Теоретическая и прикладная механика: Recent submissions
Now showing items 521-540 of 1494
-
Возникновение хаоса при распространении волновых фронтов в неоднородных средах
(БНТУ, 2004)Appearing of chaos at an propagation of waves in the determined heterogeneous media to invistigation in the general case yet it is not possible. The ray method allows to reduce partial differential equation to the ordinary nonlinear differential equations, to which investigation it is possible to apply methods of nonlinear dynamic of systems. The closed systems of the equations ...2020-06-15 -
Методические и организационные проблемы специализации «Компьютерная механика» в БНТУ
(БНТУ, 2004)The paper deals with the peculiarities of organization of «Computational Mechanics» at any technical university. It concerns significant increasing of mathematical and comuter-oriented disciplines at the curriculum.2020-06-15 -
Электронный учебник по избранным главам курса математики
(БНТУ, 2004)Computer book MathTeachTest was designed on the base of ClicklLeam ToolBook II 8.0, which can be used for automation of education, distance learning for some topics of Mathematic in school. There is a description of main parts of the computer book and application.2020-06-15 -
Применение информационных компьютерных технологий в учебном процессе
(БНТУ, 2004)Some problems of construction of the automatized training system (ATS) of applied mechanics are touched in this article. The ATS consists of two information blocks: an electronic directory and control-checking system. The electronic directory includes some amount of numbei-ed contexts. Questions of a different level of difficulty form this testing system. Question's selection is ...2020-06-15 -
Моделирование кондуктометрического метода измерений показателя pH в смеси растворов кислот и щелочей
(БНТУ, 2004)The model of non-straight method of pH factor measurement in acid-alkali mixture based on measurement of material quantity in separate components of mixture is described. Mathematical model allows us to calculate tolerable meanings of metrological characteristics of measurement channels and technical cha?-acteristics of the object of measurement (i. e. volumes and concentrations ...2020-06-15 -
Вероятностные задачи механики в прикладной теории случайных колебаний
(БНТУ, 2004)Some probability problems in an applied mechanics of the random vibration are discussed.2020-06-15 -
Измерение параметров свободных и локализованных носителей заряда в объектах с индуцированной неоднородностью
(БНТУ, 2004)1п this work the procedure of measurement of charge carrier parameters in non-homogeneous object of measurement — monocrystal indium arsenide with inversion channels on the surface is proposed. Analysis that was held shows that using of integral characteristic of formation process of complex integral galvanomagnet measurement signal in selected object allows us to determinate ...2020-06-15 -
Расчет кинематических параметров в сферических координатах матричным методом
(БНТУ, 2004)Analytical dependenciesfor calculating speed and acceleration of the point are obtained by matrix method. The given methodology is usedfor robots—manipulators working in spherical system of coordinates.2020-06-15 -
Приближенное решение обыкновенных дифференциальных уравнений второго порядка
(БНТУ, 2004)The new method ofproblem solving of Cauchyfor differenńal second-kind equations with variable coefficients is offered which rests on a reduction of this equation to the equation Rickati. The solution last is under construction on the basis of a method of a linearization. The estimates of approximation of the precise and approximate solution are given.2020-06-15 -
Тонкостенные пологие оболочки с чистомоментным напряженным состоянием
(БНТУ, 2004)Мартыненко, Т. М. Тонкостенные пологие оболочки с чистомоментным напряженным состоянием / Т. М. Мартыненко // Теоретическая и прикладная механика : международный научно-технический сборник / Белорусский национальный технический университет ; редкол.: А. В. Чигарев (пред. редкол.) [и др.]. – Минск : Технопринт, 2004. – Вып. 17. – С. 105-106.2020-06-15 -
Классическая механика как основа современных методов моделирования свойств материалов: пример вибрационной релаксации
(БНТУ, 2004)It is emphasized that classical mechanics is a film basis for computer modeling a variety of phenomena on macro-, meso- and microscopic levels. Vibrational relaxation is considered as an example.2020-06-15 -
Геометрические формы безмоментных оболочек, подкрепленных упругим кольцом
(БНТУ, 2004)Nonlinear integro-differential equation for determination of meridian of revolution s shell in which given external loading induce momentless state is derived. Theformula for determination ofsurface ofelastic supported ring is obtained.2020-06-15 -
Волновые движения в кубически анизотропных телах
(БНТУ, 2004)It is obtained general solution of the problem of waves propagation in cubic anisotropic bodies by means of Helmholtz equation solutions.2020-06-15 -
Исследование полей напряжений и деформации в металлах с помощью теплового излучения компьютерным термографом IRTIS200
(БНТУ, 2004)In the current paper an attempt was made to compare the stress fields and temperatures obtained by the numerical method algorithm with the temperature fields for a sample, which is in its fiat stress state, registered with the help of computer thermography. Dependences between the temperature change ДТ and the change of the sum of principal stresses Ду are given. These dependences ...2020-06-15 -
Исследование деформации ортотропного полупространства от заданной нормальной нагрузки
(БНТУ, 2004)Based on the new conception of generalformulasfor components of stress pressure and moving oforthotropic in this work it is investigation influence of anisotropic propertus of material on deformation characteristics. Immersion of border of orthotrophic half space defending on action of normal load it is determined using method potential.2020-06-15 -
Исследование динамики гидропривода технологической машины при неустоявшемся режиме движения
(БНТУ, 2004)It Is Considered particularities of change to velocities of piston from time for area of runaway under separate influence of mass mechanically rolling elements of machine and power of technological resistance. Accounting formulas and graphs of results of study are Brought.2020-06-15 -
Разрешающая способность метода осреднения и статистического обращения для идентификации макро- и микроструктуры среды
(БНТУ, 2004)Let us consider the problem of resolution of the method of averages and statistical inversion methodfor the identification of macro- and microstructure of a medium. The quality of identification is essentially affected by the distribution of the sources of detecting emission and the receivers of dispersed field. These problems are wide investigated in many papers. We will restrict ...2020-06-15 -
Уравнения движения механизма ускорителя дробилки как системы с двумя степенями свободы
(БНТУ, 2004)The formula for the calculation of natural frequency of stone crusher was derived.2020-06-15 -
Кручение элементов конструкций с учетом депланации сечений (на примере кратцер-крана)
(БНТУ, 2004)The evaluation methods of tensely- defoimated state of «kratzer»-crane (mining) upon the displacement error of carets are given here.2020-06-15 -
Определение спектра собственных частот демпфера центробежной установки
(БНТУ, 2004)The methods of definition of natural frequencies of resilient circular plate were developed, using variational equation of elementary layer balance.2020-06-15