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Elasto-plastic flow of a foam around an obstacle

Authors: F. Boulogne and S J Cox

Abstract:

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.

Link to Paper

Authors

Professor Simon Cox

Professor Simon Cox

Study of foam, an example of soft condensed matter. Interested in modelling structural and dynamic properties of collections of bubbles to be able to predict their response in various applications.