Table 3 Experimental and theoretical plastic zone area and their relative error
a (mm) | Experimental (mm2) | CJP (mm2) | Error (%) | CJP* (mm2) | Error (%) |
|---|---|---|---|---|---|
13.67 | 0.04574647 | 0.033037 | −27.78134 | 0.047273 | 3.33727 |
14.23 | 0.09682542 | 0.060300 | −37.72283 | 0.098710 | 1.94593 |
14.76 | 0.12467664 | 0.107842 | −13.50273 | 0.124361 | −0.25346 |
15.1 | 0.18494582 | 0.146789 | −20.63161 | 0.185198 | 0.13633 |
15.59 | 0.28605631 | 0.240395 | −15.96244 | 0.285922 | −0.04695 |
15.98 | 0.41793767 | 0.351728 | −15.84190 | 0.413103 | −1.15681 |
16.42 | 0.83251788 | 0.838024 | 0.66140 | 0.845276 | 1.53251 |
16.91 | 0.88106797 | 0.857363 | −2.69046 | 0.918066 | 4.19925 |
17.35 | 1.29518556 | 1.262811 | −2.49961 | 1.342719 | 3.66999 |
17.65 | 2.52213032 | 2.691615 | 6.71991 | 2.770852 | 9.86155 |