Dynamics and rheology of cells and vesicles in shear flow

Abstract

A deep understanding of the dynamics and rheology ofsuspensions of vesicles, cells, and capsules is relevant for differentapplications, ranging from soft glasses to blood flow [1]. I willpresent the study of suspensions of fluid vesicles by acombination of molecular dynamics and mesoscalehydrodynamics simulations (multi-particle collision dynamics) intwo dimensions [2], pointing out the big potential of thenumerical method to address problems in soft matter. The flowbehavior is studied as a function of the shear rate, the volumefraction of vesicles, and the viscosity ratio between inside andoutside fluids. Results are obtained for the interactions of twovesicles, the intrinsic viscosity of the suspension, and the cell-freelayer near the walls [3-4].[1] D. Barthes-Biesel, Annu. Rev. Fluid Mech. 48, 25 (2016)[2] R. Finken, A. Lamura, U. Seifert, and G. Gompper, Eur. Phys. J. E25, 309 (2008)[3] A. Lamura and G. Gompper, EPL 102, 28004 (2013)[4] A. Lamura and G. Gompper, Procedia IUTAM 16, 3 (2015)


Autore Pugliese

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  • A. Lamura

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Anno di pubblicazione

2016

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