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Документ Особенности деформации металлов в сильных магнитных полях(НТУ "ХПИ", 2005) Автономова, Людмила Владимировна; Степук, Александр ВладимировичDeformation mechanisms in pulse high magnetic fields are considered in the researching. The basic conclusions are as follows: non-uniformity of metals' deformation resulted on thermal effects of skin heating; raising of plasticity limit from surface to the sample depth up to its dynamic value; zero magnetic field pressure on surface does not prevent the metal structural modificationsДокумент Термоустойчивость стержневых и пластинчатых элементов конструкций(НТУ "ХПИ", 2005) Конкин, Валерий Николаевич; Лавинский, Владимир ИвановичThe research results of maximum fortunes and steadiness loss of rectilinear bar form and flat form of round plate with calculation of temperature elements materials resiliency module dependence are representedДокумент Нелинейные изгибно-продольные колебания вращающихся стержней(НТУ "ХПИ", 2005) Ширяева, Наталья Владимировна; Аврамов, К. В.Nonlinear axial-bending vibrations of rotating beams are investigated here. Eiler-Bernuly hypothesis are used for modeling of a beam. Beam's vibrations are represented in the form of line of natural frequencies nonrotating beam. Ordinary differential equations of nonlinear vibrations are obtained hereДокумент Узагальнений параметричний опис складних біомеханічних систем(НТУ "ХПІ", 2005) Ткачук, Микола Анатолійович; Радченко, В. О.; Веретельник, Юрій ВікторовичIt is proposed generalized parametrical approach for biomechanical system modelling. Structure of the specialized soft hardware complex for spatial modelling of locomotorium and spine endoprosthesing operations, prosthesed elements strength and rigidity as well as results of prostheses optimal behaviour scheme choice for best operation and prostheses scheme is presentedДокумент К вопросу расчетно-экспериментального исследования напряженно-деформированного состояния элементов сложных механических систем(НТУ "ХПИ", 2005) Ткачук, Николай Анатольевич; Орлов, Е. А.; Липовецкий, Л. С.; Макалей, А. Н.Development of calculation-experimental method for research of stressed-deformed state of elements of complicated mechanical systems is presented. The charts of researches with application of method of finite elements and speckle-holographic interferometry are describedДокумент Анализ чувствительности и оптимизация кварцевых резонаторов(НТУ "ХПИ", 2005) Симсон, Эдуард Альфредович; Назаренко, Сергей Александрович; Зюзин, А. Ю.Complicated finite-element models of quartz resonators with high geometric and physical self-descriptiveness sensitivity analysis and optimization methods are given in this article. The methods have guiding to orientate on high dimensions of state and design variables. The developed mathematical apparatus application domains are examinedДокумент Уточнение расчетной модели кольцевого лазерного гироскопа на основе экспериментальных данных(НТУ "ХПИ", 2005) Погорелов, Сергей Юрьевич; Счастливец, Кирилл ЮрьевичIn the proposed paper the analyze model accuracy of ring laser gyro has been researched. The temperature fields of real laser gyro have been determinate during the experiment. The analyze model of laser gyro corresponding experiment conditions was create. Difference between experimental and modeling results was analyzed. As result, the analyze model parameters of laser gyro has been adjust and adequacy between experimental and modeling heat processes became more fullДокумент До оптимального проектування коліс рухомого складу залізниць при технологічних та експлуатаційних навантаженнях(НТУ "ХПІ", 2005) Резниченко, М. К.; Щепкін, Олександр ВіталійовичThe systematic numerical research of railroad car wheel were made using technological heating by induction-heating devices which allowed the establishment of the laws of the stress-strain state of the wheel set elements, during its thermal assemblyДокумент Определение показателей надежности чувствительного элемента датчика давления - цилиндрического резонатора(НТУ "ХПИ", 2005) Повгородний, В. О.The article devoted to problems of definition parametrical reliability and probable operability. The work develops a new approach in mechanics and reliability based on evaluation of parametrical reliability (namely, reliability coefficients) and operability of structural elements, simple two dimensional structures (for example, boards with radio components) as well as complex three-dimensional lamellar-bar and cylindrical structuresДокумент Способ определения угла перекоса оси колесной пары железнодорожного транспортного средства относительно продольной оси рельсовой колеи(НТУ "ХПИ", 2005) Петров, А. С.; Бурка, М. Л.; Романенко, О. В.; Нестеренко, В. И.This article is about the method of the definition of a corner of a skew of an axis of the wheel pair of railway transport relatively to longitudinal axis of a rail trackДокумент Интегральные характеристики напряженно-деформированного состояния корпусов транспортных средств специального назначения(НТУ "ХПИ", 