Interface crack tip singularity with contact and friction |
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| Affiliation: | 1. Department of Civil Engineering, University of Siegen, Germany;2. Institute of Aeronautics and Astronautics, National Cheng Kung University, Taiwan;3. Department of Civil Engineering, The University of Akron, USA |
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| Abstract: | The interface crack tip singularity is numerically investigated within the generalised plane strain framework, with anisotropic substrates. Under the assumption that there is a contact zone along the crack front, the frictionless contact case and Coulomb's friction law are examined. The slip direction being prescribed, it is then shown that friction acts like a crack tip blunting, and the singularity is weaker than in the frictionless contact or crack opening cases. |
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