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Information Technology and CybersecurityApplication of data-level parallelism to improve the efficiency of numerical methods

Application of data-level parallelism to improve the efficiency of numerical methods

Application of data-level parallelism to improve the efficiency of numerical methods Oleg Zhulkovskyi ORCID: https://orcid.org/0000-0003-0910-1150 Dniprovsk State Technical University Inna Zhulkovska ORCID: https://orcid.org/0000-0002-6462-4299 University of Customs and Finance Hlib Vokhmianin ORCID: https://orcid.org/0000-0002-9582-5990 Dniprovsk State Technical University Illia Tykhonenko ORCID: https://orcid.org/0009-0006-4158-0971 University of Customs and Finance Purpose. The research is dedicated to examining the potential of data-level parallelism technology for optimizing the efficiency of computational algorithms used in solving systems of linear algebraic equations (SLAE). Design / Method / Approach. The …

Aerospace vehiclesHomogeneous Model in Finite Element Analysis for Natural Frequency Calculation of Axisymmetric Shells

Homogeneous Model in Finite Element Analysis for Natural Frequency Calculation of Axisymmetric Shells

Homogeneous Model in Finite Element Analysis for Natural Frequency Calculation of Axisymmetric Shells Volodymyr Lipovskyi ORCID: https://orcid.org/0000-0002-7939-7973 Oles Honchar Dnipro National University Purpose. The article aims to provide practical recommendations for calculating natural frequencies in axisymmetric shells using finite element methods. It focuses on the need to develop a simplified model that can be used in any modern finite element software package. The study analyzes the impact of the simplified homogeneous model on the deviation and error of natural frequencies …

Innovative Technologies in Mechanical EngineeringApplication of computer-integrated technologies in rocket engine design

Application of computer-integrated technologies in rocket engine design

Application of computer-integrated technologies in rocket engine design Volodymyr Sukachevskyi ORCID: https://orcid.org/0009-0002-5251-6730 Oles Honchar Dnipro National University Vasyl Shevtsov ORCID: https://orcid.org/0009-0000-3617-940X Oles Honchar Dnipro National University Purpose. The purpose of the study is to analyze the accumulated experience in designing rocket engines using computer-integrated technologies, and to identify current areas of development of this issue and tools for solving scientific and practical problems. Design / Method / Approach. The study is based on the analysis of the accumulated experience in …

Information Technology and CybersecurityInternet of Things (IoT) technologies: features, development prospects and potential threats

Internet of Things (IoT) technologies: features, development prospects and potential threats

Internet of Things (IoT) technologies: features, development prospects and potential threats Daria Margaza ORCID: https://orcid.org/0009-0007-3026-7709 State University of Trade and Economics Yurii Yurchenko ORCID: https://orcid.org/0000-0002-8047-7647 State University of Trade and Economics Purpose. The article aims to explore the characteristics, development prospects, and possible threats associated with Internet of Things (IoT) technologies. With IoT rapidly integrating into multiple industries, understanding both its advantages and risks is crucial for future advancements. Design / Method / Approach. This research adopts a conceptual approach, …

Ecology, industrial and environmental safetyAssessment of air pollutants when burning alternative fuels

Assessment of air pollutants when burning alternative fuels

Assessment of air pollutants when burning alternative fuels Olena Levytska ORCID: https://orcid.org/0000-0002-2598-3651 Oles Honchar Dnipro National University Artem Sikorsky ORCID: https://orcid.org/0009-0003-8548-1076 Oles Honchar Dnipro National University Purpose. The aim of the work is to identify potential agricultural waste that can become energy sources, which will significantly reduce the cost of the operation of small and medium-sized boilers and provide cost savings for small and medium-sized businesses. Design / Method / Approach. An analytical review of scientific articles, information from Internet …

Information Technology and CybersecurityPrediction of Network Threats and Attacks by Mathematical Simulation

Prediction of Network Threats and Attacks by Mathematical Simulation

Prediction of Network Threats and Attacks by Mathematical Simulation Daniil Doroshenko ORCID: https://orcid.org/0009-0008-7767-0420 Oles Honchar Dnipro National University Purpose. The purpose of the article is a comprehensive study of modern methods of mathematical modeling of network threats and attacks, as well as studying their effectiveness. Design / Method / Approach. The research uses mathematical methods such as probability theory, game theory, graph models, and statistical approaches to build models that allow to reproduce the dynamics of threats in real networks. The methodology …