两个功能梯度压电压磁条粘结的Ⅲ型问题

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1、144ò13Ï=²ÆÆ£g,ƤVol.44No.32008c6JournalofLanzhouUniversity(NaturalSciences)Jun.2008©Ù?Ò:0455-2059(2008)03-0127-07üüüõõõUUUFFFÝÝÝØØØ>>>ØØØ^^^^^^ÊÊÊ(((000...¯¯¯KKKHw1,2,o(3(1.wgÆpEâÆ,wgÕA750021;2.þ°ÏÆêÆX,þ°200240;3.wgÆêÆOÅÆ,wgÕA750021)Á:

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6、^Gauss-Chebyshev{?1ê¦),?Øáëê!!!þ!ëê±9«AÛ/Gé«kàAårÝÏfK.l(J±wÑ,Ø>Ø^EÜᥲ¡¯KAåÛÉ/ª5ᥲ¡¯KAåÛÉ/ªÓ.'c:õUFÝØ>Ø^^;ÛÉÈ©§;AårÝÏf¥ã©aÒ:O346©zI£è:AMode000crackproblemsfortwobondedfunctionallygradedmagneto-electro-elasticGUOLi-fang1,2,LIXing3,(1.SchoolofTechnica

7、lVocation,NingxiaMedicalCollege,Yinchuan750021,China;2.DepartmentofMathematics,ShanghaiJiaotongUniversity,Shanghai200240,China;3.CollegeofMathematicsandComputerScience,NingxiaUniversity,Yinchuan750021,China)Abstract:Themode0crackproblemfortwobondedfunctionallygradedmagneto-electro-elasticstrip

8、swasinvestigatedanditwasassumedthatthematerialconstantsofthemagneto-elecro-elasticvariedcontinuouslyalongthethicknessofthestrip.Thecrackwasassumedtobeeithermagneto-electricallyimpermeableorpermeable.IntegraltransformsanddislocationdensityfunctionswereemployedtoreducetheproblemwiththeCauchysing

9、ularintegralequationswhichcouldbesolvednumericallybyGauss-Chebyshevmethod.Numericalresultswereobtainedtoillustratethevariationsofthestressintensityfactorswiththeparameterssuchasmaterialnonhomogeneityfactors;crackgeometricandloadingconditionswereshowngraphically.Keywords:functionallygradedmagne

10、to-electric-elasticstrip;singularintegralequation;stressintensityfactorCAc5,¹kØ>ÚØ^EÜá(B¥.duÙ3L§¬33k?áXÚ¥×uÐ,Úå<2",X«!!!É,3¦^L§¥¬á5¿.3,¹e,Ø>ÚØ^EÜá¤ÕL@,¤±éØ>Ø^EÜá^—>—k^>ÍÜA'ü^>ápÑAz.5mp^9ÙäA5ïÄ´~Ïd,ù«á®2^u>fµC!!!^

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