A discrete model and analysis of one dimensional deformations in a structural interface with micro-rotations

Details A discrete model and analysis of one dimensional deformations in a structural interface with micro-rotations A discrete model and analysis of one dimensional deformations in a structural interface with micro-rotations

2009-05-22

arxiv.org/abs/0905.3596v3

Mechanics Research Communications 37, 225-229 (2010)

Physics

Condensed Matter

Materials Science

8 pages, 4 figures. Mechanics Research Communications (in press)

Scientific paper

The static and dynamic properties of a Cosserat-type lattice interface of finite thickness are studied, so that both displacements and rotational degrees of freedom are taken into account. The model allows considering interfaces with a beam-like microstructure and interfaces with finite size particles as particular cases. One-dimensional solutions describing shear and micro-rotations at the interface are obtained and discussed. Harmonic as well as localized solutions, and the properties of the interfaces as filters for elastic waves are investigated. It is shown that both systems with long- and short-wavelength localization may exist.

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