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Smart Structures and Systems Volume 8, Number 4, October 2011 , pages 413-431 DOI: https://doi.org/10.12989/sss.2011.8.4.413 |
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Exact solutions of the piezoelectric transducer under multi loads |
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Zhang Taotao and Shi Zhifei
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| Abstract | ||
| Under the external shearing stress, the external radial stress and the electric potential simultaneously, the piezoelectric hollow cylinder transducer is studied. With the Airy stress function method, the analytical solutions of this transducer are obtained based on the theory of piezo-elasticity. The solutions are compared with the finite element results of Ansys and a good agreement is found. Inherent properties of this piezoelectric cylinder transducer are presented and discussed. It is very helpful for the design of the bearing controllers. | ||
| Key Words | ||
| piezoelectric material; transducer; cylinder; multi-layer; shearing stress; radial stress. | ||
| Address | ||
| Zhang Taotao : School of Transportation Science and Engineering, Beihang University, Beijing, 100191, P. R. China Shi Zhifei : School of Civil Engineering, Beijing Jiaotong University, Beijing, 100044, P. R. China | ||