Computer simulation of power supply and control subsystems of solar electrically powered propulsion system using the elektroanalogy method
Results of computer simulation of power supply and control subsystem of solar electrically powered propulsion system and creating simulation models using the elektroanalogy method are represented.
solar electrically powered propulsion system, power supply ...
Development of simulation model of manufacturing process of the electro-pneumatic valve control unit
The paper considers the development of a simulation model of the valve production process of the electro-pneumatic control unit in AnyLogic environment. The model is designed to find downtime in production operations. The work of three structures involved in the production of the considered ...
Simulator of electro-dynamic characteristics thrust module
A variant of designing simulator of SPT electro-dynamic and static forces is considered. The structural diagram of the simulator, which is being modeled, including the description of the preliminary purpose of its functional units is presented. The methodical issues of evaluation ...
Simulation modeling of the automated climate control system for growing plants in closed ground
The results of simulation modeling of the automated climate control system for growing plants in closed ground are discussed. Obtained results show the consistent interaction of its all main modules. The presented model is designed both for the designing of the ...
Development of electric road transport: simulation modelling
... leading economic regions, including countries of the Baltic Sea region, shows that electric transport can potentially substitute traditional transport technologies. Based on an authentic model of system dynamics, the authors propose a new approach to simulation modelling of the dissemination of electric vehicles in a given region. The proposed model allows the authors to take into account the key systemic feedback loops between the pool of electric vehicles and the charging infrastructure. In the ...
The Simulation Modelling of a Hotel Facility
This study aims to identify the features of the simulation modelling of a hospitality business. Such simulations can be used to increase the efficiency of property management in view of the major trends in the relevant segments of the tourism industry. We suggest an approach to the simulation modelling ...
Simulation technique in the mathematical theory of learning
Further development of theoretical pedagogy and the theory of learning is closely connected to the use of mathematical and digital techniques in learning process simulations. This article explores formal methods for studying a didactic system as well as difficulties in employing them. The author describes key stages of simulation development and presents a simulation of unrelated study material elements (using ...
The check of electromagnetic compability of the propulsion system with the electrodynamic simulator of the thrust module
The noise nature of discharge current oscillations of the stationary plasma thruster has been revealed. The maximal level of generated low-frequency conducted interferences in all the modes of the electro-dynamic thrust module simulator operation has been determined.
1. Яковлев Е. А. Испытания космических электроракетных двигательных установок. М., 1981.
2. Лесневский В. А., Румянцев А....
A simulation nonstationary processes shock synthesis
The related processes of defining factors of ultrafast physical and chemical transformations of reactive powder systems at the front of the shock puls are investigated by computer simulation methods.
Лейцин В. Н., Дмитриева М. А., Колмакова Т. В. и др.
Моделирование физико-химических процессов в реагирующих порошковых материалах ...
Computing experiment for simulating altitude-latitude distributions of ionospheric parameters
A mixed derivatives influence in during three-dimensional simulation of ionosphere by difference methods is considered.
Ишанов С. А., Клевцур С. В.
Математическое моделирование ионосферы с учетом ее трехмерной неоднородности ...
Set of algorithms for constructing university timetable – part 1: system of evaluating timetable quality based on fuzzy logic and features of algorithm for searching an optimal timetable
... the constraints. The system based on a series of intelligible rules and use the algorithms of fuzzy logic for getting the final evaluation of timetabling was created. An algorithm for searching a set of Pareto optimal timetables based on the Pareto simulated annealing algorithm is constructed.
Рутковская Д., Пилиньский М., Рутковский Л.
Нейронные сети, генетические алгоритмы и нечеткие системы. М., 2004. ...
Diagnosis and hardware fault simulation of industry
Results of the early establishment of a system fault diagnosis equipment and principle of operation of the hardware simulation tools such faults.
