Персона: Букалин, Алексей Олегович
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Институт интеллектуальных кибернетических систем
Цель ИИКС и стратегия развития - это подготовка кадров, способных противостоять современным угрозам и вызовам, обладающих знаниями и компетенциями в области кибернетики, информационной и финансовой безопасности для решения задач разработки базового программного обеспечения, повышения защищенности критически важных информационных систем и противодействия отмыванию денег, полученных преступным путем, и финансированию терроризма.
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Алексей Олегович
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- ПубликацияТолько метаданныеVisualization of the process of neutron-physical calculation of a nuclear reactor(2020) Bukalin, A. O.; Zagrebayev, A. M.; Samanchuk, V. N.; Букалин, Алексей Олегович; Загребаев, Андрей Маркоянович; Саманчук, Владимир Никифорович© 2020 National Research Nuclear University. All rights reserved.This article describes a computer program for visualization of the process of solving the diffusion equation by the source iteration method. This method is used in the overwhelming majority of software systems for calculation of VVER and RBMK reactors. This program allows you to visually demonstrate the process of obtaining the neutron field micro- and macrostructure (macrofield) in course of the iterative solution of the equation. Visualization of the iterative process allowed us to establish the fact of the rapid appearance of the microstructure of the solution at the first iterations and the slow appearance of the macrofield of the neutron flux density. This fact made it possible to propose a new approach for solving the diffusion equation, namely, to extract the low-frequency component from the initial data of macroscopic interaction cross sections using digital filtering methods; then initially perform the calculation with filtered macroconstants on a coarse grid, and finally on a fine grid. The studies have shown that the calculation of reactor is accelerated several times even on a one-dimensional model, which means that when solving a three-dimensional problem, the solution speed will increase by orders of magnitude. This is important when solving optimization problems and «online» calculating emergency situations.
- ПубликацияТолько метаданныеNew Data Compression Algorithm For Technological Information Of The Information-Measuring System "Skala-Micro"(2021) Bukalin, B.; Zagrebaev, A. M.; Букалин, Алексей Олегович; Загребаев, Андрей Маркоянович© 2021, Eurasian Journal of Mathematical and Computer Applications. All Rights Reserved.This paper describes a computer program that implements an algorithm for compressing technological information with losses using archive data of the information-measuring system "Skala-micro" of the Kursk and Smolensk NPPs as an example. The presented algorithm allows to compress file archives at the data level with the possibility of their quick subsequent recovery within the limits of the acceptable error. The main goal of the algorithm is to significantly reduce the excess amount of memory when storing data for its subsequent more efficient use.
- ПубликацияТолько метаданныеSoftware Package for Three-Dimensional Visualization of the Behavior of Neutron Fields and Archived Parameters During the Operation of the RBMK-1000 Reactor(2022) Bukalin, A. O.; Zagrebayev, A. M.; Pilyugin, V. V.; Букалин, Алексей Олегович; Загребаев, Андрей Маркоянович; Пилюгин, Виктор Васильевич© 2022 National Research Nuclear University. All rights reserved.This paper describes the calculation algorithm, software package and visualization of the three-dimensional neutron field deformation according to the archive of the RBMK (high-power pressure-tube reactor) reactor operational parameters. The determination of the field deformation is based on finding "natural" functions for approximating the readings of in-reactor control discretely located sensors. This paper considers the use of generally accepted harmonic functions and "natural" functions for describing the spatial deformation of the neutron field. It is shown that to describe the deformation of the neutron field, it is sufficient to use only a few "natural" functions, in contrast to the use of all harmonic functions from a given set. This, in turn, opens up new possibilities, in particular, for solving the problems of predictive diagnostics of in-reactor control sensors.
- ПубликацияТолько метаданныеVisualization of the neutron fields behavior according to the operational archives of the nuclear reactor RBMK(2021) Bukalin, A.; Zagrebayev, A.; Pilyugin, V.; Букалин, Алексей Олегович; Загребаев, Андрей Маркоянович; Пилюгин, Виктор Васильевич© 2021 Copyright for this paper by its authors.This paper describes the calculation algorithm, software package and visualization of the three-dimensional neutron field deformation according to the archive of the RBMK (high-power pressure-tube reactor) reactor operational parameters. The determination of the field deformation is based on finding "natural" functions for approximating the readings of in-reactor control discretely located sensors. This paper considers the use of generally accepted harmonic functions and "natural" functions for describing the spatial deformation of the neutron field. It is shown that to describe the deformation of the neutron field, it is sufficient to use only a few "natural" functions, in contrast to the use of all harmonic functions from a given set. This, in turn, opens up new possibilities, in particular, for solving the problems of predictive diagnostics of in-reactor control sensors.