Thermoelectroelastic Response of a Functionally Graded Piezoelectric Strip with Two Parallel Axisymmetric Cracks
自由表面に平行な2個の軸対称き裂を有する傾斜機能圧電厚板の電気熱弾性応答

Sei UEDA, Tohru IOGAWA, Naoki NISHIMURA
2010 TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A  
1 ' 1ユa し erial ( FGPM } strip c [ }l /t . ? . illillg tlへio paraHel axlsynln ユe ℃ ric cracks , such as penny shape し i ur aIlnular cracks 、 is ( lonsidered irl th 把 study . It is assumcd that the thern コ( 〕 eie ' cLroelasLic properties of Lhe s し rip v 試ry continuou . sl} r along the † hfckness of the strip ,...Lnd tha { the strip is Llnder the 下inal lea(ling The c1Pack face . g are supposed to be insulatccl therlnally und electrically , L: sillLr il 瓦 3gral trarLE[ ur ' rll 亡 echii [ c ⊥ ues
more » ... 亡 echii [ c ⊥ ues , the p 【 ' obiem is reduced 匸o that 〔 〕「solvinkr しwu sysLems of singular intcgral equ 臼 ii{ 〕ns Syslernatic nu 【 nerical calculations . are cal ・ ried りu し zii ]d し he x ・ uri i . Lk〕ns 〔 }f tlle 呂tress and eiect 正 ・ ic displacement intensity fact 〔 )T ' s arc plu [ted f輒 various valu 巳 s of dimensionless parameters represelltillg the crack size 、 〔 he ⊂r ' ackI 〔 }cation . and the lllatel ' 正 a 呈inh〔レ【 nogelleity . The fc } } 1〔〕wing radg can bρ found fl ' om the numcrical res しL [ ts. The nc 〕r 【 nalized intcllsity fuctors are under the grea 亡 1「湘 uc η ce of Lhe ge 〔) me 亡 ric parame 荘 ・ rs . The effect of thp material lnhomogenci し y Qn し he il1 し ensity
doi:10.1299/kikaia.76.1082 fatcat:okpuxhmagnhgdobibhkom7oqyy