| |
 |
 |
Since 1978
Published in Sarov (Arzamas-16), Nizhegorodskaya oblast |
RUSSIAN FEDERAL
NUCLEAR CENTER -
ALL-RUSSIAN RESEARCH INSTITUTE
OF EXPERIMENTAL PHYSICS |
|
 Русский |  English
|
APPLICATION OF THE PIECEWISE PARABOLIC METHOD TO CONVECTIVE FLOW CALCULATIONS USING LAGRANGIAN-EULERIAN GRID
S. M. Bakhrakh, I. Yu. Bezrukova, S. N. Pronevich
VANT. Ser.: Mat. Mod. Fiz. Proc 2004. Вып.1. С. 3-11.
A piecewise parabolic method to compute convective flows is implemented within LEGAK complex for computing time-dependent multi-component medium flows in Lagrangian-Eulerian setting. The computation of test (shock wave movement) and methodical (ellipsoid dispersion, growth of gas interface instability as a shock passes through) tasks showed the efficiency and availability of a piecewise parabolic method for enhancement of calculations accuracy.
| SMOOTHING ALGORITHMS FOR HIGH-FREQUENCY PERTURBATION OF THE VELOCITY FIELDS AS APPLIED TO MULTI-CELL COMPUTATIONS ON A MULTIPROCESSOR
S. M. Bakhrakh, V. V. Borlyaev, N. A. Volodina, M. O. Zaitseva, A. D. Kovaleva, O. N. Kulygina, L. A. Ryabchun
VANT. Ser.: Mat. Mod. Fiz. Proc 2004. Вып.1. С. 47-54.
The paper centers on studying several types of smoothing operators for high-frequency perturbations within LEGAK-2D complex as applied to multi-cell computations. A smoothing operator by the fourth-order differences with weighting factors is ordinary used within LEGAK-2D programs. This operator was modified with regard to all defects and entered into LEGAK-2D complex. The smoothing operators of physical viscosity type and Chen smoothing operator are also entered into this complex. The results of test computations using proposed smoothing operators are presented. The recommendations for their use are given.
|
[ Back ] |
|
|
| |
| |
 |
| |
|