Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
In the operation of bulldozer, the working device bears various complex loads, which raise higher demands on the rationality of the structural design, the convenience of the operation, the durability and the reliability of the working device. The finite element method is used to analysis the structural strength and the fatigue life of the working device. The dangerous points, stress, strain distribution...
Osteoporotic patients occur frequently fragile fractures, and femoral fractures are the common traumatic injuries in the elderly. Although wires are often used through trials-and-errors for unstable femoral proximal fractures with DHS fixation clinically, there is no efficacy wire fixation technique available due to the lack of biomechanical study. FEM is applied to analyze the stress and strain distribution...
The research of load distribution is not only an important part of bearing theory but the basis of studying the other performance indicators of bearings as well. Based on the contact theory of Hertz, the relation of geometric deformation of slewing bearing under certain loads is analyzed, and an analytical formula of load distribution for the slewing bearing under the action of radial force, axial...
The crankshaft is an important component of diesel engine. In this paper, a three-dimensional model of a diesel engine crankshaft was established corresponding to the practical conditions by Using PRO/E software. Using ANSYS analysis tool, the finite element analysis for the crankshaft was conducted under extreme operation conditions, and the stress distribution of the crankshaft was presented. The...
The current paper investigates a destructive accident of Zhengxiang transmission line, in which there was six-tower collapse that might be demonstrably conducted by the downburst gust. Based on the dynamic stress analysis of tower members under the strong wind, tower collapse procedure is simulated by finite element method. Finite element method together with material nonlinearity, large deformation,...
In order to slow down the formidable shearing stress which is caused by the heavy traffic conditions of the heavy load, the heavy tire pressure, the high velocity and so on under the wheel load, especially to solve the wheel rut problems of bituminous concrete pavement under the channel traffic, this article will analyze and research the maximum shearing stress in the semi-rigid basic unit and heavy...
Microneedles are gaining popularity because of the ability to deliver the drug through the skin at desire therapeutic range. In this paper, design, structural analysis and fabrication of tapered tip out-of-plane hollow silicon microneedle array for transdermal drug delivery (TDD) applications is first presented. Then computational fluid dynamic (CFD) static analysis is presented to investigate the...
In the last years, heavy-duty gas turbine has been increasingly used as high efficiency systems for heat and power generation. The typical size of these powerplants mainly consist compressor, turbine and combustor. And the rotor disc assembly structure is different from the single whole rotor structure. Several computer codes have been developed to analyse the strength of the rotor. In the present...
General profiles chosen from worn wheel profiles and railheads (briefly, worn wheel and rail profile) measured by wheel-rail profile admeasuring apparatus were used to build the finite element models, and the new/worn wheel-rail contact problems were analyzed respectively on the tangent and curved track. Variable regulations of contact area's size, shape and position were generalized. The results...
Closed-form analytical formulas for a tooth of paraboloidal shape under the orthodontic force are presented. These formulas are based on both the approximation of strains according to the displacement of the tooth and the tooth equilibrium of the thin surrounding periodontal membrane. The proposed formulas are capable of determining the most important quantities involved the distribution of strain...
The injury on strips is one of universal phenomenon during transferring, which reduces finished product rate. That technical problem is waiting to be solved. The virtual prototyping model of the automatic vertical tong has been built up based on the MSC software ADAMS in this paper. The load and boundary conditions of components are used to build the finite element model obtained by static analysis...
The model of ultra-heavy vibrating screen has been established by using finite element analysis software ANSYS, the stress distribution of the screen box has been revealed under static load, meanwhile, analyses dynamic characteristics of the screen box structure for ultra-heavy vibrating screen, then, has gotten the low order natural frequency and vibration mode of the screen box, and the stress distributions...
In this paper, a mechanism based on flexible hinges and semi-cylindrical revolute joints to amplify the displacement of stack-type piezoelectric ceramic actuator is designed, and dynamic characteristics of the structure are discussed. The mechanism incorporates two semi-cylindrical revolute joints and some flexible hinges. The models of stress and friction moment of semi-cylindrical revolute joint...
This paper deliberately analyzes the stress distribution of rotor plate with mounting holes. A FEM-based computational model is established by utilizing ANSYS. The depth, diameter and gyration radius of the mounting holes are selected as main effective factors while extreme stress and deformation of rotor plate as main evaluation index. Combining with the orthogonal experimental method to analyze...
The static and dynamic performances for the whole casting column of a high-speed horizontal machining center are analyzed by ABAQUS FEA software. The stress, deformation distribution, natural frequency and the mode of vibration under different conditions are simulated. Then the structure of the column is optimized and analyzed. The results show that: (1) The maximum stress is 1.19MPa and the maximum...
The concept of length-diameter ratio is introduced and the stress status of hi-speed milling cutter is analyzed with finite element method based on the ANSYS software. The impact of the length-diameter ratio variation on the stress and strain of milling cutter is researched to optimize the diameter and overhang of the cutter.
This paper obtains the distribution range of steam turbine blade's static response by non-probabilistic interval analysis method. To improve the strength reliability of blade, the uncertainty of the material properties, Geometry parameters, load, and speed of turbine blade must be considered. Based on the uncertain factors of influencing the static characteristics of the steam turbine blade, expressed...
Solid garbage crusher is one of the most important equipments in garbage coal production line. Faults of solid garbage crusher have great influence on the efficiency of garbage coal production line. To solve the problem, an improving design of solid garbage crusher is presented. The key factors that cause the faults to crusher are confirmed through the stress computation of cutting tools. An improving...
Failure happens when test carried on one kind of coach seat recliner, such as: gears of locking board were broken, plastic deformation takes place on end of fixing base. A finite element model was set up and numerical simulation was carried on under boundary conditions which are the same with experiment. Results show that the maximum stress occurred at the dedendum of the first gear of locking board,...
Apply the finite element software of ANSYS/LS-DYNA to simulate the rolling process of pairs of cross wedge rolling shaft and to analysis the stress field of the rolling at the stage of stretcher and to analysis the distribution of strain field. what's more, it can make a clear analyss of the metal's situation such as the under force and the movement at the process of the rolling deformation, it has...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.