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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 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...
Finite element analysis has been used to investigate the vibration modal of 480 crankshaft and the stress analysis of crankpin. The aim of the modal analysis was to explain the relationship between the frequency and the vibration modal. And the aim of the stress analysis of crankpin was to find the maximum deformation and maximum stress point. In this paper, three-dimension models of 480 diesel engine...
Aimed at structure retrofit of sprocket shaft, combining with the practical working conditions, theoretical calculation, finite element method (FEM) Analysis and model test are applied in research. The results show, numerical value of traditional mechanical algorithm is relative small, FEM can express the influence of actual structure, and results are more reliable. FEM Analysis represents stress...
Shafts are channels linking the surface part and underground part of mines or hydropower stations, while the numerical simulation of super-deep shafts under construction is scarcely done. In order to promote the construction technology of shafts, a three dimensional FE analysis with surveillance records verification is carried out to simulate the full process of construction to analyze the stress...
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...
Adopting the means of flexible multi-body dynamics and finite element method, the dynamic characteristics of a certain single-cylinder diesel engine crankshaft are analyzed. Comparing with the traditional method, the dynamic stress boundary condition, which is obtained through the method of non-linear multi-body dynamics analysis, is accurate and credible. Dynamic stress recovery results show that...
The method of FEM-based reinforcement design of surge shaft is proposed. As the concrete of surge shaft is applied after excavation and has to spend a period of time to exert its strength, the method to calculate and apply load to the concrete structure is put forward. As the design codes only provide linear solution of concrete with potent basis, the concrete is calculated elastically and the rock...
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