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ESTIMATION OF THE EFFICIENCY OF CODES FOR STIFF DIFFERENTIAL EQUATION SYSTEMS IN PROBLEMS OF COMBUSTION PHYSICS

V. K. Ryabinin
VANT. Ser.: Mat. Mod. Fiz. Proc 2012. Вып.4. С. 39-47.

The efficiency of three codes, which are the integrators of ordinary differential equation systems of a high degree of mathematical stiffness, has been studied. Such equations occur during the description of kinetics of branched chain reactions typical for the combustion processes and explosive transformations. The integrators have been tested by the example of three model problems, which are specific to the gaseous combustion physics.

Keywords: mathematical simulation, combustion, chemical kinetics, stiff differential equations, software testing.







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