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Using the shear strength reduction(SSR) finite element method(FEM), the safety factor (SF) of a homogeneous slope was calculated, the results showed that the differences were inevitable because of the different adopted instability criteria and personal judgments, even if the same criterion was used. According to analyzing the characteristics of energy conversion during the slope deformation, an abrupt...
On the ground of high resistance to pressure, long life and good retractility, the welded metal bellows are widely used by the space industry. Their performance reductions have a serious effect on the system reliability of space products during the storage. The strength and stiffness analysis of welded metal bellows are performed by theoretical research, numerical simulation and test verification...
Draw bead geometry parameters have a significant effect to the quality of sheet metal forming. The application of response surface method (RSM), orthogonal experiment design method (OEDM) and dynamic explicit finite element method (FEM) in the optimum design (OD) for draw bead geometry parameters used in drawing procedure of cross member panel, a benchmark of Numisheet'2005, was discussed. The comparison...
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