Vol 10, No 4 (2010)
PHYSICAL AND MATHEMATICAL SCIENCES
447-454 343
Abstract
Asymptotic solutions are derived for two new theory elasticity problems with mixed boundary conditions. The first problem is about a shear crack in a strip for different types of boundary conditions on the outer faces of the strip. The second one is the contact problem for a three-dimensional wedge when a concentrated force is acting outside the contact domain on the wedge edge for sliding support on the other wedge face.
455-465 365
Abstract
Non-stationary signals of biogenic character (cardiogram, eleсtroencephalogram, etc.) are considered. Analysis of signals with the use of wavelet-transform and Prony method - which unlike classical Fourier method make an improved spectral evaluation - is applied.
466-473 446
Abstract
Hand in hand with the integration increase of the up-to-date radio electronic equipment (REE) there grows substantially its design complexity, which is associated with an increase in the dimension of the problems solved in the development process. The application of SAD SolidWorks is an effective way to solve this problem. The problem of calculating the parameters of the radiator cooling for continuous operation of one of the elements of REE is solved with the help of this system.
TECHNICAL SCIENCES
THE ALGORITHMIC APPROACH TO IMPROVEMENT OF WORK GENETIC ALGORITHM IN THE HOMOGENEOUS MINIMAX PROBLEM
474-479 391
Abstract
The given work states an estimation to two updatings of genetic algorithm which give decisions very close to optimum, for polynom time. Both these of algorithm, lead, finally, to the decision of a two-instrument minimax problem, however on various computing ways.
480-486 323
Abstract
Optimal correlation between polymer and metal-ceramic areas in the friction zone is established for the developed construction of polymer-powdered bearings with a combined working surface that can hold the grease contained in the metal matrix pores.
487-491 345
Abstract
Experimental optimization of convergence rate of the genetic approximation algorithm accomplished with the application of the specialized scientific design of experiments software tools is described.
492-499 333
Abstract
The method of attack the research problems of the multiextremal dependencies in order to find several extremes simultaneously is described. It concerns both the problems of determining several equisignificant global extrema, and the problems of allocation, apart with the global, of the most significant local extrema. The efficiency of the modified particle swarm method for such tasks is shown.
500-508 479
Abstract
Algorithmic and program implementation of modeling of the technological objects distributed systems is considered. The technology of hierarchic class structure development agreed upon multiple inheritance in C++ is offered for software authoring. Research of the given software tool when modeling standard simulation models is described.
509-519 303
Abstract
An original improvement of modern information models of conventional engine is proposed. Within the model all internal as well as external processes related to engine are integrated to a general system. Additional procedure to simulate nitric oxide kinetics in a combustion chamber is elaborated. The problem of exhaust toxicity is solved in relation to partial engine loads. Compared to prototypes the model enables to estimate engine toxicity appreciably more precise.
520-525 323
Abstract
The results of the developed method of utilizing by-products of vegetative leguminous grass mass fractionating by bioconversion are presented. It makes possible to obtain feedstuff of equal worth to the traditional one for agricultural animals.
526-533 341
Abstract
The influence of cyclone devices design parameters on their aerodynamic properties and efficiency is considered. The comparative experimental studies of cylindrical and conical cyclones are presented. A mathematical model of aerodynamic processes in the cyclone apparatus of various designs which is refined by experimental data is suggested.
534-544 352
Abstract
A mathematical model presenting transport processes and assimilation of harmful substances (soot and benzapyrene) in the breaking-in areas is specified. The designed model allows to forecast air quality in the working areas, to define hazardous cancerogenic zones in the deleterious gases concentration fields.
545-548 290
Abstract
Braking modes with application of hydroshock-absorbers for MECHANISMS OF INCREASED OPERATION SPEED are analyzed. Improvement tasks of hydroshock-absorbers for process equipment are formulated.
549-555 318
Abstract
The results of development and experimental tests of vibrofinishing (abrading) cylindrical details by riding on a flat fluctuating surface are presented. The given method is non conventional and includes both methods of operational development and vibrotransportation.
556-559 373
Abstract
The squeezing process by the screw press is considered, design defects are analyzed, and the direction of the screw efficiency promotion is chosen. The operating device has been tested. Made working element tests for working capacity. The received results confirm the designed construction efficiency.
560-568 307
Abstract
Generalized structural and conceptual hydrokinetic analytical models, and technique for developing a mathematical model of multiengined hydromechanical systems are presented.
569-574 341
Abstract
Simulation of the vibration level of technological machines (TM) with an asynchronous electric frequency control allows to detect causes of interference effects, to identify oscillation suppression technics. A steplike program control stator current bias in the formation of AS torque on the shaft taking into account the amplitude and phase of the oscillation parameters is determined by the virtual phase-frequency meter.
ECONOMIC SCIENCES
575-582 334
Abstract
The results of current trends and tendencies of business tourism development in Rostov region are presented, the role of business tourism for tourist industry system performance is defined on the world, national and regional levels.
583-588 370
Abstract
The concept of enterprise economic management is presented. Basic set of tools - in the form of 'chain' - is described. The role of activity-based costing as an engineering marketing instrument in the economic management system is determined.
589-595 314
Abstract
Mechanism of the regional control of the industrial enterprises business processes ecologization under transformation conditions. Methods of environmental economics developed by both Russian and foreign scientists are examined.
596-603 309
Abstract
A new marketing paradigm with appropriate instruments of its implementation in engineering activity is presented. Engineering marketing complex as a set of variables for the efficiency engineering; engineering marketing business model executed with the help of psychoheuristic programming is described.
604-608 353
Abstract
The creation of 'open marketing system' which can help a modern and active enterprise to respond dynamically to market changes is suggested. Open Source taken as a basis is a new marketing mix to supply and implement an innovative product or service.
SOCIAL-HUMAN SCIENCES
609-615 347
Abstract
Socio-philosophical analysis results of the Russian Orthodox Church information-communication activities are presented. These activities are an important factor of the Russian society integration and a civil society formation.
ISSN 2687-1653 (Online)