2005) Пелешко, Евгений ВитальевичThe analysis procedure development problem and the synthesis solution problem of different types of special-purpose vehicle hulls is solved. The specialized integrated system scheme of the analysis and a synthesis of hulls, and also integrated performances of strength and stiffness is offeredДокумент Обратная задача баллистики свободной гидравлической струи(НТУ "ХПИ", 2005) Ольшанский, В. П.; Мищенко, И. В.; Ольшанский, Станислав ВасильевичThe conditions of the expiration of a stationary jet are determined, at which its trajectory passed through the given point of a vertical plane under a direct angle to it, and the particles of a liquid in this point have the given speed of movementДокумент Лазерная диагностика потоков. Часть 2. Параметры элементов оптических схем ЛДИС(НТУ "ХПИ", 2005) Никитин, А. М.In this article estimations of the optical parameters schemes LDA adapted to measuring of stream performances of restricted transparency fluids are reduced. Efficiency of algorithm at a phase of layout LDA optical schemes is showДокумент Взаимодействие упругих волн с цилиндрической полостью в условиях плоской деформации(НТУ "ХПИ", 2005) Назаренко, А. М.; Панченко, Б. Е.; Ложкин, А. М.The problem of elastic waves diffraction on a cylindrical space is dealt with. The problem is brought to solving singular equations, which are calculated numerically. Dependence of the space boundary voltage on dynamic, mechanical and geometrical characteristics are presentedДокумент Нелинейное деформирование бронированного шланга(НТУ "ХПИ", 2005) Мисюра, Е. Ю.This paper is concerned with the study of the stress-strain state of the armoured hose loaded by the internal pressure. The hose is a piecewise-homogenous isotropic thick-wall cylinder formed by two layers-rubber (inner) and metallic (external) ones. The statically axisymmetric problem of the plane deformed state in the physically and geometrically nonlinear formulation was solved by means of the finite element method on the base of the principle of possible displacements in the increments. The obtained numerical results made it possible to test the methodics and the program elaborated early and also to reveal the influence of the braid on the strength of the hoseДокумент Расчетно-экспериментальное исследование элементов гидрообъемных передач(НТУ "ХПИ", 2005) Мартыненко, Александр Викторович; Ткачук, Анна Владимировна; Зарубина, Алла Александровна; Васильев, Антон ЮрьевичParametrical approach to research of transport machines elements is offered. Theoretical and experimental methods of the HVT elements stress-strain state determination are proposed. The algorithm for software complex on its base is created. The computational and experimental results are presented, conclusions are madeДокумент К вопросу об изменении жесткости прямых эвольвентных зубьев модифицированных в виде круговых канавок на торцах колеса(НТУ "ХПИ", 2005) Кириченко, А. Ф.; Бережной, Виталий АлександровичThe increasing way of spur gears capacity to work are studied. Gear tooth calculation of volumetric stress strain state of modification spur gears by method of finite element is performed. The stress and rigidity calculation results of modification spur gears with by circle sharpening on spur gears have been calculatedДокумент Сжатие гибкой сферической оболочки двумя плоскостями(НТУ "ХПИ", 2005) Иглин, Сергей Петрович; Кулаченко, А. Е.; Сяров, А. М.The problem about tightening between two plains of an absolutely flexible spherical shell, pumped by gas, is decided. The large displacements, decrease of a shell thickness in an process of its tension and non-linear physical ratios are allowed. Primary radius of a pumped shell receives from a solution of a system of non-linear equations. The compression process is carried out step by step, with a linearization of equations on each step. The numerical example is presentedДокумент Урахування геометричної нелінійності у розрахунках на повзучість тонкостінних елементів конструкцій(НТУ "ХПІ", 2005) Замула, Олексій ОлександровичIn article the method of the solution of the initial-boundary value problems of the creep theory of shells of revolution is given, which one are constructed on the basis of finite element method (FEM) and equations of state with allowance creep-damage process. The shells with deformation of transversal shift and geometrical nonlinearity are reviewed at final normal displacements. The example of geometrically nonlinearity calculation is givenДокумент Применение марковских моделей для расчета остаточного ресурса при усталостных отказах(НТУ "ХПИ", 2005) Жовдак, В. А.; Тарасова, Л. Ф.The approach of the construction element's residual resource prediction, based on the use of kinetic equations for description of the measure of damage and the mathematical tool for Markoffs process theory is proposed. As the result, the most informative reliability characteristics, such as no-failure operation probability and probability density of failures, are determined. This approach allows take proper account of the random loading, fatigue point decrease