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KIAM Preprint  55, Moscow, 2016
Authors: Zmitrenko N.V., Rahimly O.R.
The convergence of the shock wave in the presence of energy release
The task about a convergence to the center of the spherical shockwave caused by an energy liberation at the expense of a volume source of heat is considered. The law of motion of a wave front, i.e. dependence of radius of the shock front on time, in this case can be already received from temperature for dimension reasons (self-similarity of the first sort, [6]) unlike a classical problem definition within model of 'pure' gas dynamics (self-similarity of the second sort, [1-4]). For the purpose of the analysis of behavior of a shockwave near the center in the environment with an energy release a number of computing experiments was carried out. These researches showed that, nevertheless, near the center of a cumulation the law of a convergence of a shockwave, as well as for a case of non-dissipative gas dynamics is still realized.
gas dynamics, shock wave converging, self-similarity, energy release
Publication language: russian,  pages: 18
Research direction:
Mathematical modelling in actual problems of science and technics
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About authors:
  • Zmitrenko Nikolay Vasilievich,  KIAM RAS
  • Rahimly Orkhan Rahim oglu,  ,  ,