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THE BASIC SOLUTION OF A 3-D RECTANGULAR PERMEABLE CRACK IN A PIEZOELECTRIC/PIEZOMAGNETIC COMPOSITE MATERIAL

THE BASIC SOLUTION OF A 3-D RECTANGULAR PERMEABLE CRACK IN A PIEZOELECTRIC/PIEZOMAGNETIC COMPOSITE MATERIAL

作     者:Yuling Tang Zhengong Zhou Linzhi Wu 

作者机构:Center for Composite Materials and StructuresHarbin Institute of Technology 

出 版 物:《Acta Mechanica Solida Sinica》 (固体力学学报(英文版))

年 卷 期:2013年第26卷第4期

页      面:403-418页

核心收录:

学科分类:08[工学] 0805[工学-材料科学与工程(可授工学、理学学位)] 080502[工学-材料学] 

基  金:supported by the National Natural Science Foundation of China(Nos.11272105 and 11222216) the NaturalScience Foundation with Excellent Young Investigators of Heilongjiang Province(No.JC04-08) the Research Fund for theDoctoral Program of Higher Education of China(No.20092302110006) the Natural Science Foundation of HeilongjiangProvince(No.A2007-05) 

主  题:piezoelectric/piezomagnetic media rectangular crack mechanics of solids 

摘      要:The solution of a 3-D rectangular permeable crack in a piezoelectric/piezomagnetic composite material was investigated by using the generalized Almansi's theorem and the Schmidt *** problem was formulated through Fourier transform into three pairs of dual integral equations,in which the unknown variables are the displacement jumps across the crack *** solve the dual integral equations,the displacement jumps across the crack surfaces were directly expanded as a series of Jacobi ***,the relations between the electric filed,the magnetic flux field and the stress field near the crack edges were obtained and the effects of the shape of the rectangular crack on the stress,the electric displacement and magnetic flux intensity factors in a piezoelectric/piezomagnetic composite material were analyzed.

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