Research Article
Stress Intensity Factors for Corner Cracks under Arbitrary Stress Fields in the Finite Plates Based on the Point Weight Function Method
Table 2
Errors between point weight function method and finite element results.
| | Stress type | Max error | Average error (MAPE) | | A | B | A | B | A | B | A | B | | | | |
| | 1 | 127.27% | 6.92% | 6.297 | 2.701 | 37.92% | 1.84% | 1.268 | 0.507 | | 2 | 26.33% | 3.44% | 3.966 | 1.357 | 10.59% | 1.05% | 0.805 | 0.273 | | 3 | 57.53% | 30.86% | 10.904 | 3.349 | 15.87% | 6.44% | 2.233 | 0.584 | | 4 | 56.23% | 27.46% | 2.301 | 6.437 | 21.00% | 7.55% | 0.499 | 1.193 | | 5 | 8.06% | 10.17% | 8.502 | 9.590 | 2.64% | 2.95% | 1.656 | 1.708 | | 6 | 25.26% | 1.44% | 0.047 | 0.400 | 1.90% | 0.91% | 0.008 | 0.245 | | 7 | 1.74% | 5.59% | 1.294 | 3.295 | 0.62% | 2.54% | 0.266 | 0.623 | | 8 | 58.93% | 31.64% | 2.009 | 10.820 | 22.86% | 7.60% | 0.415 | 2.001 | | 9 | 20.56% | 45.80% | 5.758 | 2.746 | 6.26% | 17.74% | 1.140 | 0.587 | | 10 | 105.03% | 16.86% | 19.736 | 20.491 | 33.50% | 4.79% | 4.803 | 4.284 | | 11 | 87.32% | 59.31% | 15.234 | 2.927 | 19.47% | 13.92% | 3.112 | 0.532 | | 12 | 35.36% | 9.98% | 0.125 | 0.165 | 14.05% | 3.58% | 0.022 | 0.033 | | 13 | 52.64% | 33.00% | 14.612 | 2.396 | 12.20% | 11.98% | 2.936 | 0.541 | | 14 | 5.32% | 6.75% | 0.632 | 0.542 | 4.23% | 2.15% | 0.133 | 0.103 |
|
|
