Elasto-plastic flow of a foam around an obstacle

Details Elasto-plastic flow of a foam around an obstacle Elasto-plastic flow of a foam around an obstacle

2012-02-27

arxiv.org/abs/1202.5843v1

Physics

Condensed Matter

Soft Condensed Matter

Scientific paper

10.1103/PhysRevE.83.041404

We simulate quasistatic flows of an ideal two-dimensional monodisperse foam around different obstacles, both symmetric and asymmetric, in a channel. We record both pressure and network contributions to the drag and lift forces, and study them as a function of obstacle geometry. We show that the drag force increases linearly with the cross section of an obstacles. The lift on an asymmetric aerofoil-like shape is negative and increases with its arc length, mainly due to the pressure contribution.

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