Local well-posedness of compressible Radiation Hydrodynamic equations
with density-dependent viscosities and vacuum
Abstract
In this paper, we consider the Cauchy problem for three-dimensional
isentropic compressible radiation hydrodynamic equations with
density-dependent viscosity coefficients. When the viscosity
coefficients are given as power of density
($\rho^\delta$ with
$\delta>1$), we establish the
local-in-time existence of classical solutions containing a vacuum for
large initial data. Here, we point out that the initial layer
compatibility conditions are not necessary.