Kalinina E., Nesterov S., Tolstel’ O.
early diagnosis, fuzzy inference, fuzzy clustering, industrial controllers, mnemonic process technology
Ways to optimize the characteristics of active synthesizers frequency
... Delivery: A Practioner's Guide to Agile Software Delivery in the Enterprise. URL:
. pearsoncmg.com/images/9780132810135/samplepages/0132810131.pdf (дата обращения: 22.05.2018).
17. NASA-STD-7009. Standard for Models and Simulations. 2013.
18. Об утверждении федеральных авиационных правил «Подготовка и выполнение полетов в гражданской авиации Российской Федерации» ...
Simulation of ion distribution near charged satellite by molecular dynamics simulation method. 2D approximation
Mathematical model of interaction between low density thermal plasma with charged simple shape space probe was considered. Molecular dynamics simulation method was used. Modeling result shows a positive cloud of protons before the satellite and ion shadow behind it.
1. Гальпеpин Ю. И., Гpигоpьев С. А., Зинин Л. В. и др. Расчеты распределения ...
Search algorithms for an extremum in the maximum likelihood method
This article presents a comparative evaluation of steepest descent and simulated annealing for the minimization of the likelihood functional for solving the problem of the resolution of two radio pulses on time by maximum likelihood method. The combined algorithm, which allows increasing of the computation performance, wa
The computer simulation of tsunami wave breaking against a steep shore
This article offers a computer simulation for incompressible stratified fluid based on Euler’s equations. The ocean and the atmosphere above it are considered as an integral continuous environment. At the water-air surface, the density changes abruptly from ρ = ρwater = 1000 kg/m3 ...
A simulation of processes in reactive powder compacting mixture such as Zr–B
A simulation of physical and chemical processes in reactive powder compacting materials such as Zr–B is considered. For many parametric studies related to physical and chemical processes an algorithm for distributed computations on a multiprocessor computer ...
Structural features of upwelling in South-East Baltic
The article examines some features of the upwelling observed in the South-East Baltic in October 2005 which were investigated by
means of comparison of the field measurement data and numerical simulated data. The article explores the upwelling which took place after calm weather when thermohaline fields had parameters close to summer ones. Upwelling was produced by North-East wind with sped of about 15 m/s and duration of about 3 days. After ...
Numerical solution of elastic-acoustic problems with the help of grid-characteristic method
Wave processes in elastic-acoustic problems are simulated with the help of grid-characteristic method, in particular, for the offshore seismic prospecting. We consider systems of water-soil-hydrocarbon-bearing layer and ice-water-soil-hydrocarbon-bearing layer
1. Etter P. C. Underwater acoustic modelling ...
Computer simulation of synthesis processes in NiO—Al system
Features of physical and chemical conversions in the reacting powder system NiO-Al were investigated by computer simulation methods.. Multivariability of the synthesis of nickel aluminides in powder systems with varying degrees of concentration inhomogeneity is taken into account. The estimates of the state parameters of reacting system at all stages of physical ...
Numerical simulation of wave processes in elastic-acoustic problems using discontinuous Galerkin method on triangle unstructured meshes
Wave propagation through coupled elastic-acoustic media for marine seismology, comparison of reflected waves in fluid-filled and infinite thin crack model and underwater objects detection are simulated using discontinuous Galerkin method on triangle unstructured meshes.
1. Ландау Л. Д., Лифшиц Е. М. Теоретическая физика. М., 1987. Т. 7.
2. Käser M., Dumbser M. Highly. Accurate discontinuous Galerkin ...
Simulation modelling in analysing human trafficking crimes
This article considers specific features of the situational approach to simulating criminal activities relating to human trafficking. The author describes the structure and content of certain elements of a typical information model of human-trafficking crimes.
1. Смирнов Г. К. Методика расследования ...
A simulation of technical support system objects of the regional electrotechnical complex
The paper discusses the stages of simulation of large infrastructure projects on the basis of the aggregate method. It is proved that the different stages of the life-cycle units is best modeled using different approaches. In addition, in order to implement energy-saving technologies ...
