Motion and Deformation of Elastic Capsules and Vesicles in Flow
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[1] Pierre and Marie Curie University
Pierre and Marie Curie University
París, Francia
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- Localización: Annual review of fluid mechanics, ISSN 0066-4189, Nº. 48, 2016, págs. 25-52
- Idioma: inglés
- Texto completo no disponible (Saber más ...)
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Resumen
This article reviews the mechanical behavior of a capsule under the influence of viscous deforming forces due to a flowing fluid. It focuses on artificial capsules and vesicles with an internal liquid core enclosed by a very thin membrane with different constitutive laws. The recent modeling strategies are outlined together with their respective advantages and limitations. I then consider the motion and deformation of a single, initially spherical capsule freely suspended in a simple shear or plane hyperbolic flow and discuss the effect of the membrane constitutive law, initial prestress, membrane buckling, and bulk or membrane viscosity. Finally, I consider the flow of spherical capsules in small pores and show how numerical models can be used to evaluate the mechanical properties of the membrane.
