Spatiotemporal rheochaos in nematic hydrodynamics

Chakrabarti, Buddhapriya ; Das, Moumita ; Dasgupta, Chandan ; Ramaswamy, Sriram ; Sood, A. K. (2004) Spatiotemporal rheochaos in nematic hydrodynamics Physical Review Letters, 92 (5). 055501_1-055501_4. ISSN 0031-9007

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Motivated by recent observations of rheochaos in sheared wormlike micelles, we study the coupled nonlinear partial differential equations for the hydrodynamic velocity and order-parameter fields in a sheared nematogenic fluid. In a suitable parameter range, we find irregular, dynamic shear banding and establish by decisive numerical tests that the chaos we observe in the model is spatiotemporal in nature.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:22777
Deposited On:24 Nov 2010 08:18
Last Modified:17 May 2016 06:45

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