Mathematical modeling of synthesis technologies of powder materials for the space robotics
... of the main theoretical models of spark plasma sintering (SPS) is given. The experience of the use of numerical modeling by the finite element method (FEM) using specialized software for the study of SPS is examined. Goals and objectives of numerical simulation of the process are formulated. The main shortcomings and limitations of known methods of modeling are outlined.
1. Suárez M., Fernández A., Menéndez J. L. et al. Challenges and Opportunities for Spark Plasma Sintering: A Key Technology ...
Joint modeling of elastic and acoustic waves in the Arctic
... the state elastic body and a system of equations describing the acoustic field are solved using grid-characteristic method, the contact condition between the liquid and the solid is used on the border
1. Etter P. C. Underwater acoustic modelling and simulation. L., 2003.
2. Новиков Ю. Н., Гажула С. В. Особенности оценки месторождений углеводородного сырья арктического шельфа России и их переоценки ...
Effect of change in density of compact and spongy bone tissue on the stress and strain state of the bone model samples
... Калининград, 2004.
2. Dagan D., Béery M., Gefen A. Single-trabecula building block for large-scale finite element models of cancellous bone // Medical & Biological Engineering & Computing. 2004. Vol. 42. P. 549—556.
3. Hernandez C. J. Simulation of bone remodeling during the development and treatment of osteoporosis. PhD Thesis. Stanford University, 2001.
Computer simulation, bone tissue, stress and strain state
Multichannel hybrid atmospheric optical communication system
The possibility of application of the newly developed multi-channel hybrid atmospheric optical communication system, which allows to increase the capacity, performance, reliability and efficiency of the communication channel. A well constructed simulations of the developed system.
1. Aljunid S. A., Ismail M. F., Ramil A. R. A New Family of Optical Code Sequence for Spectral-Amplitude-coding optical CDMA systems // IEEE Photonies Technology Letters. 2009. Vol. 16. P. 1383—2385.
2. Hasoon ...
Numerical simulation of wave processes in multilayered materials at dynamic external influence
The collision of polymer composite parts with a steel hammer is simulated using grid-characteristic method. To verify the method a comparison with analytics for distribution of spherical explosion in a homogeneous medium is given. The potential fracture zones in composite parts are analyzed.
1. Новацкий В....
Some results of simulation of driving-robot control system
Concept of mobile automotive object control system, based on skills extraction
and fuzzy logic is described. Virtual model of vehicle, created in specialized simulation environment is described. Parking phase and achieved results are considered.
1. Толстель О. В., Арзуметов А. М. Патент на полезную модель «Автономное адаптивное устройство ...
Generation of records by means of the rejection method
... Wiley & Sons. N. Y., 1998.
3. Bairamov I., Stepanov A. Numbers of near bivariate record-concomitant observations // Journal of Multivariate Analysis. 2011. № 102. P. 908—917.
4. Balakrishnan N., So H. Y., Zhu X. J. On Box-Muller Transformation and Simulation of Normal Record Data // Communication in Statistics-Simulation and Computations. 016 (в печати).
5. Chandler K. N. The distribution and frequency of record values // J. Royal Statist. Soc. 1952. Ser. B, 14. P. 220—228.
6. Luckett ...
Dynamical anthropogenic perturbations of ionosphere-magnetospheric plasma
A simulation of dynamical anthropogenic perturbations of ionosphere-magnetospheric plasma, in particular a moving of ions O+ and H+ is considered.
Латышев К. С., Зинин Л. В., Ишанов С. А.
Математическое моделирование ...
Modeling of the cathode thermal conditions
This article provides results of the cathode of stationary plasma engine thermal vacuum test with various operating modes simulated, a thermal calculation and the cathode thermal mathematical model verification. Based on the calculations, the cathode thermal model and operating performances were assessed, the most efficient required cathode life time characteristics were ...
