Аннотация:We present numerical models for supernova remnant evolution, performed
with a hydro-dynamical code SUPREMNA. The code accounts for electron
thermal conduction, electron and ion tem-perature equilibration and
includes self-consistent calculations of time-dependent ionization
processes in the shocked plasma. In this study we present an additional
modification of the package: introduction of cosmic-ray acceleration
processes. We employ two-fluid approxima-tion, which allows us to take
into account self-consistently thermal energy losses to relativistic
particles. We investigate the influence of the relevant parameters on
the dynamical and phys-ical properties of the modeled remnants and on
the corresponding simulated X-ray spectra. We compare the properties of
the models with the observed features of some young supernova remnants
such as Tycho and SN1006.