CONTENTS

МATHEMATICS

Krutikov V.N., Vershinin Ya.N. The subgradient multistep minimization method for

nonsmooth high-dimensional problems

5

Pastuhova G.V. Description of a class of finite groups

20

Sherina E.S., Starchenko A.V. Finite volume schemes for the electrical impedance to-

mography problem

25

MECHANICS

Arbit O.A. On solving equations of lagrangian hydrodynamics

39

Gavrilov K.A., Demin V.A., Popov E.A. The motion and interaction of three-

dimensional plumes in a thin vertical layer

45

Gerasimov A.V., Pashkov S.V. Numerical simulation of the group hypervelocity ele-

ments impact on a spacecraft

57

Gorobchuk A.G. On a numerical scheme of exponential fitting for solving radio-

frequency discharge equations in the hydrodynamic approximation ................................... 65

Kambarova Zh.T., Alibekova A.R., Turgunov M.M., Kusaiynov E.K., Ranova G.A.

Studying the drag of a triangular wind turbine blade for low wind velocities

75

Kinelovskii S.A., Maevskii K.K. A behavior model for porous iron containing mixtures

upon shock wave loading

82

Fomin A.A., Fomina L.N. Numerical solution of the Navier – Stokes equations in the

model-ing of two-dimensional viscous incompressible fluid flows

94

MEMOIRS, MEMORABLE DATES, PERSONALITIES

Alexandrov I.A., Kopaneva L.S., Pestov G.G. History of the Department of

mathematical analysis in Tomsk State University

109