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THE SOLUTION OF THE UNLIMITED NONSHOCK GAS COMPRESSION PROBLEMS IN SPECIAL FORM AREAS WITH MIMOZA CODES

V. A. Saraev
VANT. Ser. Mat. Mod. Fiz. Proc 1998. Вып.4. С. 3-16.

      The computed data for the unlimited adiabatic gas compression problems in a flat prismatic axially symmetric conic areas, obtained with MIMOZA codes are presented. An exact solution of this problem for the flat prismatic area and an approximate one for the axially symmetric area has been obtained by A.F. Sidorov. The computations with MIMOZA codes were carried out with the help of grid reconstruction and gasdynamic quantity interpolation in the process of calculating with algorithms without shift restrictions for grid nodes within an area. The grid reconstruction was made with observance of some grid mesh state criteria and through a given number of time steps. The computed data for a flat prismatic area are introduced in which flexible mobile piston position as well as coordinate and time pressure from analytical solution are specified as boundary conditions. The computed data for the axially symmetric conic area are presented in which coordinate and time pressure is specified on a flexible piston boudary. The computed data for the flat prismatic area are compared with an exact solution.










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