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Calculation of Temperature Fields in Multilayer Plates and Shells with Distributed Heat Sources 分布热源下多层板壳温度场的计算
Modeling, Control and Information Technologies Pub Date : 2019-11-06 DOI: 10.31713/mcit.2019.11
N. Smetankina, O. Postnyi
{"title":"Calculation of Temperature Fields in Multilayer Plates and Shells with Distributed Heat Sources","authors":"N. Smetankina, O. Postnyi","doi":"10.31713/mcit.2019.11","DOIUrl":"https://doi.org/10.31713/mcit.2019.11","url":null,"abstract":"The aircraft multilayer glazing is considered as arectangular multilayer plate made up of isotropic layers withconstant thickness. The temperature on the side surface of theplate is zero. Convective heat transfer occurs on outer surfaces ofthe plate; on layers' interfaces film heat sources are arranged.The heat conduction equation for an arbitrary plate layer isreduced to the functional equation. A solution of the functionalequation we search in the form of three space functions product.We get the system of ordinary differential equations. Seriesexpansion factors are determined from a system of linearalgebraic equations. A transform of the required function isfound by the second expansion theorem, and the problemsolution has the form of double trigonometrical series.The comparative analysis of the results is carried out with theresults of other method. The method offered can be used fordesigning a safe multilayer glazing under operational andemergency thermal and force loading in different vehicles.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114298457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Principle of Least Action in Models and Algorithms of Optimisation States Power System 电力系统最优状态模型与算法中的最小作用原理
Modeling, Control and Information Technologies Pub Date : 2019-11-06 DOI: 10.31713/mcit.2019.38
P. Lezhniuk, V. Teptya, V. Komar, O. Rubanenko
{"title":"Principle of Least Action in Models and Algorithms of Optimisation States Power System","authors":"P. Lezhniuk, V. Teptya, V. Komar, O. Rubanenko","doi":"10.31713/mcit.2019.38","DOIUrl":"https://doi.org/10.31713/mcit.2019.38","url":null,"abstract":"The possibility and feasibility of applying the principle of least action (PLA) in the optimal control of the states of the electric power system (EPS) is demonstrated. The loss of active power and electricity was taken as the criterion of optimality. The algorithm for determining the optimal state of the EPS is presented. The peculiarity of it is that, in accordance with the PLA, the ideal state of the EPS is first determined, and then parametric constraints are taken into account. The ideal state of the system is characterized by the lowest possible losses, and taking into account active restrictions on the parameters translates the system to the optimal state. The losses increase depending on the heterogeneity of the system in the optimal state of the EPS.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"365 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122923193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Designing a Low Frequency Delay Line 设计一种低频延迟线
Modeling, Control and Information Technologies Pub Date : 2019-11-06 DOI: 10.31713/mcit.2019.08
T. Shkvarnitskaya, М. Kataieva, V. Kvasnikov
{"title":"Designing a Low Frequency Delay Line","authors":"T. Shkvarnitskaya, М. Kataieva, V. Kvasnikov","doi":"10.31713/mcit.2019.08","DOIUrl":"https://doi.org/10.31713/mcit.2019.08","url":null,"abstract":"Expressions were obtained for the phase characteristic of the delay line with active losses. Linearity of the phase characteristic is estimated. The experimental  results are presented.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126150878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mathematical Modeling of Pollution Transfer in Open Channel 明渠污染转移的数学模型
Modeling, Control and Information Technologies Pub Date : 2019-11-06 DOI: 10.31713/mcit.2019.51
P. Martyniuk, O. Ostapchuk, V. Nalyvaiko
{"title":"Mathematical Modeling of Pollution Transfer in Open Channel","authors":"P. Martyniuk, O. Ostapchuk, V. Nalyvaiko","doi":"10.31713/mcit.2019.51","DOIUrl":"https://doi.org/10.31713/mcit.2019.51","url":null,"abstract":"The problem of pollution transfer by water flow in open channel was considered. The mathematical model of the problem was constructed. The numerical solution of the onedimensional boundary problem was obtained. The computational algorithm for solving the problem was programmed to implement. A series of numerical experiments with their further analysis was conducted.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131431755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Problem of Two Bodies with a Finite Velocity of Gravity 两个具有有限重力速度的物体的问题
Modeling, Control and Information Technologies Pub Date : 2019-11-06 DOI: 10.31713/mcit.2019.14
V. Slyusarchuk
