Since 1978
Published in Sarov (Arzamas-16), Nizhegorodskaya oblast

RUSSIAN FEDERAL
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ALL-RUSSIAN RESEARCH INSTITUTE
OF EXPERIMENTAL PHYSICS
 
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SOFTWARE PACKAGE FOR SOLVING 1-D MATHEMATICAL PHYSICS PROBLEMS "1-D COMPLEX"

I. D. Sofronov
Vant. Ser. Metodiki i Programmy Chislennogo Resheniya Zadach Matematicheskoy Fiziki 1978. Вып.1. С. 3-6.

The paper is the first of the serial papers describing the software package for solving 1-D mathematical physics problems. A production program is defined and its difference from a methodical one is considered. Demands for production programs are formulated.
      The package structure is described. The concept of package complexity is explicated. The content of the 1976 complex version is considered.



UP-CODE FOR 1-D GAS DYNAMICS AND ELASTOPLASTIC PROBLEMS OF CONTINUUM MECHANICS

V. A. Batalov, V. A. Svidinski, V. I. Selin, V. N. Sofronov
Vant. Ser. Metodiki i Programmy Chislennogo Resheniya Zadach Matematicheskoy Fiziki 1978. Вып.1. С. 21-28.

A code to solve 1-D continuum mechanics problems is described, allowing to account the following physical processes: gas dynamics, elastoplastic deformation on the basis of Prandt1-Reiss plastic flow laws, explosive detonation, breakoff and radial fracturing, diffusion-approximated heat conductivity. Finite- -difference walkthrough pseudo-viscosity method ("CREST"-scheme) is used for numerical solution of the gas dynamics system. Radial fracturing, evaporation, melting and explosive detonation are realized in the program through the equation of state.
      The program is block-structured and has dynamic memory allocation. The program computer complex linking is made depending on the type of symmetry of the problem being computed. Problem capabilities are demonstrated by computing 6 test problems.










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