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Separation work analysis of cohesive law and consistently coupled cohesive law |
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| Authors: | Ming-hua HE Ke-gui XIN |
| Institution: | 1. Department of Civil Engineering, Tsinghua University, Beijing 100084, P. R. China;Key Laboratory of Civil Engineering Safety and Durability of China Ministry of Education,Beijing 100084, P. P. China;Department of Civil and Environmental Engineering, University of California at Berkeley,California 94720, USA 2. Department of Civil Engineering, Tsinghua University, Beijing 100084, P. R. China;Key Laboratory of Civil Engineering Safety and Durability of China Ministry of Education,Beijing 100084, P. P. China |
| Abstract: | An appropriate coupled cohesive law for predicting the mixed mode failure is established by combining normal separation and tangential separation of surfaces in the cohesive zone model(CZM) and the cohesive element method.The Xu-Needleman exponential cohesive law with the fully shear failure mechanism is one of the most popular models.Based on the proposed consistently coupled rule/principle,the Xu-Needleman law with the fully shear failure mechanism is proved to be a non-consistently coupled cohesive law b... |
| Keywords: | cohesive element cohesive zone model (CZM) cohesive law separation work analysis consistently coupled rule/principle consistently coupled cohesive (CCC)law non-consistently coupled cohesive law |
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