Browsing Выпуск 23 by Title
Now showing items 21-40 of 48
-
Математическое моделирование одного класса задач теории оболочек
(БНТУ, 2008)The general methods of the resolution of the partial differential equations of the first order for a prescribed of the strain state of thin-walled elastic shells of the given type (momentless or pure moment) are obtained.2019-11-15 -
Методическое обобщение стержневой модели шероховатости в курсе «Контактные задачи и трибология»
(БНТУ, 2008)А methodical generalization of а rod model of roughness was made in the paper.2019-11-15 -
Методы дискретизации и гомогенизации в динамических задачах сложных механических систем
(БНТУ, 2008)Чигарев, А. В. Методы дискретизации и гомогенизации в динамических задачах сложных механических систем / А. В. Чигарев, Д. Н. Миронов, Э. Каминский // Теоретическая и прикладная механика : межведомственный сборник научно-методических статей / Белорусский национальный технический университет ; редкол.: А. В. Чигарев (пред. редкол.). – Минск : БНТУ, 2008. – Вып. 23. – С. 167-173.2019-11-15 -
Моделирование динамического поведения жесткопластической криволинейной пластины с произвольным свободным отверстием
(БНТУ, 2008)А rigid, perfectly-plastic model of solids is applied to study the dynamic behavior of simply supported or clamped, arbitrarily shaped plates with an internal, free, arbitrarily shaped hole. Governing equations for dynamic behavior are obtained. Operating conditions of possible mechanisms of deformation are analyzed. Analytical expressions for the ultimate loads are obtained.2019-11-15 -
Моделирование маневра «переставка» в ADAMS
(БНТУ, 2008)Description of а model of а vehicle MAZ-4570 assigned for dynamic analysis is observed in the present article. Results of dynamic simulation of resetting maneuver and results offinite-element modelling offront and rear car suspension are also given here.2019-11-15 -
Моделирование разрушения сварного соединения в пакете LS-Dyna
(БНТУ, 2008)А crush model of а weldjoint was created in the paper.2019-11-15 -
Напряженно-деформированное состояния силовой системы ролик-кольцо в условиях контактного взаимодействия и объемного деформирования
(БНТУ, 2008)А three-dimensional field of stresses in the roller-ring active system is observed in the present paper. The field was obtained by superposing the field of stresses conditioned by action of normal and tangential elliptically distributed contact forces and by bending of the ring. A significant change of the state of stress in comparison with the solution for the pure contact problem ...2019-11-15 -
Об объектах, изучаемых в механике
(БНТУ, 2008)Витязь, П. А. Об объектах, изучаемых в механике / П. А. Витязь, М. С. Высоцкий, Л. А. Сосновский // Теоретическая и прикладная механика : межведомственный сборник научно-методических статей / Белорусский национальный технический университет ; редкол.: А. В. Чигарев (пред. редкол.). – Минск : БНТУ, 2008. – Вып. 23. – С. 3-12.2019-11-15 -
Обучение Internet-технологиям в курсе «Информатика»
(БНТУ, 2008)The given article is devoted to features of training the Internet-technologies in discipline "Informatics". Authors have created the electronic simulator applied in laboratory works. The fragment of the electronic instruction is shown.2019-11-15 -
Определение коэффициентов интенсивности напряжений путем моделирования трещины в ANSYS
(БНТУ, 2008)3-D finite-element model of rigid body with crack was created in ANSYS program. Stress intensity factors were calculated for three loading situations. Comparison of the solutions of the classical crushing mechanics problems with computer simulation results instill confidence in the validated modeling. ANSYS mode was used for exploration of the stressedly-deformed mode in the ...2019-11-15 -
Построение механико-математической модели кровеносных сосудов (артерий) человека как многослойной анизотропной оболочки
(БНТУ, 2008)There is helical motion of biological environment in the cardiovascular system and others transporting systems. The member of the Academy N. Dobrecov reported about that discovery in his paper in 2003. The basis of such motion is transporting canals walls interaction with the medium due to torsion wave that is generated by helical and muscular elements. The walls of arteries have ...2019-11-15 -
Применение пк “ANSYS” к решению задач строительной аэродинамики
(БНТУ, 2008)Buildings and structures are affected externally by the blowing of wind in several aspects. Aerodynamic effects are the most important for multy-stored buildings. The aerodynamic effect is concerned with the configuration of the air flow in the building domain. This configuration determines the distributions of pressure and velocity on the building surfaces. In paper are presented ...2019-11-15 -
Принцип суперпозиции в расчетах статически неопределимых систем при растяжении-сжатии
(БНТУ, 2008)Calculation of statically indefinable rod systems is considered at a stretching-compression in case ofjoint action of mechanical, temperature loadings and discrepancy of manufacturing.2019-11-15 -
Прочность полых цилиндров при облучении
(БНТУ, 2008)Клус, С. А. Прочность полых цилиндров при облучении / С. А. Клус // Теоретическая и прикладная механика : межведомственный сборник научно-методических статей / Белорусский национальный технический университет ; редкол.: А. В. Чигарев (пред. редкол.). – Минск : БНТУ, 2008. – Вып. 23. – С. 49-54.2019-11-15 -
Пьезоэлектрический сенсор интеллектуальной системы контроля шухмоподобным сигналом
(БНТУ, 2008)Modes of electroacoustic and acoustoelectric converting of random signals by piezoelectric sensor as a flat piezoelement are studied/. The wave equation for distribution of mechanical shift along the thickness of the given element, taking into account the acoustic voltage (vibration radiation mode) and the controlled mechanical shift (reception mode) are presented in a form ...2019-11-15 -
Равнительный численный анализ механического поведения нанотрубки в случае применения разных механических моделей
(БНТУ, 2008)It was developed computer model of single-walled carbon nanotube on basis of valence-force-field approach. One performed computational experiments to determine mechanical characteristics (linear elasticity modulus, crosscut compression coefficient, shear modulus) according nanotube dimensions. One realized comparison present results with results obtained within Urey-Bradley model. ...2019-11-15 -
Расчет скоростей и ускорений элементов составных механизмов с применением пакета Mechanical Systems системы Mathematica
(БНТУ, 2008)In the present paper the algorithm of calculation of velocities and accelerations of components of mechanical system in Mathematica package Mechanical systems is submitted. The example of calculation of velocities and accelerations of elements of brake draft of a back suspension bracket of the automobile is resulted.2019-11-15 -
Расчет устойчивости колеса на рельсе при движении вагона по бесшпальному железнодорожному пути
(БНТУ, 2008)Is investigated the stability of wheel on the rail during the motion of railroad car with respect to the sleeperless track railway line.2019-11-15 -
Решение второй основной динамической задачи теории упругости методом устранения лишних элементов
(БНТУ, 2008)The general solution constructed satisfies identically the equilibrium equations within the area for the problem considered. The conditions of absence for longitudinal transferences on the planes z=±h are accomplished identically.2019-11-15 -
Решение радиационно-термоупругой задачи для сплошного цилиндра
(БНТУ, 2008)Heat irradiation elements as rule have the shape of the cylinders. Tensely-strained state for entire cylinder under acting pressure, irregular warming and radiation are analysed in this article. The construction mathematical models and programming of the numerical method for task solving. Checking the right variant of the received results. The importance of radiation action on ...2019-11-15