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- equivalent stress criteria 等效应力准则
- The finite element equivalent stress method is one of the two checkout critera ordered by the new design specification for concrete arch dams, and it is a new strength design criterion too. 摘要有限元等效应力法是拱坝设计新规范规定的两种强度校核方法之一,也是新规范规定的拱坝强度设计标准。
- Then calculates the equivalent stress according to the random samplings. 其次,按不同的里程从全程数据中抽取数据并计算等效应力幅;
- equivalent stress yield criterion 等效应力屈服条件
- Torsion deformation is the biggest effect factor on elastic limit equivalent stress. 扭转变形是对钢丝的弹性极限等效应力情况影响最大的因素。
- The Maximum stress criteria and the stiffness degradation were introduced to the failure analysis.Therefore we can simulate the working precess of the case. 采用最大应力强度准则进行单元失效判断,并引入合理的刚度衰退模型,从而较真实地模拟壳体的承载过程。
- Monte Carlo simulation method is utilized to compute the reliability of laminas combined with the maximal stress criterion. 分析中采用最大应力凖则计算了单元层的破坏概率,然后利用首层失效凖则计算了层合板的可靠度。
- It is cumbersome to analyze arch dam equivalent stress for the finite element results of arch dam. 摘要在拱坝有限元分析成果的基础上进行等效应力计算是件繁琐的工作。
- With the loss of the alveolar height, the maximum equivalent stress and the principle stress of the upper central incisor periodontium increased. 随着牙槽骨高度的降低,上中切牙牙周膜最大等效应力和主应力逐渐增大。
- Because the equivalent stress is invariable when the pressure goes down,the breechblock opening time does not affect forces for extraction. 因此抽壳力是必要的,而且开栓时间对抽壳力的影响很小。
- Studies the law of different thread tooth link angles and friction factors to the axial force and maximum equivalent stress of the tapered thread. 研究不同牙形角和摩擦系数对锥螺纹旋紧机构轴向力及螺纹处最大等效应力的影响规律。
- Based on the equivalent stress formula of the coiled tubing, the life prediction model was put forward and a semi-empiric formula for prediction was obtained. 现文利用等效应力建立了连续油管的疲劳寿命估计模型;
- In this paper,the maximum circumferential strain fracture criterion is proposed with a comparison of the maximum circumferential stress criterion and the strain energy density theory. 根据线弹性断裂力学,推导出了复合型裂纹的最大拉应变断裂准则,并与最大拉应力理论、应变能密度因子理论作了比较、分析;
- Our results showed that loosening caused the equivalent stress to decrease in the lateral side and to increase in the medial side in the proximal femoral trabeular bone. 吾人的分析结果显示:髋关节松落造成的大腿骨近端外侧之骨小骨的等效应力降低,内侧之应力则升高。
- The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation. 预应变可以延长疲劳裂纹形成寿命,提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值;
- RESULTS: With the loss of the alveolar height, the maximum equivalent stress and the principle stress of the upper central incisor periodontium increased. 结果:随着牙槽骨高度的降低,上中切牙牙周膜最大等效应力和主应力逐渐增大。
- The results show that the equivalent stress of the pure aluminum augments gradually with the pass increasing, which results in the increase of the dislocation density. 结果表明:随着挤压道次增加,纯铝中等效应力逐渐增加,这导致材料中位错密度的增加;
- The pre-straining prolonged the fatigue crack initiation life,and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation. 预应变可以延长疲劳裂纹形成寿命,提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值;
- While radius of the inner sleeve increases, the equivalent stress of fitting decreases quickly and the equivalent stress of working also increases quic... 通过参数优化,获得最佳的结构参数:内套外径尺寸、中套外径尺寸、内中套过盈量、中外套过盈量。
- maximum circumferential stress criterion 最大周向应力准则