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Showing 1 to 4 of 4 for “"Viscoplastic fluid"”.
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Reduced modelling of mountains and ice sheets
… and ice sheets can often be treated as a fluid flow. These geophysical systems are, however, very complex in terms of the rheology of their constituents and their interactions with environment. Simple mathematical models are often very helpful to reduce the complexity of these systems to …
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Direct numerical simulation of viscoplastic particulate flows
… overriding aspects to modelling suspensions in viscoplastic fluid flows. Firstly, for fully resolved particle suspensions---regardless of the carrier fluid---the discretisation scheme must cope with disparate length scales at the particle boundaries and wider flow field. In this work we adopt …
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The yielding transition in soft materials
… are commonly referred to as either complex fluids or soft materials, and exhibit varying extents of solid-like deformation or fluid-like flow, depending on the specific microstructure of the material. A frequently observed property in soft materials is yielding: the reversible transition of …
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A motion of freely oscillating droplet of a yield stress fluid: analysis and numerical studies
… oscillations of a droplet of a yield stress fluid under the action of surface tension forces. The problem is treated both analytically and numerically. In particular, we address the question if there exists a finite stopping time for an unforced motion of a yield stress fluid with free …