EnglishA fully parametric weight function (WF) is proposed for determining the stress intensity factors (SIFs) of an inclined edge crack carrying a terminal kink. The WF can evaluate with accuracy better than 0.4% the SIFs for cracks with initial inclination angle in the range [60°,60°], kinking angle in the range [90°,90°], and the ratio of kinked-to-initial-cracklength in the range [0,1/4]. For inclined straight edge cracks, the WF accuracy is better than that of WFs derived so far. The online version of the paper is provided with a MATLAB(C) script containing functions that return the WF components and the SIFs.
| Autori interni: | MONELLI, BERNARDO DISMA BEGHINI, MARCO |
| Autori: | Benedetti M.; Fontanari V.; Monelli B.D.; Beghini M. |
| Titolo: | A fully parametric weight function for inclined edge cracks with a kink |
| Anno del prodotto: | 2015 |
| Abstract: | A fully parametric weight function (WF) is proposed for determining the stress intensity factors (SIFs) of an inclined edge crack carrying a terminal kink. The WF can evaluate with accuracy better than 0.4% the SIFs for cracks with initial inclination angle in the range [60°,60°], kinking angle in the range [90°,90°], and the ratio of kinked-to-initial-cracklength in the range [0,1/4]. For inclined straight edge cracks, the WF accuracy is better than that of WFs derived so far. The online version of the paper is provided with a MATLAB(C) script containing functions that return the WF components and the SIFs. |
| Digital Object Identifier (DOI): | 10.1016/j.engfracmech.2015.01.029 |
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