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arXiv · 1407.3396

Stripe formation in horizontally oscillating granular suspensions

Robabeh Moosavi·Maniya Maleki·M. Reza Shaebani·J. C. Ruiz-Suarez·Eric Clement
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Abstract

We present the results of an experimental study of pattern formation in horizontally oscillating granular suspensions. Starting from a homogeneous state, the suspension turns into a striped pattern within a specific range of frequencies and amplitudes of oscillation. We observe an initial development of layered structures perpendicular to the vibration direction and a gradual coarsening of the stripes. However, both processes gradually slow down and eventually saturate. The probability distribution of the stripe width approaches a nonmonotonic steady-state form which can be approximated by a Poisson distribution. We observe similar structures in MD simulations of soft spherical particles coupled to the motion of the surrounding fluid.

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Robabeh Moosavi, Maniya Maleki, M. Reza Shaebani, J. C. Ruiz-Suarez, Eric Clement. 2014-07-12. Stripe formation in horizontally oscillating granular suspensions. https://doi.org/10.1209/0295-5075%2F107%2F34006

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