Von Mises stress

By means of finite element method, this paper carried out a statics analysis on the complete appliance of three-ring reducer. The reacting force of each structural member and the variation law of Von Mises stress were obtained during one period running of the three-ring reducer.

通过有限单元法，对三环减速器的整机进行了静力学分析，得到了三环减速器运转一个周期时，各个构件的作用反力和VON MISES应力变化规律。

Conclusions The skull damping parameter influence the von Mises stress of skull greatly.

结论颅骨线弹性材料阻尼系数对模型颅骨应力响应有显著影响。

especially, the maximum principal stress, von mises stress and tresca stress in the notch area were detailedly analyzed in this study.

特别是对缺口部位最大主应力、等效应力和最大剪切应力进行了详细分析。

When the width of class I cavity was invariable, the magnitude of maximum Von Mises stress and maximum tensile stress in enamel and composite restorations increased as the depth of cavity increased.

在洞型宽度恒定的情况下，洞型越深，牙釉质、修复体的最大VON MISES应力及最大拉应力值越大。

Dental collar had the effect of reducing the peak Von Mises stress in dentin.

增加牙本质领高度可以降低牙体内VON MISES应力峰值。

When zinc phosphate cement was used as the base material, the magnitude of maximum Von Mises stress and maximum tensile stress in enamel and composite restorations were comparatively lower than those of glass ionomer cement and the stress distribution were more equable.

从基底材料看，磷酸锌粘固粉作为基底时，牙釉质、修复体的最大VON MISES应力及最大拉应力较玻璃离子粘固粉作为基底时要小，且应力分布更均匀。

It proves that the max Von Mises Stress of axle housing is less than the allowable stress value and the strength of axle housing meets requirement.

证明桥壳内的最大主应力小于许用应力值，桥壳的强度能够满足要求。

The von Mises stress and distribution scope were difference in different phase. The von Mises stress in the talar dome, talar neck, talonavicular joint surface gradually increased, and decreased in the subtalar joint. 3.

不同位相距骨VON MISES应力值及分布范围不同，等效应力在距骨滑车、距骨颈及距舟关节从落地相到离地相逐渐增大，在距下关节逐渐减小。

Structural Topology Optimization Based on Level Set Method and von Mises Stress

基于水平集方法和VON MISES应力的结构拓扑优化