Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Numerical solution of the Boltzmann equation for the shock wave in a gas
  mixture   We study the structure of a shock wave for a two-, three- and four-component
gas mixture on the basis of numerical solution of the Boltzmann equation for
the model of hard sphere molecules. For the evaluation of collision integrals
we use the Conservative Projection Method developed by F.G. Tscheremissine
which we extended to gas mixtures in cylindrical coordinates. The transition
from the upstream to downstream uniform state is presented by macroscopic
values and distribution functions. The obtained results were compared with
numerical and experimental results of other authors.

5
The categories of this paper are: gr-qc
22
The categories of this paper are: chao-dyn
33
The categories of this paper are: plasm-ph
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
8
The categories of this paper are: hep-ex
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
18
The categories of this paper are: econ
4
The categories of this paper are: cond-mat
13
The categories of this paper are: quant-ph