{"title":"The Problem of Two Bodies with a Finite Velocity of Gravity","authors":"V. Slyusarchuk","doi":"10.31713/mcit.2019.14","DOIUrl":"https://doi.org/10.31713/mcit.2019.14","url":null,"abstract":"From the moment of Newton’s discoveryof the law of universal gravitation, ordinary differentialequations were used to study the motion of bodies,since it was assumed that the velocity of gravitationis infinite. However, in reality the velocity of gravityis finite, which is consistent with the theory of relativityof Einstein, which postulated that the velocity ofgravity matches the velocity of light, and the studiesconducted by S. Kopeikin and E. Fomalont on the fundamentallimit of the velocity of gravity. Due to thedelay of the gravitational field for studying the motionof bodies, the mathematical apparatus based on differentialequations with a delay argument is the mostacceptable one. These equations are used to constructand study the mathematical model of the motion of twobodies. It is shown that the motion of these bodies withidentical masses (with finite velocity of gravity!) is notcarried out in accordance with Kepler’s laws.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132075081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling of Heterogeneous Hydrodynamics Processes with Phase Transition 具有相变的非均质流体动力学过程建模
Modeling, Control and Information Technologies Pub Date : 2019-11-06 DOI: 10.31713/mcit.2019.18
G. Sandrakov
{"title":"Modeling of Heterogeneous Hydrodynamics Processes with Phase Transition","authors":"G. Sandrakov","doi":"10.31713/mcit.2019.18","DOIUrl":"https://doi.org/10.31713/mcit.2019.18","url":null,"abstract":"A new mathematical and numerical method of modeling for heterogeneous hydrodynamics processes with take of phase transitions like graphite-diamond will be presented. The method is based on an approximation of conservation laws for masses, momentums, and energies in integral and differential forms. The combination of Harlow's particle-in-cell method and Belotserkovskii's large particles method is used for computing by the modeling method simulation.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126473730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Application of a differential criterion to the study of the convergence of number series 微分判据在数列收敛性研究中的应用
Modeling, Control and Information Technologies Pub Date : 2019-11-06 DOI: 10.31713/mcit.2019.15
L. Slyusarchuk
{"title":"Application of a differential criterion to the study of the convergence of number series","authors":"L. Slyusarchuk","doi":"10.31713/mcit.2019.15","DOIUrl":"https://doi.org/10.31713/mcit.2019.15","url":null,"abstract":"It is shown that most of the number series that are considered in the collection of problems of G. N. Berman in the course of mathematical analysis can be examined for convergence using the differential criterion V. Yu. Slyusarchuk.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121566448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spatial Analogues of Numerical Quasiconformal Mapping Methods for Solving Identification Problems in Anisotropic Media 求解各向异性介质识别问题的数值拟共形映射方法的空间模拟
Modeling, Control and Information Technologies Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.35
M. Boichura, O. Michuta, A. Bomba
{"title":"Spatial Analogues of Numerical Quasiconformal Mapping Methods for Solving Identification Problems in Anisotropic Media","authors":"M. Boichura, O. Michuta, A. Bomba","doi":"10.31713/mcit.2019.35","DOIUrl":"https://doi.org/10.31713/mcit.2019.35","url":null,"abstract":"The approach to solving the gradient problems of image reconstruction of spatial bodies using applied quasipotential tomographic data that is based on numerical complex analysis methods is extended to cases of anisotropic media. Here the distribution of eigen-directions of the conductivity tensor is considered a priori known. We propose to identify the parameters of the corresponding quasiideal stream by the way of minimizing the functional of the sum of squares of residuals which constructed using differential equations in partial derivatives that relate the quasipotential of velocity and the spatially quasicomplex conjugated stream functions","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122114545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Research of a computer model of a synchronous hydroelectric generator 同步水轮发电机计算机模型的研究
Modeling, Control and Information Technologies Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.66
S. Stets, A. Stets
{"title":"Research of a computer model of a synchronous hydroelectric generator","authors":"S. Stets, A. Stets","doi":"10.31713/mcit.2019.66","DOIUrl":"https://doi.org/10.31713/mcit.2019.66","url":null,"abstract":"The proposed computer model allows us to investigate the operation of the generator in normal and emergency modes, under dedicated load, or as part of a power system. The model allows to obtain graphs of instantaneous values ​​of currents, voltages, generator speed, active power.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122168082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation and Programming of an Industrial Robot Based on Augmented Reality 基于增强现实的工业机器人仿真与编程
Modeling, Control and Information Technologies Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.59
Vitalii Kutia, Filip Lukasz Ruchel, Krzysztof Chrapek
{"title":"Simulation and Programming of an Industrial Robot Based on Augmented Reality","authors":"Vitalii Kutia, Filip Lukasz Ruchel, Krzysztof Chrapek","doi":"10.31713/mcit.2019.59","DOIUrl":"https://doi.org/10.31713/mcit.2019.59","url":null,"abstract":"This work is devoted to design, development and practical implementation of an AR application for simulation and programming of an industrial robot basic movements. The process of the AR-based application for mobile devices is briefly described to show the advantages and scalability of the proposed concept.","PeriodicalId":275585,"journal":{"name":"Modeling, Control and Information Technologies","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115891476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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