Table 1.

Non dimensional SIFSs from different computational methods.

α	0°	15°	22.5°	45°	67.5°	90°
J-Integral	0	0.0901	0.1896	0.8001	1.5081	1.7942
ENMM	0	0.1106	0.2179	0.8228	1.4668	1.8224
Exact	0	0.1133	0.2199	0.8236	1.4680	1.8160