Browsing Выпуск 22 by Issue Date
Now showing items 1-20 of 50
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Определение внешнего критического давления оболочки котла вагона-цистерны
(БНТУ, 2007)Methods of computational mechanics solve a problem of definition of external critical pressure of an envelope of the boiler of the tankcar in view of change of its width.2020-06-01 -
Применение соотношений инвариантности к выводу новых интегральных уравнений для коэффициентов яркости плоскопараллельной дисперсной среды
(БНТУ, 2007)The new integral equations for brightness coefficients of pkineparellel dispersive medium of optical thickness Tq are obtained using invariance relations, involving usual Green’s functions or their generalization (for example, reduced Green’s functions) of radiation transfer equations. It is shown that the structure of these integral equations enables to obtain multiterm asimptotics ...2020-06-01 -
Расчёт механических свойств графена в модели валентно-силового поля
(БНТУ, 2007)h was developed computer model of single graphite atomic layer (graphene) crystal lattice on basis of valence-force-field approach. One performed computational experiments to determine mechanical cluiracteristics (linear elasticity modulus, crosscut compression coefficient, shear modulus) according to graphene particles dimensions. One realized comparison present results with ...2020-06-01 -
Критическое состояние многослойных мезоструктур типа сверхпроводник/нормальный металл
(БНТУ, 2007)The dependencies of the critical temperature on the thickness and on the number of layers for superconductor/rwrmal metal multilayers (S/N) are calculated based on multimode solution of microscopic theory equations in diffusive limit. The finite transparency of S/N interfaces took into account. The theoretical curves reproduce satisfactory the experimental data.2020-06-01 -
Температурное поле в стенке полого цилиндра
(БНТУ, 2007)With use of а metiwd affinal differences distribution is investigated water temperatures in a wall of the hollow cylinder. The algorithm is developed and the program on the IBM for definition of temperatures in any point of the cylinder is made at the set temperature on internal and external surfaces. Analytically also the specific thermal stream on an external surface is ...2020-06-01 -
Нагруженность кузова вагона при транспортировке сыпучих грузов
(БНТУ, 2007)Methods of computer simulation solve a problem of loading of a body of a bunker coach by a granular body. Different alternatives of exposition of behaviour of a material of granular medium surveyed.2020-06-01 -
Интерактивная визуализация перемещений на плоскости двух планарных позиционеров
(БНТУ, 2007)The collision problem in the technological equipment with two and more planar positioners on the same stator is described. A geometric interpretation of problem is given, and the algorithm for analysis and excepting of collisions is proposed. The multimedia page for the modelling of two planar positioners' motions on the same stator is presented.2020-06-01 -
Алгоритмы анимации фрикционных автоколебаний приводов подачи станков
(БНТУ, 2007)The algorithm of animation of frictional auto-oscillations presented at a translational motion of a support of cutting machines, parameters of auto-oscillations are defined, the alternative of laboratory operation on examination of these oscillations is offered.2020-06-01 -
Системный анализ факторов при расчете износа в низших кинематических парах
(БНТУ, 2007)The problem of wear calculation with comprehensive allowance for factors is considered. The necessity of mechanism kinematics features accounting and wear factors dependence from parts displacement is shown.2020-06-01 -
Дифференциальное уравнение движения заготовки во время пневмоцентробежной обработки
(БНТУ, 2007)Various aspects of application of the differential equation for the description of character of movement of work part in the device for pneumocentrifugal processing are described.2020-06-01 -
Поверхности скоростей для волн, распространяющихся в идеально проводящей магнитной жидкости
(БНТУ, 2007)In the present article results of realization of a method of characteristics with reference to system of the differential equations of movement of the ionized gases and liquids on which electromagnetic forces operate are submitted. The equations of strong discontinuities and system of the bicharacteristics equations are obtained.2020-06-01 -
Информационное обеспечение раздела «Динамический анализ механизмов» в курсовом проекте по теории механизмов и машин
(БНТУ, 2007)The article describes the peculiarities of software and methodological complex "The Dynamic analysis of lever mechanisms", which is used in course designing at the rate "Theory of mechanisms and machines".2020-06-01 -
Безопасность работы автомобильного подъёмника-вышки
(БНТУ, 2007)The paper presents the analysis of the mechanics the systems, which is modeling the motor-car with the basket jack - the telescopic lift. For the assumed mathenmtical model, its equations were introduced, solved by means of the Mathematica 5.2 software. The results are shown in the form of adequate graphs.2020-06-01 -
Упругость нематических эластомеров
(БНТУ, 2007)The statistical theory of the Cauchy-Green type measure of nonlinear elastic deformation for nematic elastomer is developed. The spontaneous distortions of the nematic elastomers are considered as example of application the statistical theory.2020-06-01 -
Осесимметричные волновые пакеты в цилиндрической оболочке, лежащей на неоднородном вязкоупругом основании
(БНТУ, 2007)By using the asymptotic approach the solution of the Timoschenko-like equations governing the wave processes in the infinitely long elastic cylindrical shell lying on the non-homogeneous visco-elastic foundation has been constructed in the form of the wave packets traveling in the longitudinal direction. The solution represents the superposition of the bending and longitudinal waves.2020-06-01 -
Solving the unsteady heat transeer problem with periodic boundary condition by the boundary integral equations method
(БНТУ, 2007)In the paper, a solution of unsteady heat transfer problem with periodic boundary condition by means of boundary integral equations method was presented. Also was presented the results of numerical simulation of heat transfer in two dimensional area with oscillating temperature on the boundary.2020-06-01 -
Методы оптимизации технологических циклов и тепловых схем ТЭЦ
(БНТУ, 2007)Трибунов, Г. А. Методы оптимизации технологических циклов и тепловых схем ТЭЦ / Г. А. Трибунов, И. С. Куликов // Теоретическая и прикладная механика : международный научно-технический сборник / Белорусский национальный технический университет ; редкол.: А. В. Чигарев (пред. редкол.). – Минск : БНТУ, 2007. – Вып. 22. – С. 200-216.2020-06-01 -
Корреляционный анализ весовых значений векторов направлений
(БНТУ, 2007)The correlation analysis of weight values of direction vectors and their order numbers of normalized vector model for objects under investigation is proposed. The experimental results of construction of the regression line are represented, as well as ones for calculation of theoretical-correlation ratio, similarity measure and classification of objects under investigation for a ...2020-06-01 -
Технология контроля знаний студентов при изучении теоретической механики в УО «ВГТУ»
(БНТУ, 2007)hi work the technology of the control of knowledge of the students is stated at study of the theoretical mechanics. Are given an estimation and recommendations for use machine and without machine programmed of the control of knowledge of the students, the conditions are stated which should answer process of mastering and quality of preparation at independent work of the students.2020-06-01 -
Некоторые аспекты проектирования гомогенных плазмохимических конверторов
(БНТУ, 2007)Цыганов, Д. Л. Некоторые аспекты проектирования гомогенных плазмохимических конверторов / Д. Л. Цыганов // Теоретическая и прикладная механика : международный научно-технический сборник / Белорусский национальный технический университет ; редкол.: А. В. Чигарев (пред. редкол.). – Минск : БНТУ, 2007. – Вып. 22. – С. 140-148.2020-06-01