Spontaneous aggregation and global polar ordering in squirmer suspensions
We have developed numerical simulations of three dimensional suspensions of active particles to characterize the capabilities of the hydrodynamic stresses induced by active swimmers to promote global order and emergent structures in active suspensions. We have considered squirmer suspensions embedde...
| Autores: | , |
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| Formato: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2013 |
| País: | España |
| Recursos: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repositorio: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:2445/49463 |
| Acesso em linha: | https://hdl.handle.net/2445/49463 |
| Access Level: | acceso abierto |
| Palavra-chave: | Suspensions (Química) Hidrodinàmica Teoria del transport Mecànica de fluids Física estadística Bioinformàtica Suspensions (Chemistry) Hydrodynamics Transport theory Fluid mechanics Statistical physics Bioinformatics |
| Resumo: | We have developed numerical simulations of three dimensional suspensions of active particles to characterize the capabilities of the hydrodynamic stresses induced by active swimmers to promote global order and emergent structures in active suspensions. We have considered squirmer suspensions embedded in a fluid modeled under a Lattice Boltzmann scheme. We have found that active stresses play a central role to decorrelate the collective motion of squirmers and that contractile squirmers develop significant aggregates. |
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