The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
With the welding spot fatigue lifetime pre-estimation method, by combination of the finite element analysis and stress calculation, the welding spot fatigue damage under actual load can be calculated.
采用焊点疲劳寿命预估方法，通过有限元分析并结合应力计算，即可计算出实际载荷工况下的焊点疲劳损伤。
The thought of this paper is to discuss on and analysis to dynamic response of HSMS under impact load, and estimate its mean life based on noted stress fatigue design method.
本文的主导思想是讨沦和分析冲击载荷下螺旋弹簧质量系统的动态响应，并应用名义应力疲劳设计方法估计其平均寿命。
Results When continual stress got together to act on tibia bone which exceed its physiological load tibia bone will fatigue, then fatigued fracture will take place.
结果持续高强度应力积累作用于胫骨超过生理载荷能力时，即会出现胫骨疲劳，继而发生胫骨疲劳骨折。
Three variables as temperature, load frequency and stress ratio are the critical parameters affecting fatigue crack growth behaviour in metallic material.
温度、载荷频率和应力比是影响材料疲劳裂纹扩展行为的主要因素。
Fatigue property of lean concrete should be studied when the material is set as base course since it withstands the repeated actions of load stress and temperature stress.
贫混凝土用于路面基层时，由于受到荷载应力和温度应力的反复作用，需研究其疲劳特性。
The stress concentration analysis was done by the finite element method and boundary element method. The fatigue strength and the strength under the static load were calculated.
对螺纹槽管进行了疲劳强度计算，并采用边界元和有限元法对螺纹槽管的应力集中进行了数值分析及静载强度计算。
Static stress field can be reliably applied to analyse initiation and extension of contact fatigue cracks under motive load.
证明了用静应力场分析动载下接触疲劳裂纹形成与扩展的可靠性；
Finally, this study analysised the asphalt mixture fatigue damage evolution process of stress control mode and established a relationship between unit load fatigue damage rate and the fatigue life.
最后，本研究分析了应力控制模式下沥青混合料疲劳试验过程中的损伤演化规律，建立了单位加载疲劳损伤率与疲劳寿命之间的关系式。
When the load is the stress cycle, the mechanical properties of materials caused by the deterioration process is known as fatigue damage.
当荷载是循环往复应力时，引起的材料力学性能劣化过程称为疲劳损伤。
The application results show that laser welding can meet higher strength stress demands for those fatigue load parts, such as intake and exhaust valves, timing gear, suspension equipment.
应用结果表明：对于进排气门、正时齿轮和悬架装置等承担疲劳载荷的零部件，激光焊接可满足其较高的强度要求；
There are two kinds of load controlling mode for asphalt mixture fatigue testing-stress controlling mode and strain controlling mode.
沥青混合料疲劳试验的荷载控制模式有应力控制和应变控制两种。
To improve this I made a modification from two sides: to increase the fatigue limitation of shaft and to decrease dynamic-load stress.
对此，在提高轴头疲劳极限和降低变应力两方面采取了相应的改造措施。
Through laboratory test, the fatigue property of different high bending strength pavement concrete is studied, which is contrasted with different concrete under the same stress level and load.
通过室内试验研究了不同种类高抗折强度路面混凝土的疲劳性能，并在相同应力水平以及相同荷载作用下与不同类型混凝土的疲劳性能进行了对比分析。
The Mechanical properties of glass fiber filament yarn are presented in this paper, especially the stress-relaxation property and the fatigue property under a cyclic load.
本文对玻璃纤维长丝纱的机械性能做了较全面的讨论。
The uneven distribution of loading, the clamping damage and the stress concentration were thought to be the three key factors influencing the fatigue test of steel strand with pulsating tensile load.
受力不均、夹持损伤和应力集中是影响钢绞线脉动拉伸疲劳试验的三个关键问题。
In This paper, the method of local stress and strain was used to predict the fatigue life of bus body parts under high cycling load.
本文以大客车车身典型零件为研究对象，采用局部应力应变法预测承受高周载荷零构件的疲劳寿命。
The fatigue tests were performed at room temperature and cyclic strain and stress ratio of 0.1 with triangle load wave.
实验温度为室温，循环应变比和应力比均为0.1，载荷波形为三角波。
The fatigue tests were performed at room temperature and cyclic strain and stress ratio of 0.1 with triangle load wave.
实验温度为室温，循环应变比和应力比均为0.1，载荷波形为三角波。
应用推荐