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The interaction between the rock slope and tunnel is very important in geotechnical engineering for they will affect each other. In some cases, tunnel is first excavated long time ago, then with the time passed on, the stress in the rock mass reaches its equilibrium state, and the deformation of the rock mass becomes unchanged. In the following, the surface rock mass is excavated to form a slope,...
The forging method with horizontal V-shaped anvils (HVA) is effective in the control of inner stress states, metal tissue, etc. FEM numerical simulation is conducted for the HVA forging method, given the blank-width ratio 0.5, 1.0 and 1.2, respectively, and the anvil-width ratio 1.0, to investigate the influence of blank-width ratio of HVAs on the stress field in the stretched forgings. The results...
One problem when modelling soil compaction is the estimation of vertical stress distribution at the soil surface, as it is non-uniform and mainly depends on soil properties. However, a uniform vertical stress distribution is used in most FEM compaction models. A new processing approach is proposed to numerically model vertical stress distribution at the soil surface, employing the FEM models of PLAXIS...
The deformation, internal forces and stress of throttle slice of shock absorber were analyzed, the mathematical model of stress was found through the relation of stress with the deformation. Followed is a practical example of stress analytic computation, together with other approximate methods by machine design book and by ANSYS, compared the results of stress computation, and analyzed the declination...
A finite element model of compact tear specimen (CTS) is built for the study of three-dimensional I-II mixed mode fracture. Since the three dimensional effects of load combination and the thickness are concerned, the model of the specimen is built in 5 thickness, and the numerical analysis is taken at seven different angles which is span from 00 to 900 with a step of 150. The paper focuses on computer-based...
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