ICF13A

13th International Conference on Fracture June 16–21, 2013, Beijing, China -9-                                                                             r r r P P P E E E d d d d d D D D 3 2 1 3 2 1 T 33 T 11 T 11 12 31 23 33 22 11 33 31 31 15 15 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       (A.2) where 21 12 13 31 32 23 , ,          (A.3) 21 12 13 31 32 23 , ,          (A.4) r r r r r r 21 12 13 31 32 23 , ,          (A.5)   12 11 1212 66 3131 2323 44 3333 33 2233 1133 13 1122 12 2222 1111 11 2 4 , 4 4 , , , , s s s s s s s s s s s s s s s s s            (A.6) 333 33 322 311 31 223 131 15 , , 2 2 d d d d d d d d      (A.7) Appendix B The values of r ij ij    and r i iP P   for 180 o switching can be expressed as 0 0, 0, 0, 0, 0, 31 23 12 33 22 11                   (B.1) s P P P P 2 0, 0, 3 2 1       (B.2) For 90o switching in the x 3x1 plane, the changes are 0 0, 0, , 0, , 31 23 12 33 22 11                     s s (B.3) s s P P P P P       3 2 1 0, , (B.4) For 90o switching in the x 2x3 plane, we have 0 0, 0, , , 0, 31 23 12 33 22 11                     s s (B.5) s s , P P , P P P       3 2 1 0 (B.6)

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