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The input gears from the first stage of a combine harvester gearbox have been subjected to experimental testing. A three-dimensional finite element model was established by using Solid Works and the effect of an external load distribution along the gear tooth width was added according to actual working situations. In the Solid Works/Simulation module, the contact relation was established based on...
Railway vehicle structures endured multiaxial fatigue loads in the service process, which aroused many difficulties for bogie frame's design and analysis. In this paper, firstly, the basic theory of multi-axial fatigue was explained. Secondly, the modeling methods of finite element analysis and stress state under standard loads were analyzed. Finally, three methods (maximum principal stress, Mises...
The finite element software is often applied to stress analysis, which is also crucial to the design of anti-fatigue and anti-calcification of artificial heart valve. The material properties and the boundary conditions of bioprosthetic valve leaflets are defined and geometrical models are established. The linear material and the non-linear material of leaflets with different shapes are analyzed. After...
According to the Pro/Mechanica analysis platform, by the finite element analysis method, the actual mold honeycomb molded forces, boundary conditions and imposed load in the view of the molded honeycomb mold for the actual operating conditions leading to die due to stress concentration fatigue failure, the reliability of the problem of insufficient. Through the analysis to determine the maximum stress...
In this paper, with the ANSYS, stress distribution, safety factor and fatigue life cycle of connecting rod were analyzed by using 3D finite element method. The results show that the exposed destructive position is the transition location of small end and connecting rod shank at maximum compression condition. Maximum stress is 303 MPa. Safety factor is 1.24. At maximum stretch condition, the exposed...
Loader working device is a big structure that consists of six complex members. And it is difficult to calculate inner stress accurately and confirm the largest stress location. But finite element software can treat it easily. And stress results are precise and consistent with actual situation. Furthermore, only the largest load case was taken in past analysis, which make loader members size larger...
Engine pistons are one of the most complex components among all automotive. In this paper, a 1/2 3-D solid model including piston and piston pin of a new designed piston was established by Pro/E software, and the finite element analysis model was also established by using ANSYS software. The thermo-mechanical coupling stress distribution and the deformation were firstly calculated. Considering the...
Analysis and resolution of electric field distribution in fast slide-in termination and joint using finite element numeral analysis method described in this paper. Rules of interface compress stress, compress strain, and rubber material peristaltic change as well as material fatigue character after inserting and drawing 1000 times are discussed. The research results proved that electric field controlled...
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