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Smart Structures and Systems
  Volume 8, Number 4, October 2011 , pages 413-431

Exact solutions of the piezoelectric transducer under multi loads
Zhang Taotao and Shi Zhifei

    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.
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

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