Stable propagation of interacting crack systems and modeling of damage
This paper presents general thermodynamic criteria for the stable states and stable path of structures with an interacting system of cracks. In combination with numerical finite element results for various cracked structure geometries, these criteria indicate that the crack response path of structur...
محفوظ في:
| المؤلف الرئيسي: | |
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| مؤلفون آخرون: | |
| التنسيق: | conferenceObject |
| منشور في: |
1989
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| الوصول للمادة أونلاين: | http://hdl.handle.net/10725/7109 http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php https://inis.iaea.org/search/search.aspx?orig_q=RN:21072004 |
| الوسوم: |
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| الملخص: | This paper presents general thermodynamic criteria for the stable states and stable path of structures with an interacting system of cracks. In combination with numerical finite element results for various cracked structure geometries, these criteria indicate that the crack response path of structures may exhibit bifurcations, after which the symmetry of the crack system is broken and some cracks grow preferentially. The problem is of interest for the prediction of ultimate loads, ductility and energy absorption capability of nuclear concrete structures as well as structures made of composites and ceramics |
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