Receiving adequate mathematical model requires studying of streams of inquiries into the information system which are described as random variables. The purpose of the analysis is definition of density function of distribution of random variables - time intervals between inquiries of users. The offered method contains stages at which check of independence and similarity of distribution of random variables is carried out, stationarities of a stream and the law of distribution of intervals of time between events is defined. For check of independence and similarity of distribution of random variables the criterias based on selective coefficients of correlation and the criteria which are based on the spectral density of intervals are used. For the analysis of stationarity of a stream of inquiries the standard methods of the smallest square regression and methods based on the analysis of special mathematical models are used. For example, Poisson's stream which parameter changes under some law is supposed. Sequences of the events displaced by casual influences are presented as the events happening according to the schedule with delays in the form of the independent and equally distributed random variables. For comparison of intensity of streams of inquiries from various users of information system the criterion based on the relation of function of maximum similarity and an index of dispersion is used. The offered technique is focused on using of the modern computer programs, for example, MatLab, Statistika.
Keywords: Modeling, inquiry, distribution, random variable, flow of events, intensity, statistical analysis, criterion, stationarity of the Poisson process, the level of significance
In this article the social health of the student youth as a social phenomenon is considered in the context of the theory of structural marginality. The author describes and explains the condition of the marginalized status of the student youth of the South of Russia. Social health of the student youth of the South of Russia is a reflection of the degree of her marginal position in society.
Keywords: Social health, Russian student youth, structural marginality, status, social value, satisfaction with life, the South of Russia
It is shown that one of the most important elements influencing the nature of development in the region is socio-ethno-cultural landscape. The study of its characteristics suggests a wide use of methods of social simulation. The purpose of modeling is to estimate the required parameters in conditions of uncertainty, both at the planning stage and during the current administration. Theoretical solutions to this challenge are based on the use of the principle of duality, when the production and analysis of missing information about a managed object, in our case about socio-ethno-cultural landscape, the system is in the process of governance. The duality of the models appears in their dual role as research (for monitoring characteristics of socio-ethno-cultural landscape and, at the same time as the reference models for the management of development in the region. Need of approbation and problem integration of methods of the system analysis, social diagnostics and social and mathematical modeling which will make new scientific methodology of research is shown. To solve the problem of this level is proposed for effective convergence of methodological knowledge in the use of total potential informational, cognitive, and socio-humanitarian technologies.
Keywords: dsimulation, dual simulation, socio-ethno-cultural landscape, managing the development of the region
In this paper, the technology of process simulation shooting remote sensing the Earth's surface in the optical spectrum of the radiation on the software and hardware complex. With his help, describe and forecast the qualitative characteristics of shooting in the simulation with high resolution linear assessment on the ground.
Keywords: remote sensing of the Earth's surface, software and hardware, virtual ground, the speed of movement of the image, panchromatic imagery, multispectral imagery, linear ground resolution
In this article methods and tools for simulation of systems of remote sounding of the Earth's surface from space in the optical range of the radiation spectrum to optimize its structure and functional properties. The structure of complex information-measuring system of remote sensing to explore the experimental field through very difficult and very expensive in connection with the combination of various physical and technological processes occurring in it. The exit lies in the total use of natural and mathematical modeling with the use of modern IT-technologies, as the establishment phase and during the operational phase, with the aim of improving methods and design tools, as well as better control of equipment settings for advanced space systems (the free spectral range of physical intensity, linear resolution of the terrain and the performance of the system itself).
Keywords: remote sensing of the Earth's surface, space system, the system receiving and converting the information lens, an optical reception system, the underlying surface of the Earth, remote sensing, linear ground resolution
The article discusses problems of hope and the relation to life of representatives of technical specialties. Approaches to studying of hope as sociocultural and social-psychological phenomenon are briefly described. It is noted that the hope is the metavalue of human life. Authors emphasize that the fulfillment of vital events of any modality, both positive, and negative, leads to change of expressiveness of hope. In article on the basis of empirical data features of hope and the relation of experts of a technical profile to various stages of the life are analyzed.
Keywords: hope, spheres of hope, life satisfaction, relation to life, life events
The article discusses the optimization of transport costs and storage costs of wood biomass using mathematical modeling methods. The considered mathematical models allow to optimize transport costs by building the most efficient routes closed.
Keywords: transport timber, storage timber biomass, mathematical models, optimization
This paper investigates the possibility of finding normative solutions in the process of mathematical modeling of systems of a heat supply (STS). Theorems are formulated and conditions for the reachability of the stationary and regulatory regimes of Autonomous and centralized heat supply systems. Formulated search order normative solutions STS.
Keywords: stationary regime, regulatory regime, system of linear ordinary differential equations, controlling the heat supply, equivalenting of systems of a heat supply, control of the source of thermal energy
The possibility of recycling waste product obtained in the process of oil drilling, at the facilities of JSC "Orenburgneft" in the manufacture of products of building ceramics. Dobropolye investigated the properties of the original raw material is drilling cuttings and clay deposits Buzuluk, Dobropolye firing properties of the products on the basis of the three-component mixture. The research is aimed at recycling and disposal and recycling of drill cuttings that will significantly improve the environmental situation and will create a reserve of cheap raw materials for production of ceramic building materials.
