同时，该方法不仅可以运用到转轮的疲劳强度分析中，也可以运用到其它部件的疲劳强度计算中。
This method not only can be used the calculations of Francis runners but also can be used the other calculations of parts.
在建立了车辆驾驶室疲劳强度计算的力学和数学模型基础上，提出了车辆驾驶室疲劳强度研究方法。
A model of calculation for vehicle cab is established. A study method for vehicle cab fatigue strength is given.
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。
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.
论文以CRH_2动车组拖车轮对和轴箱为研究对象，进行疲劳强度计算分析，以期望为我国高速动车组标准的制定提供依据。
The thesis researched the wheelset and axle-box fatigue strength of CRH_2 trailer and expected that the results could be valuable for establishing the standards of high-speed EMU.
通过计算举例，指出CYJ10—3—53B型抽油机存在曲柄销疲劳强度偏低的问题。
The author asserts that the examples of calculation Show a somewhat low fatigue strength for the crankpin of CYJ10—3—53B pumping units.
轴承负荷及曲轴疲劳强度的计算均按简支梁进行。
The bearing loads and crankshaft fatigue strength are calculated according to the principle of a simple beam.
本文给出了构件振动时不发生共振及疲劳强度的可靠性计算方法。
A calculating method of a vibrating structural components' reliability, which includes the reliability of fatigue strength and that of resonance avoiding, are proposed.
并采用接触分析法对螺栓的应力应变进行了三维有限元计算，对螺栓的疲劳强度进行了校核。
The 3-d finite element model of bolt is calculated by the method of contact analysis, and the fatigue strength of bolt is checked.
对井架进行了稳定性、静强度和疲劳强度设计计算。
Stability, static loads and fatigue life on a derrick are calculated in designing.
结合大功率柴油机提升功率的数值计算工作，介绍了评估气缸盖螺栓强度的两种方法：静强度分析法和疲劳强度校核法。
According to the numerical simulation of heavy-duty diesel engine to raise power, two methods to assess the strength of cylinder head bolt, static calculation and fatigue stress check, are introduced.
对拖船螺旋桨来说，除了应计算系桩状态的静态强度外，还应计算自由航行状态的疲劳强度。
As for a propeller of a tugboat, it is necessary to calculate the fatigue strength in the self running state as well as the static strength in the bollard state.
同时又对滚子端面的小型推力球轴承推导出接触应力、疲劳强度和静载强度的计算公式。
Also, the calculation formula of the contact stress, the fatigue strength and the static strength for the small thrust bearing which are attached at the end face of roller are derived.
分析得到疲劳寿命概率分析方法和初始强度概率分析方法计算疲劳强度标准值具有一致性；
At the same time the conclusion that the method of calculating the characteristic value of concrete fatigue strength using fatigue life agrees to that using initial strength is presented.
本文指出，根据有限寿命疲劳强度安全系数法设计出的零件仍然有可能屈服失效。作者建议用寿命计算法和图解估值法代替现有的安全系数法。
This paper indicates that the components, which are designed according to the safety factor method of fatigue strength for the finite life, can also be yielded.
该系统由曲轴设计计算、参数化设计、圆角疲劳强度校核、工程图输出和数据库五部分组成。
The system consists of calculating of design, parameterized design, intensity checking of round, outputting of drawings and database.
首次把感应淬火所产生的残余应力添加到了曲轴的模型里，计算了淬火前后的疲劳强度与寿命。
For the first time, the paper adds residual stress produced by hardening to the model. Then prequench crankshaft and postquench crankshaft are fatigue analyzed.
利用此公式计算齿面接触疲劳强度可使船用齿轮的设计更合理，更安全。
The designing according to the amendatory formulas will make the Marine gearing of ship become more reasonable and safer.
本文论述了转轴可靠性理论，并以实际算例对电机轴的疲劳强度进行了可靠性计算。
This paper aims to discuss the fundamental theory about reliability of rotation shaft, as an example, the fatigue strength of electrical machine shaft has been calculated.
最后，根据起重机车轮的工作应力和疲劳强度的概率分布，采用疲劳可靠性设计方法，对车轮进行了分析计算。
Lastly, using fatigue reliability design method, this paper analyses the crane wheel according to the probability distribution of its working stress and fatigue strength.
减速器中齿轮通过齿面接触疲劳强度来计算，通过齿根弯曲疲劳强度验算；
The speed reducer gear tooth surface through contact fatigue strength to calculate, through the tooth root bending fatigue strength check;
减速器中齿轮通过齿面接触疲劳强度来计算，通过齿根弯曲疲劳强度验算；
The speed reducer gear tooth surface through contact fatigue strength to calculate, through the tooth root bending fatigue strength check;
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