Modelling of progressive interface failure under combined normal compression and shear stress |
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| Institution: | 1. Karlsruhe Institute of Technology (KIT), Institute for Technical Physics, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany;2. Consorzio RFX (CNR, ENEA, INFN, Università di Padova, Acciaierie Venete SpA), Corso Stati Uniti 4, 35127 Padua, Italy;1. Institut de Science des Matériaux de Mulhouse, UMR 7361 CNRS – UHA, 15 rue Jean Starcky, BP 2488, 68057 Mulhouse cedex, France;2. Institut UTINAM, UMR 6213 CNRS – Université de Franche-Comté, 16 Route de Gray, 25030 Besançon cedex, France;3. Institut National de la Santé et de la Recherche Médicale, U1121, 11 rue Humann, 67085 Strasbourg cedex, France;1. Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, D-85748 Garching, Germany;2. ITER Organization, Route de Vinon sur Verdon, F-13067 Saint Paul lez Durance, France;3. ENEA for EUROfusion, via E. Fermi 45, I-00044 Frascati, Italy;4. CEA, IRFM, F-13108 Saint-Paul-Lez-Durance, France;1. Graduate School at Shenzhen, Harbin Institute of Technology, Harbin 150001, PR China;2. Centre for Infrastructure Engineering, School of Computing, Engineering and Mathematics, Western Sydney University, Penrith, NSW 2751, Australia;3. School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, PR China;1. Max Planck Institute for Plasma Physics, Garching, Germany;2. Oak Ridge National Laboratory, USA National Laboratory, Oak Ridge, Tennessee, United States;3. Max Planck Institute for Plasma Physics, Greifswald, Germany;4. University of Tennessee, Knoxville, United States;1. School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230026, People’s Republic of China;2. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China |
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| Abstract: | The present work is concerned with an analysis of progressive interface failure under normal compressive stress and varying shear stress using the cohesive crack model. The softening model is assumed and frictional linear stress at contact is accounted for. A monotonic loading in anti-plane shear of an elastic plate bonded to a rigid substrate is considered. An analytical solution is obtained by neglecting the effect of minor shear stress component in the plate. The elastic and plate interface compliances are included into the analysis. Three types of solutions are distinguished in the progressive delamination analysis, namely short, medium and long plate solutions. The analysis of quasi-static progressive delamination process clarifies the character of critical points and post-critical response of the plate. The analytical solution provides a reference benchmark for numerical algorithms of analysis of progressive interface delamination. The case of a rigid–softening interface was treated in a companion paper, where also cyclic loading was considered. |
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