Appl. Sci. 2017, 7(3), 233; doi:10.3390/app7030233
Numerical Analysis and Optimization on Piezoelectric Properties of 0–3 Type Piezoelectric Cement-Based Materials with Interdigitated Electrodes
1
School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China
2
Collaborative Innovation Center of Engineering Construction and Safety, Shandong Blue Economic Zone, Qingdao 266033, China
3
Dongying Zhu Cheng Architectural Design Co. Ltd., Dongying257091, China
4
Shandong Engineering Research Center for Concrete Structure Durability, Qingdao University of Technology, Qingdao 266033, China
*
Author to whom correspondence should be addressed.
Academic Editors: Gangbing Song, Chuji Wang and Bo Wang
Received: 19 November 2016 / Revised: 15 February 2017 / Accepted: 23 February 2017 / Published: 1 March 2017
(This article belongs to the Special Issue Structural Health Monitoring (SHM) of Civil Structures)
Abstract
The health conditions of complicated concrete structures require intrinsic cement-based sensors with a fast sensing response and high accuracy. In this paper, static, modal, harmonic, and transient dynamic analyses for the 0–3 type piezoelectric cement-based material with interdigitated electrodes (IEPCM) wafer were investigated using the ANSYS finite element numerical approach. Optimal design of the IEPCM was further implemented with electrode distance (P), electrode width (W), and wafer density (H) as the main parameters. Analysis results show that the maximum stress and strain in the x-polarization direction of the IEPCM are 2.6 and 3.19 times higher than that in the y-direction, respectively; there exists no repetition frequency phenomenon for the IEPCM. These indicate 0–3 type IEPCM possesses good orthotropic features, and lateral driving capacity notwithstanding, a hysteresis effect exists. Allowing for the wafer width (Wp) of 1 mm, the optimal design of the IEPCM wafer arrives at the best physical values of H, W and P are 6.2, 0.73 and 1.02 mm respectively, whereas the corresponding optimal volume is 10.9 mm3. View Full-TextKeywords:
piezoelectric cement-based sensor/actuator; interdigitated electrodes; finite element numerical analysis; static/dynamic characteristic; optimal design
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Luo, J.; You, C.; Zhang, S.; Chung, K.L.; Li, Q.; Hou, D.; Zhang, C. Numerical Analysis and Optimization on Piezoelectric Properties of 0–3 Type Piezoelectric Cement-Based Materials with Interdigitated Electrodes. Appl. Sci. 2017, 7, 233.
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