Hydrodynamic limit of the stationary Boltzmann equation in a slab |
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Authors: | R Esposito J L Lebowitz R Marra |
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Institution: | (1) Dipartimento di Matematica, Università di Roma Tor Vergata, I-00133 Roma, Italy;(2) Mathematics and Physics Departments, Rutgers University, 08903 New Brunswick, NJ, USA;(3) Dipartimento di Fisica, Università di Roma Tor Vergata, I-00133 Roma, Italy |
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Abstract: | We study the stationary solution of the Boltzmann equation in a slab with a constant external force parallel to the boundary and complete accommodation condition on the walls at a specified temperature. We prove that when the force is sufficiently small there exists a solution which converges, in the hydrodynamic limit, to a local Maxwellian with parameters given by the stationary solution of the corresponding compressible Navier-Stokes equations with no-slip boundary conditions. Corrections to this Maxwellian are obtained in powers of the Knudsen number with a controlled remainder. |
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