam model for piezoelectric bender elements is derived based on the first-order shear deformation theory (FSDT), which assumes a single rotation angle for the whole cross-section and a quadratic distribution for coupled electric potential in piezoelectric layers. shear coefficient is introduced to correct the effect of transverse shear strain on shear force and the electric displacement integration. Static and free vibration analyses of simply-supported bender elements are carried out for the sensor function. The results illustrate the high accuracy of the present model compared with the exact 2D solutions.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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