Journal
EPL
Volume 78, Issue 4, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/78/48002
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We study the effects of externally applied shear flow on a model of suspensions of motors and. laments, via the equations of active hydrodynamics ( Phys. Rev. Lett., 89 ( 2002) 058101; 92 ( 2004) 118101). In the absence of shear, the orientationally ordered phase of both polar and apolar active particles is always unstable at zero wavenumber. An imposed steady shear large enough to overcome the active stresses stabilises both apolar and moving polar phases. Our work is relevant to in vitro studies of active. laments, the reorientation of endothelial cells subject to shear flow and shear-induced motility of attached cells.
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