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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2001, Vol. 2 Issue (1): 9-14    DOI: 10.1631/jzus.2001.0009
Science & Engineering     
EXACT SOLUTION OF AN EXTERNAL CIRCULAR CRACK IN A PIEZOELECTRIC SOLID SUBJECTED TO SHEAR LOADING
CHEN Wei-qiu, DING Hao-jiang, HOU Peng-fei
Department of Civil Engineering,Zhejiang University, Hangzhou 310027, China
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Abstract  A three-dimensional, exact analysis is presented in this paper for the problem of an external circular crack in a transversely isotropic piezoelectric medium subjected to arbitrary antisymmetric shear loading. A recently proposed general solution of three-dimensional piezoelectricity is employed. It is shown that four quasi harmonic functions involved in the general solution can be represented by just one complex potential. Previous results in potential theory are then used to obtain the exact solution of the problem. For point shear loading, Green\'s functions for the elastoelectric field are derived in terms of elementary functions.

Key words： piezoelectric material      potential theory      external circular crack      exact solution     
Received: 18 April 2000     
CLC:  O346  
  TB39  
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DING Hao-jiang
CHEN Wei-qiu
HOU Peng-fei
Cite this article:

CHEN Wei-qiu, DING Hao-jiang, HOU Peng-fei. EXACT SOLUTION OF AN EXTERNAL CIRCULAR CRACK IN A PIEZOELECTRIC SOLID SUBJECTED TO SHEAR LOADING. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2001, 2(1): 9-14.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2001.0009     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2001/V2/I1/9

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