Keywords: Drill cuttings as a source of raw materials for production building ceramics plastic molding
Excessive glass area , as well as the orientation of the plane of the lights on the horizon , particularly in the southern regions with hot and dry climate with plenty of clear and cloudy days in a year , helps increase the flow of heat into the room in the summer and extreme cold in winter, which causes additional ex- pluatatsionnye the cost of ventilation and heating of buildings . This article discusses issues related to the selection and design of optimal systems ceiling light industrial buildings to meet specific CCA - tures of the light climate in the southern regions .
Keywords: Overheating of the premises , thermal radiation, overlap , Shed lights , skylights , maximum temperature , environment settings , the heat transfer coefficient , the scattered radiation , relative humidity
The analysis of design decisions on the construction of a retaining wall embankment intended to unload the rock mass of dump trucks in the hopper of the crusher. The stress-strain state of defense structures and the soil mass in order to select the optimal technical solutions unit retaining wall. The distribution of stresses in the concrete structures and subgrade. The application of handling screens with anchor-Injector for sustainability and strengthening the walls of the mound.
Keywords: Embankment, cladding structure, retaining wall, designing, finite elements method, subfoundation, subjecting to stress, strains
A game-theoretic dynamic model of social partnership in the system of continuing professional education is proposed and investigated in the simulation mode on the base of scenario method. The processing of modeling data includes a comparative analysis of state variable and payoff functionals. Results of the model identification and investigation based on simulation modeling are considered. A comparative analysis of egoistic and cooperative approaches to the social partnership is conducted.
Keywords: social partnership, continuing professional education, simulation modeling, identification, difference games
This article describes how the use of software and hardware complex for automating condition monitoring for example livneotvodyaschih facilities. Livneotvodyaschie facilities have a large margin, but a number of negative factors, such as non-compliance with construction technology, defect geological and hydrological features of water conveyance canal route in the design, as well as the wrong mode of operation for the duration of the channel to some extent reduces the effectiveness of permeable properties of concrete canal lining. The problem of long-term operation of such facilities is little scrutiny of the processes for its time, in connection with which there is a need for monitoring of providence water resistance of such structures in case of possible violations of the integrity of the concrete pavement and education, various decompression and voids. With it you can make out the different parameters of defects and damages, as well as the calculation of the projected period of residual life of their elements, and geometrical parameters of each defect, namely - the location, depth, width, height, and operational evaluation of the residual resource, namely - forecasting the total number of cycles of freezing and thawing as passed for the period of operation, and the remaining to the loss of the bearing capacity of reinforced concrete elements water conveyance facilities.
Keywords: monitoring, automation, carrying water facilities, livneotvodyaschie facilities, software and hardware, reinforced concrete, technical condition
The article presents the results of an experimental research on the effect of the pulsating mode a capacitive heat exchanger with an active pipe part on the convective processes heated fluid. Described dignity capacitive heat exchangers. The research was conducted using a thermal imaging surveys. Compares two modes: stationary and pulsating. The method of experimental data processing, based on the analysis of fluid layers. A regression analysis allows to determine the dependence of the relative distribution of the temperature difference between the layers of fluid in the studied mode. The obtained regression equations were presented in the form of an exponential function and harmonic. The effect of pulsing regime on the process of convection in the upper quarter of the heating zone in a capacitive heat exchanger. The study showed the advantage of the capacitive heat exchanger with an active pipe part is often compared with the classical heat exchanger in part the speed of convective processes in the fluid to be heated.
Keywords: capacitive heat exchanger with an active pipe part, pulse heating system, convective process
The application of the fire-retardant heat-insulating coatings the application of light fillers is considered the effective method of fire protection of structures. Work is dedicated to the development of the new effective cement fire-retardant and high-temperature (oxidation-resistant) vermikulitobetonnykh composites with the use of ashes and pumice. It is revealed, that the application of construction gypsum and lime as the agent of the concealed hydraulic activity of pumice it made it possible to considerably reduce the expenditure of cement without reduction in the strength of fire-retardant composite. By wood by that saponified 0,1- 0,3% of the mass of cement the expenditure of water for the mixture is reduced during the introduction of resin, the density of vermikulitobetona decreases by 40-50 kg/m3. Is investigated the influence of the parameters of fiber reinforcement by basaltic fibers on the properties of vermikulitobetona. Are revealed the high fire-retardant properties of the developed fibrovermikulitobetonnykh composites. It is established that the addition of the volcanic pumice of the fraction d< of 0,16 ppm 30% of the mass of cement significantly increases the high-temperature (oxidation-resistant) properties of concrete block with a simultaneous increase in the bending strength and without noticeable reduction in the compressive strength. The replacement of the part of the volcanic pumice by the distended vermiculite makes it possible to reduce the average density of the vermikulitobetonnogo composite and to increase their high-temperature (oxidation-resistant) properties.
Keywords: portland cement, construction gypsum, lime, pumice, volcanic pumice, the distended vermiculite, basaltic fiber, resin wood saponified, the vermikulitobetonnyy composite, high-temperature (oxidation-resistant) properties, the limit of fire resistance, the