Table 9 Williams equation parameters and crack tip coordinates
\(a_{1}\) | \(a_{2}\) | \(a_{3}\) | \(a_{4}\) | \(a_{5}\) | \(x_{o}\) | \(y_{o}\) | ||
|---|---|---|---|---|---|---|---|---|
(a) | Con. | 25.16 | − 38.12 | − 260.11 | 2156 | − 107767 | 820 | 660 |
Pro. | 23.22 | − 21.17 | − 548.67 | 136.84 | − 17506 | 805.59 | 648.22 | |
(b) | Con. | 21.32 | − 27.66 | − 243.38 | 1669 | − 81534 | 820 | 660 |
Pro. | 19.97 | − 15.29 | −443.89 | 34.65 | − 13742 | 808.45 | 650.59 | |
(c) | Con. | 21.72 | − 33.79 | − 254.12 | 1004 | − 76756 | 815 | 655 |
Pro. | 20.34 | − 20.94 | − 468.72 | − 572.90 | − 9278 | 803.79 | 649.22 | |