Stationary waves to the two-fluid non-isentropic Navier-Stokes-Poisson system in a half line: Existence, stability and convergence rate
2016
In this paper, we study the asymptotic behavior of solution to
the initial boundary value problem for the two-fluid non-isentropic
Navier-Stokes-Poisson system in a half line
$\mathbb{R}_{+}:=(0,\infty).$ Our idea mainly comes from
[10] which describes the large time behavior of solution
for the non-isentropic Navier-Stokes equations in a half line. The
electric field brings us some additional troubles compared with
Navier-Stokes equations in the absence of the electric field. We
obtain the convergence rate of global solution towards
corresponding stationary solution. Precisely, if an initial
perturbation decays with the algebraic or the exponential rate in
space, the solution converges to the corresponding stationary
solution as time tends to infinity with the algebraic or the
exponential rate in time. The proofs are given by a weighted energy
method.
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