Stresses in hollow axles with ellyptical cracks under rotating bending
Model for calculation of nominal stresses in characteristic points of the surface fatigue crack to the tubular shaft in bending with rotation. Reasons for the decrease of the propagation velocity of cracks in the center and changing the geometry.
Подобные документы
The types of mechanisms turning and folding blades used for power control and stabilization of frequency of rotation of the wind turbines. The dependence of the displacements of sliders and centrifugal weights on the angle of rotation of the blade.
статья, добавлен 14.09.2016The model of spatially distributed curing process of epoxy matrix polymeric composite. The model using the projections of Pareto points set on the 8-dimensional space of design variables. Сontrol synthesis for the closed mould curing of composite spar.
статья, добавлен 30.05.2017Geometry enhancements, general beam section calculator, body diagrams and grid point force balances, graphics enhancements, scripting language and polygon and freehand selection, their application in the development of parts. Results viewing enhancements.
презентация, добавлен 21.02.2014Types of the combined mechanisms of simultaneous turning and folding blades, which can be stabilized the frequency of rotation of horizontal-axis wind turbines. Analysis of the dependence of the adjusting movement of the slide from rotation angles.
статья, добавлен 27.10.2016Surface-polymer flooding (the so-called micellar polymer flow) as a potentially advanced oil recovery technology is more effective than polymer flooding. Surface-active interaction and compatibility of the polymer. Distinctions, drawbacks of the method.
статья, добавлен 06.05.2018Investigation of the surface layer structure at high resolution. Study of surface morphology of treated detail. The use of electric-surface alloying components operating under conditions of friction and abrasionerosion wear and their restoration.
статья, добавлен 22.03.2016The sustained propagation of combustion fronts in porous media is as a condition for the success of in situ combustion for oil recovery. The analysis of a method for modeling the propagation of combustion fronts in porous media. Problem of loss of a heat.
статья, добавлен 20.05.2013The developing of the numerical model of viscoelastic material using finite element method. The comparison of the obtained results with use of FEM software with experimental data. The calculation of the stress and strain state of the asphalt specimen.
статья, добавлен 29.09.2016Defining of dimensional relationships where the aspect ratio. The building process for 3D microdevices. The features of creation surface energy high enough to maintain adhesion of the electroplated material until completion of the plating process.
реферат, добавлен 16.04.2017Use of fluid with magnetorheological effect in crane’s system can reduce significantly unwanted overload, vibrations and resonances arising from them. Applying periodically changing strengths of an external synchronized with cycles of periodical crane's.
статья, добавлен 28.11.2016The study of the influence of the surface hardness of the auger on its wear during dehydration of solid waste in the garbage truck. Usage of the method of regression analysis, the logarithmic dependencies of auger wear depending on the hardness.
статья, добавлен 23.06.2022The model is based on a regional convolutional neural network architecture that can identify and classify different types of damage, including those caused by natural disasters, accidents, or deliberate warfare attacks, such as shelling and bombardment.
статья, добавлен 12.12.2024The base of constructing computer model of the analysis of complex physical-chemical phenomena in the process ORIEN in continuous arc furnace is as the main aggregate of energy-metallurgical complex. A mathematical model of physical-chemical processes.
статья, добавлен 02.11.2018The model is based on a regional convolutional neural network architecture that can identify and classify different types of damage, including those caused by natural disasters, accidents, or deliberate warfare attacks, such as shelling and bombardment.
статья, добавлен 12.12.2024Evaluation of the technical system and its subsequent use for decision-making to ensure complex technical systems with appropriate quality of work. The characteristics and specificity of the model changes performance States based on the Markov chain.
статья, добавлен 29.01.2016The roller of the belt as the most important parts of the conveyor, being subjected to continuous stress both during operation and in stopping periods. Causes and weight percentage of failures due to fatigue. Sealing system with simple labyrinth.
статья, добавлен 27.12.2016The essence of ventilation systems. Operation of special ventilation shafts, requirements for the location of the ventilation shafts. The design of the ventilation system, its role in the design of complex transport systems, road and rail tunnels.
контрольная работа, добавлен 19.02.2019Wind turbine concept with air duct. Influence of the exit area and entry area on aerodynamic characteristics. Designing a new model of Invelox. The need to install a curtain at the end of the air intake to change the direction of the air flow up, down.
статья, добавлен 08.03.2021Consideration the vibroactivity in the refined dynamic model of the mandrel bar. An acoustic positioning system of screw-rolling mill. The study of dynamic processes in the tube. Mathematical model of vibroactivity of screw-rolling mill mandrel bar.
статья, добавлен 30.01.2016The regularities of macromolecules behavior in the flow with longitudinal velocity gradient and manifested in this case effects of elastic deformations have importance in understanding the mechanism of anomalously high cutting power of water-polymer jet.
статья, добавлен 28.02.2016Determination of torque on the shaft of auger intensifier, power consumption, energy intensity and productivity of the backfilling workflow. Evaluation of soil properties, geometric parameters of the screw intensifier and speed of the bulldozer.
статья, добавлен 01.12.2017Definitions and models of control in water supply and sanitation industry. Concession model of control sanitation industry in international practice. Condition of networks and evolution of model. Research limitations and future research directions.
дипломная работа, добавлен 13.11.2015Creep and fatigue in polymer matrix composites. Stages, characteristics and deformation of creep. Mechanisms of creep. General creep equation. Dislocation, nabarro-herring, coble creep. Creep of polymers, of concrete. The molecular weight of the polymer.
курсовая работа, добавлен 02.02.2015Analysis of finite element methods, numerical methods for solving engineering and mathematical physics. Obtaining analytical solutions for problems of complex geometry, loads and material properties. Tension rods, beams and other simple structures.
презентация, добавлен 20.10.2014- 50. Влияние температурных напряжений на накопление контактно-усталостных повреждений в колесе локомотива
Предложена методика учета влияния температурных напряжений, возникающих в колесах железнодорожного состава при колодочном торможении, на накопление контактно-усталостных повреждений в них. Методика программно реализована в модуле Rolling Contact Fatigue.
статья, добавлен 27.05.2018