A42 A HYBRID ELEMENT METHOD FOR ANTIPLANE INTERFACE CRACK PROBLEMS BETWEEN BONDED PIEZOELECTRIC LAYERS
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概要
- 論文の詳細を見る
In order to obtain singular antiplane electroelastic fields near the vertex of interface crack with FEM, a super interface crack tip element is developed utilizing the numerical eigensolution for antiplane singular electroelastic fields. Different electrical permeablities can be easily realized in this new crack tip element by adjusting the permittivity between zero and infinity. Through integrating the super crack tip element into conventional elements, singular antiplane electroelastic fields and the associated stress and electric displacement intensity factors for interface crack between bi-piezoelectric layers can be solved finally. The validity of this approach is firstly verified by benchmark examples. It is shown that the present method yields converging results with fewer elements. As application, some examples for interface crack problems are also given, in which the effects of layer thicknesses, loading types, crack length and electrical boundary conditions stress and electric displacement intensity factors are investigated.
- 一般社団法人日本機械学会の論文
- 2009-03-18
著者
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NODA Nao-Aki
Department of Mechanical Engineering, Kyushu Institute of Technology
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Noda Nao-aki
Department Of Mechanical Engineering Kyushu Institue Of Technology
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Ping Xue-cheng
Key Laboratory of Conveyance and Equipment of Chinese Ministry of Education, East China Jiaotong Uni
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Chen Meng-cheng
Key Laboratory of Conveyance and Equipment of Chinese Ministry of Education, East China Jiaotong Uni
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Chen Meng-cheng
Key Laboratory Of Conveyance And Equipment Of Chinese Ministry Of Education East China Jiaotong Univ
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Ping Xue-cheng
Key Laboratory Of Conveyance And Equipment Of Chinese Ministry Of Education East China Jiaotong Univ
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NODA Nao-Aki
Department of Mechanical and Control Engineering, Kyushu Institute of Technology
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- A42 A HYBRID ELEMENT METHOD FOR ANTIPLANE INTERFACE CRACK PROBLEMS BETWEEN BONDED PIEZOELECTRIC LAYERS
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