No. 4 (2021)

No 4 (2021)

DOI: 10.17721/1812-5409.2021/4

DOI: https://doi.org/10.17721/1812-5409.2021/4

Published: 2021-12-21

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Algebra, Geometry and Probability Theory

The lower bound of diameter of Alternating groups

M. Olshevskyi

11-22
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Differential equations, mathematical physics and mechanics

Vortex dynamics of junction flows

V. A. Voskoboinick, O. A. Voskoboinyk, L. M. Tereshchenko, A. V. Voskobiinyk

25-28
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Towards the analysis of stress relaxation in thin-walled cylindrical shells made of linear viscoelastic materials

V. P. Golub

29-34
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Deterministic and stochastic methods combining while solving the problem of defectoscopy of an elastic rod

G. M. Zrazhevsky, V. F. Zrazhevska

35-38
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Mathematical modeling of influence of strong winds on technical and plant structures on urban areas

N. M. Kizilova, N. L. Rychak

39-45
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Simulation of cylindrical rod destruction process under multi-cyclic symmetric torsion

Yu. M. Kobzar

46-49
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Implementation of the methodology for calculating the contact interaction of teeth of gear wheels made of composite materials

V. V. Mozharovsky, D. S. Kuzmenkov, M. V. Moskaleva, S. V. Kirhintsava

50-55
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Mathematical model of erythrocyte in the capillary motion

V. V. Novytskyy, V. V. Novytskyy (Jr)

56-61
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Modelling of cyclic creep deformations of nonlinear viscoelastic materials using Heaviside function

Y. V. Pavlyuk

62-65
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On the influence of the stress state on the deformation of construction materials

O. V. Romanov

66-69
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Numerical simulation of the thermo-stress-strain state of elements under 3D printing

I. K. Senchenkov, M. V. Jurzhenko, O. P. Chervinko, O. V. Dolia

70-75
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The flow of a liquid in a cylindrical duct with diaphragms of a rectangular profile

Ya. P. Trotsenko

76-81
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Determination of parameters of the primary mode of the tunung fork type solid-state gyroscope

I. A. Ulitko, O. B. Kurylko, M. B. Zathei

82-87
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Eigenfrequencies and eigenforms of regular chain oscillatory systems

K. G. Khoroshev, S. V. Kykot

88-93
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Comparative analysis of the linear and nonlinear rules of mixtures in modeling the stress state of a half-space

N. D. Yakovenko, O. P. Chervinko, S. M. Yakymenko

94-97
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Correction of artifacts in optoacoustic imaging using an iterative approach

A. G. Rudnitskii, M. A. Rudnytska, L. V. Tkachenko

98-107
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Computer Science and Informatics

Modeling and Control for Complicated Education Systems

O. A. Kapustian, Y. V. Petlenko

110-115
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Methodology for building a functionally stable intelligent information system of a manufacturing enterprise

Valentyn V. Sobchuk, Iryna V. Zamrii, Oleg V. Barabash , Andrii P. Musienko

116-127
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