Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6706749 | Composite Structures | 2015 | 8 Pages |
Abstract
A micropolar cohesive damage model for delamination of composites is proposed. The main idea is to embed micropolarity, which brings an additional layer of kinematics through the micro-rotation degrees of freedom within a continuum model to account for the micro-structural effects during delamination. The resulting cohesive model, describing the modified traction separation law, includes micro-rotational jumps in addition to displacement jumps across the interface. The incorporation of micro-rotation requires the model to be supplemented with physically relevant material length scale parameters, whose effects during delamination of modes I and II are brought forth using numerical simulations appropriately supported by experimental evidences.
Keywords
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Physical Sciences and Engineering
Engineering
Civil and Structural Engineering
Authors
Md.M. Rahaman, S.P. Deepu, D. Roy, J.N. Reddy,