A multibaker map for shear flow and viscous heating

Details A multibaker map for shear flow and viscous heating A multibaker map for shear flow and viscous heating

2001-02-09

arxiv.org/abs/nlin/0102013v1

Physical Review E 64 (2001) 056106

Nonlinear Sciences

Chaotic Dynamics

11 pages; RevTex with multicol+graphicx packages; eps-figures

Scientific paper

10.1103/PhysRevE.64.056106

A consistent description of shear flow and the accompanied viscous heating as well the associated entropy balance is given in the framework of a deterministic dynamical system. A laminar shear flow is modeled by a Hamiltonian multibaker map which drives velocity and temperature fields. In an appropriate macroscopic limit one recovers the Navier-Stokes and heat conduction equations along with the associated entropy balance. This indicates that results of nonequilibrium thermodynamics can be described by means of an abstract, sufficiently chaotic and mixing dynamics. A thermostating algorithm can also be incorporated into this framework.

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