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Particle stress in suspensions of soft objects

T. Krüger, F. Varnik, D. Raabe

Philosophical Transactions of The Royal Society A, 13, 2414-2421, (2011)

DOI: 10.1098/rsta.2011.0090

Download: BibTEX

In a suspension of extended objects such as colloidal particles, capsules or vesicles, the contribution of particles to the stress is usually evaluated by first determining the stress originating from a single particle (e.g. via integrating the fluid stress over the surface of a particle) and then adding up the contributions of individual particles. While adequate for a computation of the average stress over the entire system, this approach fails to correctly reproduce the local stress. In this work, we propose and validate a variant of the method of planes which overcomes this problem. The method is particularly suited for many-body interactions arising from, for example, shear and bending rigidity of red blood cells.

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{"type":"article", "name":"t.krüger20116", "author":"T. Krüger and F. Varnik and D. Raabe", "title":"Particle stress in suspensions of soft objects", "journal":"Philosophical Transactions of The Royal Society A", "volume":"13", "OPTnumber":"369", "OPTmonth":"6", "year":"2011", "OPTpages":"2414-2421", "OPTnote":"", "OPTkey":"lattice Boltzmann method; immersed boundary method; haemorheology; apparent viscosity; particle stress; method of planes", "DOI":"10.1098/rsta.2011.0090"}
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