Visco-elastic fluid simulations of coherent structures in strongly coupled dusty plasma medium
VS Dharodi and SK Tiwari and A Das, PHYSICS OF PLASMAS, 21, 073705 (2014).
A generalized hydrodynamic model depicting the behaviour of visco- elastic fluids has often been invoked to explore the behaviour of a strongly coupled dusty plasma medium below their crystallization limit. The model has been successful in describing the collective normal modes of the strongly coupled dusty plasma medium observed experimentally. The paper focuses on the study of nonlinear dynamical characteristic features of this model. Specifically, the evolution of coherent vorticity patches is being investigated here within the framework of this model. A comparison with Newtonian fluids and molecular dynamics simulations treating the dust species interacting through the Yukawa potential has also been presented. (C) 2014 AIP Publishing LLC.
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