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THREE-DIMENSIONAL INTERACTIONS OF CIRCULAR CRACK IN TRANSVERSELY ISOTROPIC PIEZOELECTRIC SPACE WITH RESULTANT SOURCES

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【Author】 HOU Peng-fei,DING Hao-jiang Leung Andraw-YT (Department of Engineering Mechanics, Hunan University, Changsha 410082, P. R. China; Department of Civil Engineering, Zhejiang University, Hangzhou 310027, P. R. China; Department of Building and Construction, City University of Hong Kong, Hong Kong Special Administrative Region, P. R. China)

【机构】 Department of Engineering Mechanics Hunan University； Changsha 410082； P. R. China； Department of Civil Engineering； Zhejiang University； Hangzhou 310027； Department of Building and Construction； City University of Hong Kong； Hong Kong Special Administrative Region；

【摘要】 <正>Exact solutions in form of elementary functions were derived for the stress and electric displacement intensity factors of a circular crack in a transversely isotropic piezoelectric space interacting with various stress and charge sources: force dipoles, electric dipoles, moments, force dilatation and rotation. The circular crack includes penny-shaped crack and external circular crack and the locations and orientations of these resultant sources with respect to the crack are arbitrary. Such stress and charge sources may model defects like vacancies, foreign particles, and dislocations. Numerical results are presented at last.更多还原

【Abstract】 Exact solutions in form of elementary functions were derived for the stress and electric displacement intensity factors of a circular crack in a transversely isotropic piezoelectric space interacting with various stress and charge sources: force dipoles, electric dipoles, moments, force dilatation and rotation. The circular crack includes penny-shaped crack and external circular crack and the locations and orientations of these resultant sources with respect to the crack are arbitrary. Such stress and charge sources may model defects like vacancies, foreign particles, and dislocations. Numerical results are presented at last.更多还原

【关键词】 piezoelectric space； circular crack； resultant source； intensity factor；
【Key words】 piezoelectric space； circular crack； resultant source； intensity factor；

【基金】 Project supported by the National Natural Science Foundation of China (No.10472102)Special Foundation of City University of HongKong (No.9610022)Outstanding Young Teacher Foundation of Hunan Province (No.521105236)the Yu-Ying Foundation of Hunan University (No.531103011110)

【文献出处】 Applied Mathematics and Mechanics(English Edition) ,应用数学和力学(英文版) , 编辑部邮箱 ,2006年11期

【分类号】O346.1
【被引频次】1
【下载频次】32

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