Issue 14
C.M 28 A N Th K K F . Sharanaprabh ALYTICAL E or a sin Cartesian xx yy xy zz 0 zz e stress inten I p w t II p w t u et alii, Frattu STIMATION gular elastic co-ordinate 1 co 2 I K r 1 c 2 II K r 1 s 2 I K r ( ) xx yy Pla sity factor fo c o s 1 b b w s in 1 b b w ra ed Integrità S OF CRACK field of an i s ( x , y ) shown Figure 1 : s 1 sin 2 2 os 1 si 2 in cos 2 2 2 K 2 I r ne stress r CTS specim 1 0 1 0 trutturale, 14 (2 INITIATIO nfinite plate in Fig.1 are Crack tip stres 3 sin 2 K 3 n sin 2 2 3 cos 2 K cos 2 II K en of interes 0 .2 6 .5 5 b w 0 .23 .67 b w 010) 27-35; DO N ANGLE with a crack given a s [4]. ses expressed sin 2 2 II sin 2 II K cos 1 2 II sin 2 t is given by 2 .6 5 0 .0 w b 1 .40 2 .0 w b I: 10.3221/IGF-E , the stress in Cartesian co cos cos 2 cos cos 2 sin sin 2 Plane Strain [11]. 8 b b b w b 8 b b b w b SIS.14.03 near the cra -ordinates. 3 2 3 2 3 2 2 2 ck tip expressed in term (1) (2) (3) (4) (5) (6) (7) s of
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