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- Article name
- Numerical realization of the tabular equations of a state for components of composite materials in modern hydrocodes
- Authors
- OSTRIK A. V., , ostrik@ficp.ac.ru, Institute for Problems of Chemical Physics RAS, Chernogolovka, Russia
KIM V. V., , kim@ficp.ac.ru, Institute for Problems of Chemical Physics RAS, Chernogolovka, Russia
LOMONOSOV I. V., , ivl143@ficp.ac.ru, Institute for Problems of Chemical Physics RAS, Chernogolovka, Russia
- Keywords
- composite materials / tabular equations of a state / condition of thermodynamic coordination / numerical realization / shock adiabatic curve / high-speed impact
- Year
- 2015 Issue 2 Pages 39 - 45
- Code EDN
- Code DOI
- Abstract
- The analysis of methods of approximation of the wide-range equations of state used for solution problems of physics of high energy density is made. The main requirements to the equations of a state for components of composite materials are formulated for their application in modern hydrocodes. The two-stage algorithm of reconstruction of the tabular equations of a state for the numerical solution of gasdynamic 3D-tasks is described. Calculation and reservation of approximating coefficients is offered to be made before the solution of a gasdynamic task for all set of tabular cells. The settlement results showing possibilities of the offered method of completion of the tabular equations of a state for numerical solution of problems of physics of high energy density are given.
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