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- When the valid strain concentration factor is 1.3,the fatigue life calculated with the Coffin-Manson equation is conformant to the fatigue life from test rigs. 当取有效应变集中系数为1.;3时;根据Coffin-Manson公式;运用PALIO后桥用钢的应变疲劳性能计算得到的疲劳寿命与实际台架疲劳寿命相符。
- Strain Concentration Factor in Rotor Life Calculation 转子寿命计算中的应变集中系数
- Experimental Study on Stress and Strain Concentration Factor of Completely Overlapped Tubular Joints 完全叠接管节点应力应变集中因子的实验研究
- strain concentration factor 应变集中因子
- The stress triaxiality was a major mechanical factor which induced brittle fracture,and the strain concentration controlled the ductile fracture procedure. 应力三轴性是控制高强匹配和低强匹配接头脆性断裂的主要力学因素,而应变集中控制着中强匹配接头的延性蠕变断裂。
- In order to ascertain stress concentration factor of a member, the approximate expression of strain can be established in the region of stress concentration by using the elastic theory providing the member is predigested suitably. 摘要为确定构件应力集中处的应力集中系数,通过对构件简化后进行弹性分析,建立应力集中处的近似应变表达式。
- The results show that the acumination of the particle can result in stress concentration of the particle tip and strain concentration in the matrix. 结果表明,颗粒尖锐化会导致颗粒尖端应力集中和基体内的应变集中。
- Local strain concentration in angle-ply lay caused by transverse crack of circular lay in composite pressure vessel was studied by means of advanced shear-lag method. 利用改进的剪切滞后法,研究了组成纤维缠绕压力容器中的环向层的横向开裂而在纵向层中引起的局部应变集中。
- As found in Example 1, the stress concentration factor for the fillets is equal to 1. 78. 如例1中所求出的;圆角的应力集中系数等于1.;78。
- The aquatic could enrich the radioactive 89Sr. The maximum concentration factor was 94. 7 for snail, 36. 7 for fish and only 12-6 for honewort. 水生生物对放射性锶都有一定的浓集作用;最大的浓集系数;螺蛳为94.;7;鱼36
- The stress concentration factor (SCF) decreased with the increase of the width of plates when the hole diameter was definite. 结果表明:在开孔尺寸一定的情况下,随著板宽的增大,开孔损伤板的应力集中因数减小;
- The specific activity of 14C in new leaf appeared greatest value of 29656.59 Bq/g at 21d, with distribution percent reaching 86.34% and concentration factor (CF) reaching 5035. 新叶中14C比活度在第21d出现最大值(29656.;59 Bq/g);分布百分比达86
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Computational examples are presented, and the influence of wave number and wave incidence angle on dynamic stress concentration factor (DSCF) is discussed. 通过算例给出了浅埋圆孔动应力与入射波数、入射波角度的变化规律。
- The transition method of geometrically similar elem ent for computation the stress concentration factor of notch is proposed and some problems is computed by this method. 用该方法对几个问题进行了计算。
- All stress concentration factors so far presented in this book discussed the geometric or full theoretical values. 本书内所提到的全部应力集中系数都是几何的或纯理论值。
- According to experimental stress concentration factor data of tangential nozzle belt zone, a empirical formula is proposed by numerical analysis for calculating stress concentration factor in tangential nozzle belt zone. 从实测的接管环带区应力集中系数数据出发,对斜插接管环带区的应力集中系数进行了数值分析,提出了一个可为工程实际应用的估算公式。
- Numerical examples are provided to discuss the amplitude of displacement on the surface,as well as the dynamic stress concentration factor(DSCF) around the subsurface cavity and the homocentric hole. 通过理论求解,得出了问题的解析解答,文中最后给出了具体算例,讨论了地表位移幅值、浅埋圆孔及凸起所含圆孔的动应力集中系数。
- He finally break down under the four-hour's strain. 在四小时的压力下他终于支持不了。
- Finally, the stress concentration factors of different notches are calculated by using these formulae. 最后,利用该公式计算了弯曲载荷下切口的应力集中系数。