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EnglishWe study mode-I dynamic crack propagation using the cohesive-zone methodology. Subscale processes are represented via a form of rate-sensitivity, which translates to the macroscopic level the effects of micro-cracking. Namely, rate-sensitivity is included in the model in a way that it is directly related to the speed of the crack front that is typically measured during experiments. A representative numerical example is discussed that demonstrates the effectiveness of the proposed approach.
| Titolo: | A cohesive zone model with rate-sensitivity for fast crack propagation | |
| Autori: | ||
| Data di pubblicazione: | 2014 | |
| Rivista: | ||
| Abstract: | We study mode-I dynamic crack propagation using the cohesive-zone methodology. Subscale processes are represented via a form of rate-sensitivity, which translates to the macroscopic level the effects of micro-cracking. Namely, rate-sensitivity is included in the model in a way that it is directly related to the speed of the crack front that is typically measured during experiments. A representative numerical example is discussed that demonstrates the effectiveness of the proposed approach. | |
| Handle: | http://hdl.handle.net/11367/27071 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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