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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by:
Paper 92
A Micro-Mechanical Model for Interfaces including Cracks and Roughness M.L. Raffa1,2 and F. Lebon2
1Department of Civil Engineering and Computer Science Engineering, University of Rome "Tor Vergata", Italy
M.L. Raffa, F. Lebon, "A Micro-Mechanical Model for Interfaces including Cracks and Roughness", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 92, 2014. doi:10.4203/ccp.106.92
Keywords: imperfect interface, roughness, micro-cracks, homogenization, matched asymptotic method..
Summary
In this paper an imperfect interface model is presented. The proposed model combines
the Kachanov homogenization technique for micro-cracked media for the three-dimensional
case and the matched asymptotic method. The interface roughness and
the radius evolution for micro-cracks with nominal pressure are taken into account
in the nearly complete contact condition. The proposed homogenization-asymptotic-evolution
imperfect interface model is compared with well-established imperfect contact
models, such as the modified Krolikowski-Szczepec model.
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