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Olena Cherniak, Nataliia Sorocolat, Iryna Kanytska
Pág. 169 - 175
The subject of research in the article is a method for determining a complex quality indicator of qualimetry objects that have quality indicators with different units of measurement. The purpose of the work is proposing a method for determining a complex...
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Xin Shi, Pengfei Chen and Linying Chen
Due to the influence of the natural environment, it is very challenging to control the movement of ships to navigate safely and avoid potential risks induced by external environmental factors, especially for the development of autonomous ships in inland ...
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Hui Deng, Zhihong Zhang, Wenbin Yi and Weixue Xia
A ship advancing in restricted waters may cause a change in the surrounding velocity field, which in turn results in the hydrodynamic pressure field according to the variations in the ship speed. Accurate prediction of ship hydrodynamic pressure fields i...
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Mikhail Koroteev, Ekaterina Romanova, Dmitriy Korovin, Vasiliy Shevtsov, Vadim Feklin, Petr Nikitin, Sergey Makrushin and Konstantin V. Bublikov
The problem evaluated in this study is related to the optimization of a budget of an industrial enterprise using simulation methods of the production process. Our goal is to offer a universal and straightforward methodology for simulating a production bu...
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V. V. Suglobov,K. V. Tkachuk
Pág. 156 - 166
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Yu. M. Hermaniuk
Pág. 26 - 31
The article describes the basic problems of organization of international transit transportations. A statistical analysis of wagon delays at border stations has been done. Also some conclusions on the necessity of developing a mathematical model of pushi...
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A. V. Radkevych,T. V. Tkach
Pág. 133 - 136
The mathematical method of solving the tasks on a percent increase that shows and provides the effectiveness of organization development, the determination of optimum variant of current and perspective enterprise development, the reduction of terms for p...
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Yu. S. Barash,A. A. Bosov,H. M. Kirpa
Pág. 36 - 48
A mathematical model and optimization method, allowing to establish rational sequence of investment at introduction of high-speed train services inUkraine, have been proposed.
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M. Mohamed, S. M. Mabrouk and A. S. Rashed
In recent times, the global community has been faced with the unprecedented challenge of the coronavirus disease (COVID-19) pandemic, which has had a profound and enduring impact on both global health and the global economy. The utilization of mathematic...
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Olena Monchenko,Yelyzaveta Kutniak,Hanna Martyniuk,Nadiia Marchenko
Pág. 72 - 79
A universal mathematical model of a noise signal in pipeline systems from the point of its origin to the observation point was presented. Due to the indicator function introduced into it, the model makes it possible to use different types of components a...
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Laura Trautmann, Attila Piros
Pág. 44 - 51
The specialty of the patterns is that they are present in many disciplines, even our world is organized by them. The application of a regular structure in the field of product design may also open new possibilities. An automatized pattern can b...
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Kyrylo Kamieniev,Alla Kamienieva,Mykola Tsymbal
Pág. 20 - 27
Compiling a load plan for a containership, which takes into account the maximum number of factors, requires consideration of the structural constraints for containers and a vessel, restrictions on placement, as well as segregation rules for cases of dang...
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Boris Melnikov,Tatyana Zubova
Pág. 9 - 15
The paper proposes an approach to the formulation of optimization tasks designed to model the organization?s management of value guidelines. In our approach, the development of a conceptual scheme presupposes: the formation of a list of values and their ...
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S. Yu. Buryak
Pág. 172 - 175
The method of mathematical modeling of switch eclectic drive in the system MATLAB + Simulink is presented.
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V. S. Andrieiev,O. L. Tiutkin,T. O. Selikhova
Pág. 183 - 187
The article considers the issues of mathematical modelling of behaviour the outside-of-the-centre loaded basements, resting on multi-layer beds. It has been shown that application of the finite elements method forcalculation of such basements allows to g...
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Wenlian Liu, Hanhua Xu, Sugang Sui, Ze Li, Xiaoyan Zhang and Pu Peng
The bearing capacity of a non-persistent jointed rock mass containing a rock bridge is investigated by combining the lower bound limit analysis theory, a mixed numerical discrete method, and linear mathematical programming. A mixed numerical discrete met...
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Vladimir Beskorovainyi, Antonii Sudik
Pág. 23 - 31
The subject of research in the article is the topological structures of closed logistics networks. The purpose of the work is to create a mathematical model and methods for solving problems of optimization of topological structures of centralized logisti...
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Dmytro Mykhalevskiy
Pág. 26 - 35
A method of estimating the effective data rate in channels of the Standard 802.11 was proposed. It provides for the measurement of the main energy parameter using the software and hardware of the subscriber device. This method is based on the empirical m...
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Isa Vural, Halil Kabaca and Semiha Poyraz
Determining the ultimate bearing capacity of piled foundations has been one of the most important problems in geotechnical engineering. It has been observed that the pile loading test evaluation methods based on the mathematical model give values far awa...
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