Abstract
A theoretical analysis of the lateral resonances in 1–3 piezocomposites with poling initial stress is conducted using the Bloch wave theory. Based on the linear piezoelectricity theory, theoretical formulations that include initial stress for the propagation of acoustic plane waves are made. Numerical calculations are performed to study the effects of the initial stress on the lateral mode frequencies and the stop band. It is found that lateral mode frequencies increase with the piezoelectricity of the piezocomposites, but decrease with the poling initial stress. The influence of the initial shear stress on the lateral mode frequencies is minimal, and can thus be neglected.
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Contributed by SHEN Ya-peng
Project supported by the National Natural Science Foundation of China (Nos.90205030 and 10472088)
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Zhang, Hy., Shen, Yp. & Yin, Gs. Lateral resonances in initial stressed 1–3 piezocomposites. Appl Math Mech 28, 873–881 (2007). https://doi.org/10.1007/s10483-007-0704-x
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DOI: https://doi.org/10.1007/s10483-007-0704-x