| THE BEHAVIOR OF TWO PARALLEL SYMMETRIC PERMEABLE CRACKS IN PIEZOELECTRIC MATERIALS |
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| 引用本文： | 周振功,王彪. THE BEHAVIOR OF TWO PARALLEL SYMMETRIC PERMEABLE CRACKS IN PIEZOELECTRIC MATERIALS[J]. 应用数学和力学(英文版), 2002, 23(12): 1357-1366. DOI: 10.1007/BF02438375 |
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| 作者姓名： | 周振功 王彪 |
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| 作者单位： | PO Box 2147，Center for Composite Materials and Electro-Optics Research Center Harbin Institute of Technology，PO Box 2147，Center for Composite Materials and Electro-Optics Research Center Harbin Institute of Technology Harbin 150001，P R China，Harbin 150001，P R China |
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| 基金项目： | theNationalNaturalScienceFoundationforExcellentYoungInvestigators( 1 972 52 0 9)，theNaturalScienceFoundationofHeilongjiangProvince，thePostDoctoralScienceFoundationofHeilongjiangProvince |
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| 摘 要： | ＩｎｔｒｏｄｕｃｔｉｏｎＩｔｉｓｗｅｌｌ＿ｋｎｏｗｎｔｈａｔｐｉｅｚｏｅｌｅｃｔｒｉｃｍａｔｅｒｉａｌｓｐｒｏｄｕｃｅａｎｅｌｅｃｔｒｉｃｆｉｅｌｄｗｈｅｎｄｅｆｏｒｍｅｄａｎｄｕｎｄｅｒｇｏｄｅｆｏｒｍａｔｉｏｎｗｈｅｎｓｕｂｊｅｃｔｅｄｔｏａｎｅｌｅｃｔｒｉｃｆｉｅｌｄ .Ｔｈｅｃｏｕｐｌｉｎｇｎａｔｕｒｅｏｆｐｉｅｚｏｅｌｅｃｔｒｉｃｍａｔｅｒｉａｌｓｈａｓａｔｔｒａｃｔｅｄｗｉｄｅａｐｐｌｉｃａｔｉｏｎｓｉｎｅｌｅｃｔｒｉｃ＿ｍｅｃｈａｎｉｃａｌａｎｄｅｌｅｃｔｒｉｃｄｅｖｉｃｅｓ,ｓｕｃ…
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| 收稿时间： | 2001-07-19 |
The behavior of two parallel symmetric permeable cracks in piezoelectric materials |
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| Zhou Zhen-gong Professor, Doctor,Wang Biao. The behavior of two parallel symmetric permeable cracks in piezoelectric materials[J]. Applied Mathematics and Mechanics(English Edition), 2002, 23(12): 1357-1366. DOI: 10.1007/BF02438375 |
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| Authors: | Zhou Zhen-gong Professor Doctor Wang Biao |
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| Affiliation: | P O Box 2147, Center for Composite Materials and Electro-Optics Research Center,Harbin Institute of Technology, Harbin 150001, P R China |
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| Abstract: | The behavior of two parallel symmetric cracks in piezoelectric materials under anti_plane shear loading was studied by the Schmidt method for the permeable crack face conditions. By using the Fourier transform, the problem can be solved with two pairs of dual integral equations in which the unknown variable is the jump of the diplacement across the crack surfaces. These equations were solved using the Schmidt method. The results show that the stress and the electric displacement intensity factors of cracks depend on the geometry of the crack.Contrary to the impermeable crack surface condition solution, it is found that the electric displacement intensity factors for the permeable crack surface conditions are much smaller than the results for the impermeable crack surface conditions. |
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| Keywords: | piezoelectric material parallel crack Schmidt method dual_integral equation stress and electric displacement intensity factors |
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