3 Citations (Scopus)

Abstract

An optimization method for the numerical solution of the inverse problem of recovering the initial state of a supernova is proposed. The gradient of the inverse problem objective functional is constructed. The solution of the direct and adjoint problems is based on a combination of the large particle method, Godunov’s method, and piecewise parabolic method on a local stencil. Results of the verification of the proposed numerical method and the results of numerical solution of the Evrard and Sedov collapse problems are presented.

Original languageEnglish
Pages (from-to)1008-1016
Number of pages9
JournalComputational Mathematics and Mathematical Physics
Volume60
Issue number6
DOIs
Publication statusPublished - 1 Jun 2020

Keywords

  • computational astrophysics
  • Godunov’s scheme
  • retrospective inverse problem
  • supernova

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