Method for Calculating the Optimal Configuration of a Wind Generator
... wind turbines with horizontal rotation axis are described. Reviewed theoretical materials allowed to develop calculation method of wind turbine parameters and gearbox parameters for performing nominal output power with normal operation conditions. Simulation of wind generator in MATLAB software confirmed efficiency of proposed calculation method.
1. Luo N., Vidal Y., Acho L. Wind Turbine Control and Monitoring. Springer, 2014.
2. Герман-Галкин С. Г., Кардонов Г. А. Электрические ...
An instability of the equatorial F-layer of the ionosphere under conditions of alternating electric fields
The results of numerical simulation of Rayleigh-Taylor instability under conditions of alternating electric fields on the basis of electrodynamically consistent mathematical model of the Equatorial F-layer of the ionosphere.
1. Грэд Г. О кинетической теории ...
A high resolution model of the equatorial F-layer of ionosphere
This article formulates the problem of simulating extreme processes in the Earth's low-latitude ionosphere and describes the model equation imple-mentation methods based on an electrodynamically coherent mathematical mo-del of the equatorial F-layer of the ionosphere.
1. Доронина ...
The The Variability of Bottom Friction Velocity and the Suspended Particle Propagation along the Pathway of Saline Inflow into the Baltic Sea
A numerical simulation of the Baltic Sea circulation was carried out for two time intervals corresponding to the inflow and non-inflow cases. For these time intervals, I identified processes prevalent in the bottom layer dynamics at specific points on the pathway ...
Practical classes in mathematics as a means to develop the research competence in students of technical universities
... requirements of relevant federal state educational standards. The authors focus on the preparedness of future engineers to conduct technical experiments, whose important component is the mathematical processing of experimental data and performance of simulation experiments. It is proposed to develop such skills during practical classes in mathematics considered as a means to develop research competences.
1. Артищева Е. К., Синицына Т.В. Коррекция знаний обучающихся ...
Numerical simulation of the ionospheric effects of geomagnetic storm on 2—3 may 2010 at the HF radio wave propagation in the low-latitude region
For the first time we used a global three-dimensional theoretical model of the thermosphere-ionosphere system for the description of inhomogeneous anisotropic medium in the simulation of radio wave propagation. It is shown that the results obtained with joint using GSM TIP model and radio wave propagation model adequately describe HF radio paths in the Earth's ionosphere in quiet conditions and at the recovery phase of geomagnetic ...
Numerical model of development processes of small-scaled irregularities of the equatorial ionosphere
A numerical model of equatorial F-layer of ionosphere on simulating of ionosphere irregularities with object scale from 1 km during to the instability development is constructed.
1. Ossakow S. L. Spread F theories: a review. J. Atmos. Solar-Terr. Phys. 1981. Vol. 43. P. 437.
2. Кащенко Н. М., Мациевский ...
Application of means of modelling of environment Simulink in problems of the analysis of quality of systems of regulation
Presented the results of the synthesis and analysis of the system of temperature control for the camera kiln electrode products. By using Simulink held simulation of control systems with man — operator, with a parametrically оптимизируемым regulator and neuron network predictor controller. Defined indicators of the quality of the transient processes camera kiln for different variants ...
Role visual models of the functional hybrid intelligent system with the heterogeneous visual field
... intelligent system that is artificial collective intelligence. The proposed models are the basis for visual modeling of hybrid intelligent systems that dynamically synthesize an integrated model and method over heterogeneous model and visual fields and simulate the cooperation, relativity and complementarity of collective intelligence for finding solutions on verbal-symbolic and visual-shaped languages.
1. Колесников А. В., Листопад С. В. Визуальное управление: ...
Simulating of non-stationary processes in the ionospheric plasma
... scheme of magneto gas dynamics for high performance computing systems // Russian Journal of Numerical Analysis and Mathematical Modeling. 2015. 30(1). P. 27—36.
