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DEFORM-3D software is a powerful simulation tool that uses the Finite Element Method to analyze the three dimensional complex forging process, It provides a virtual testing environment in which engineers can study the influence of geometric parameters, process parameters and other factors on forging process performance. This paper aims at the forging process of automotive starter motor ring gear,...
Tunnel excavation design is an important content in the civil engineering, many researches are done based on the linear failure criterions by the analytical solution and numerical solution, but seldom researches are done to apply the nonlinear failure criterion in describing the surrounding rock mass after tunnel excavation, although nonlinear failure criterion shows great advantages over the linear...
The impact analysis was done to precise bolt FE model by explicit software LS-DYNA. The bolt simple model was created using anisotropic material and plastic strain damage rule based on anterior calculated results. With same boundary conditions, the stress and strain results of precise and simple model were compared and simple model material parameters were improved based on models difference. The...
Analyzed the deformation, internal forces and stress of throttle slice of shock absorber by elastic mechanic, the formula of the minimal permission thickness of single design throttle slice was established, and the slice stress coefficient and analytic formula were found through the relation with the deformation. Followed is a practical example for radial, circumferential and combined stress computation...
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