Asymptotic analysis of mode I propagating crack-tip field in a creeping material |
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| Authors: | Wang Zhen-qing Zhao Qi-cheng Liang Wen-yan Fu Zhang-jian |
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| Institution: | (1) School of Civil Engineering, Harbin Engineering University, 150001 Harbin, China |
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| Abstract: | Adopting an elastic-viscoplastic, the asymptotic problem of mode I propagating crack-tip field is investigated. Various asymptotic
solutions resulting from the analysis of crack growing programs are presented. The analysis results show that the quasistatically
growing crack solutions are the special case of the dynamic propagating solutions. Therefore these two asymptotic solutions
can be unified. |
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| Keywords: | elastic-viscoplastic material viscosity coefficient quasi-static growth dynamic propagating |
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