Bogomolov K., Ishanov S., Kashchenko N., Matsievsky S.
mathematical model, numerical simulating, ionosphere, plasmasphere, concentration, velocity, temperature, chemical kinetics, ambipolar diffusion, energy equation, continuity equation, motion equation, hydrodynamic description, diffusive approach
Stand for simulation of weather-heat points on several parameters
Results of the control unit of the individual weather-thermal point of an apartment building and stand the test of this unit are presented.
Nesterov S., Petrov S., Tolstel’ O., Churilov A
fuzzy controller, mix with the coolant in thermoregulation facade elements of the hydraulic circuit, the control unit
A model of mid-scale irregularities of the low-latitude Earth ionosphere : evaluations of a non-linear correction method for the Z-scheme
... № 2. С. 385—393.
7. Huba J. D., Joyce G., Krall J. Three-dimensional modeling of equatorial spread F / Aeronomy of the Earth's atmosphere and ionosphere. IAGA Special Sopron Book Series. 2011. Vol. 2. P. 211—218.
8. Krall J., Huba J. D. SAMI3 simulation of plasmasphere refilling // Geophys. res. lett. 2013. Vol. 40. P. 2484—488.
9. Hedin A. E., Salah J. E., Evans J. V. et al. A global thermospheric model based on mass spectrometer and incoherent scatter data MSIS 1. N2 density and temperature ...
Application of the mathematical modelling and simulation methods to the study of didactic systems
... Программные продукты и системы. 2008. № 3. С. 97—102.
14. Шеннон Р. Имитационное моделирование систем: искусство и наука. М., 1978.
15. Mayer R. V. Computer-Assisted Simulation Methods of Learning Process // European Journal of Contemporary Education. 2015. Vol. 13, iss. 3. Р. 198—212. doi: 10.13187/ejced.2015.13.198.
16. Mayer R. V. Imitating model of assimilation and forgetting of the logically connected information ...
Development tools of functional hybrid intelligent systems with heterogeneous visual field
The article presents the architecture, basic elements and implementation of the prototype of the tool for the development of functional hybrid intelligent systems with a heterogeneous visual field. Such systems are capable of simultaneously simulating collective verbal-symbolic reasoning and activating the visual-figurative reasoning of users. The use of such systems in the practice of solving problems, in particular when managing regional electric networks, will allow users ...
Results of simulating of instabilities of the equatorial F-layer of the ionosphere
. 30, №
Chen J., Satyanarayana P., Ossakow S. L.
The morphology of a multi-bubble system in the ionosphere // J. Geophys. Res
Matsievsky S., Zinin L.
simulation, ionosphere, instability.
Simulating of ion and electron trajectories in thermal plasma in electric field of a satellite by the molecular dynamic method
... плазмы. М., 2010.
8. Katz I., Mandell M. L. Differential charging of high-voltage spacecraft: The equilibrium potential of insulated surfaces // J. Geophys. Res. 1982. Vol. 87. P. 5433.
9. Katz I., Stannart P. R., Gedeon L. et al. NASCAP simulations of spacecraft charging of the SCATHA satellite // Spacecraft/plasma interactions and their influence on field and particle measurements. Proceeding of the 17th ESLAB symposium. Noordwijk. The Netherlands. 13–16 Sept., 1983. ESA SP-198. P....
Processes of transfer of moisture in porous medium
... свойства горных пород. М., 1997. С. 271.
Иксанов Р. Г.
Задача Стефана о впитывании влаги в почву: сб. науч. тр. МГУП. М., 2004. С. 155—160.
Kashchenko N. M.
simulation, moisture potential, transfer of moisture, capillary.
An assessment of the role of green belts in creating comfortable microclimatic conditions in summer
... overheating in summer. In this article, we stress the significance of green spaces as a principal factor in reducing the overheating of urban surfaces. We analyse a high-rise residential area in the left-bank part of the city of Voronezh to perform a simulation of microclimatic conditions in summer. The following parameters were used as background climatic conditions: the day of the summer solstice, cloudless and calm weather, air temperature 25° C. We assessed the level of thermal comfort in the ...