Research Article

Dual Boundary Element Method Applied to Antiplane Crack Problems

Table 1

Normalised mode III stress intensity factor for a straight central crack.

𝑎 1 0 . 2 5 1 0 . 5 1 1 1 2 1 4

𝑎 𝑤 Present 1.909 1.724 1.689 1.688 1.661
1 1 . 2 Reference [17] 1.897 1.723 1.689 1.686 1.686
Reference [31] 1.900 1.725 1.691 1.689 1.689

𝑎 𝑤 Present 1.796 1.467 1.371 1.361 1.361
1 1 . 4 Reference [17] 1.780 1.460 1.369 1.359 1.358
Reference [31] 1.782 1.463 1.370 1.361 1.360

𝑎 𝑤 Present 1.784 1.405 1.257 1.236 1.236
1 1 . 6 Reference [17] 1.771 1.399 1.254 1.233 1.233
Reference [31] 1.773 1.401 1.256 1.235 1.235

𝑎 𝑤 Present 1.792 1.384 1.179 1.131 1.129
1 2 . 0 Reference [17] 1.770 1.377 1.176 1.127 1.126
Reference [31] 1.772 1.379 1.178 1.130 1.128