| 1. | 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。 |
| 2. | In this analysis procedure , the mean stress is accounted for by obtaining the equivalent stress derived from goodman formula or not and the difference between the two cases are discussed
由于在谱分析方法中考虑到了由波高、特征周期及浪向确定的不同海况，所以本文也分析了各海况对疲劳寿命的影响。 |
| 3. | Using the failure criterion of maximum equivalent stress and the method of element birth and death , the space distribution features of small earthquakes ( micro cracks in rock ) before a strong earthquake are simulated
利用最高应力破裂准则、释放破裂单元刚度生与死的方法，模拟强震前岩石的破裂和小震的空间分布特征。 |
| 4. | Some examples prove that the result is stable and the value of equivalent stress is less affected by mesh size . this method provides a reliable way for application of finite element method in high arch dam ' s design
算例结果表明，该方法的计算结果比较稳定，等效应力值受网格尺寸的影响较小，为有限单元法在拱坝设计中的应用提供了一条可靠的途径。 |
| 5. | Through using abaqus software , a numerical simulation of equivalent stress field of flanging deformation process with cone - shaped punch was carried out , and compared with simulation of flanging deformation with column - shaped punch
摘要利用abaqus商用软件，对锥形冲头翻边变形过程的等效应力场进行了数值仿真，并与柱形冲头的翻边变形仿真进行了对比。 |
| 6. | In the paper , the method of equivalent stress is adopted to confirm the outside force of the truss model , and the factor of the angle of inclined column is considered . a design method of the wall was suggested
采用等效应力法确定了桁架模型的外力，即薄壁柱传来的荷载，其中考虑了斜柱的倾角以及反映薄壁柱与转换梁共同作用的薄壁柱端部塑性发展系数的影响。 |
| 7. | Prof , zhu bofang and prof . fu zuoxin present equivalent stress method , which provides an effective way for practical application of finite element method . but how to solve dam body ' s equivalent stress reasonably is still a problem
朱伯芳院士、傅作新教授提出的等效应力法概念为有限元法实用化提供了一条有效的途径，但如何合理求解坝体等效应力仍存在一定的问题。 |
| 8. | By analyzing the indoor flexural fatigue tests of small beams , the paper concludes that the fatigue life of lean concrete follows the two - parameter weibull distribution , and establishes two types of fatigue equation under different stress level and equivalent stress level
通过分析室内小梁弯拉疲劳试验结果，得出贫混凝土的疲劳寿命服从双参数威布尔分布，据此建立了不同应力水平和等效应力水平下两种形式的疲劳方程。 |
| 9. | Two models for dynamic damage evolution of materials in general anisotropic damage state were presented ; the first one was based on power function of the effective equivalent stress and the second on the damage strain energy release rate
研究了工程材料在动力载荷下损伤演化的计算模型，提出了一般材料在各向异性损伤状态下的两种动力损伤模型。第一种以有效应力的等效值的幂函数为基础，第二种以损伤应变能释放率为基础。 |
| 10. | The bottom roller and sub - bottom roller of hcr is calculated about its equivalent stress , contact stress and the distributing of pulling - stress along the inside track of hcr . also , effects of hollowness and pinch fit are analyzed on bearing stress and rated load
主要计算预负荷空心圆柱滚子轴承的最底部滚子和次底部滚子的等效应力、接触应力和滚子内圈拉应力的分布情况，分析滚子空心度和过盈量对轴承应力和额定载荷的影响。 |
