有限元分析表明，轴承内部存在三个应力集中区域。
Finite element analysis shows that there are three stress concentration areas inside the bearing.
设计了一组全息放大光路，提高了局部应力集中区域的测试精度。
A holographic partial magnifying optical arrangement was designed, and high accuracy in the measurement of the partial region of concentrated stress was obtained.
用金属磁记忆检测技术可有效判断套管的应力集中区域，为套管损坏进行早期诊断。
Metal magnetic memory testing technique can effectively distinguish stress concentration zone of casing, which can develop early diagnose for casing damage.
疲劳裂纹扩展前应力集中区域变形场的测试对材料疲劳性能的研究起到至关重要的作用。
The deformation testing in stress concentration area before fatigue crack propagation plays a crucial role for understanding the fatigue properties of materials.
结论：1倾斜移动内收上颌组牙时，各个牙的牙槽嵴顶部和根尖部都有明显的应力集中区域。
Conclusions: 1 the stress is concentrated in alveolar bone crest and apex area of the maxillary anterior teeth while they are in tipping movement.
当荷载作用边界随时间变化及在动力荷载作用下，网格生成器可随应力集中区域的变化而动态退化与再加密网格。
When the load boundaries vary with time and under the dynamics loads, the mesh generator can derefinement and re-refinement dynamically mesh with moving of stress concentration region.
本研究对各种工况下主轴的应力应变场进行数值模拟分析，并对主轴应力集中区域的力学性能进行了分析和研究，为进一步的疲劳分析提供了依据。
The stress-strain field of winder axle in various working conditions is analyzed and mechanics performance of stress concentration region is studied, which provides reference for its fatigue analysis.
本研究对各种工况下主轴的应力应变场进行数值模拟分析，并对主轴应力集中区域的力学性能进行了分析和研究，为进一步的疲劳分析提供了依据。
The stress-strain field of winder axle in various working conditions is analyzed and mechanics performance of stress concentration region is studied, which provides reference for its fatigue analysis.
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