查询词典 fatigue curve

The curve of fatigue crack growth rate is calculated, and the behavior of fatigue crack growth is simulated.

计算了疲劳裂纹扩展速率曲线，模拟了疲劳裂纹的扩展行为。

On the other hand, the mill housing works under pulsating load, so the fatigue damage can take place. With Miner formula and the P-S-N curve of the mill housing, fatigue life is predicted through being programmed in FORTRAN language.

另一方面，由于机架是在脉动载荷下工作，有发生疲劳破坏的可能，本文采用修正的Miner法则，结合机架的P-S-N曲线，通过FORTRAN语言编制程序，预测了机架的疲劳强度可靠性寿命。

It is successful to obtain the S-N curve by linear regression from the relative coefficient of low temperature fatigue experimental data. Different safety fatigue life can be estimated according to different safety probability.

从低温疲劳实验的相关系数可以看出，用线性拟合来回归中值S-N曲线是成功的，而且根据不同的安全概率，可以计算出不同的安全疲劳寿命。

With an ascending segment, the fatigue life curve tends to a constant. The fatigue life of the pavement increases nearly linearly with increasing thickness of subbase in a power function.

现行沥青路面设计方法中，通常先拟订面层厚度，以基层或底基层作为设计层，轴载次数的变化由基层或底基层的厚度调整。

Based on massive fatigue tests, dynamic curve of development of fatigue broken wire of wire rope is proposed.

本文在大量钢丝绳疲劳试验研究的基础上，提出了钢丝绳疲劳断丝数扩展动态曲线的概念。

While sustaining constant force, isometric muscular contraction, the initial past decreasing rate of medium frequency curve, the absolute value of the fitting straight line slope, was increased with the degree of the muscular fatigue. With this rate, it was possible to quantitatively judge the state of the muscular fatigue, reduce the physical consumption and muscular uncomfort of recipients.

在维持等长、恒力肌肉收缩时，f＿曲线初始段下降率（即拟合直线斜率的绝对值）随肌肉疲劳程度的增加而增加，因此希望能用f＿曲线初始段的下降率来定量判断局部肌肉疲劳的状态，以减少受试者的体力消耗和肌肉不适程度。

Finally, the fatigue strength or fatigue life of the frame is forecasted on the basis of the S-N fatigue life curve. A calculation example shows the validity of this method.

算例表明，采用该预测方法计算的高速列车转向架构架的疲劳强度与现有文献的结果一致。

These are references of theory and test for safety assess of reactors. The paper put forward the concept of decrease coefficient , and the actual calculation process of K〓 for forecasting the fatigue life of the structure. The research made it possible to forecast the fatigue life of damaged materials, and the prediction was based on the S-N curve from the fatigue test of the smooth material with controlled strain.

提出了疲劳寿命的减少系数K〓的概念，给出了计算K〓预测结构的疲劳寿命的具体过程，这一问题的研究使以平滑材料控制应变疲劳试验得出的S-N曲线图为基础来预测有损伤材料的疲劳寿命成为可能。

3 Fatigue strength analysis of WIG structure Combining the classical fatigue S-N curve with the theory of fracture mechanics the fatigue strength of some weak parts of WIG has been calculated.

产生影响的主要是结构的低阶频率，所以今后实验中如何排除弹性支撑刚度对结构低阶固有频率影响是今后实验中需要解决的问题。

Two types of single-ply materials, polyester cord reinforced rubber composite and rayon cord reinforced rubber composite, are firstly studied. The essential fatigue properties and rules under cyclic loading are obtained The fatigue mechanism was analysed in terms of fatigue life curve. This part of work lays foundation for catching the experiment information, analyzing the experimental results, confirming the influence factors and explaining the experimental phenomena.

作为试验基础，首先对聚酯帘线和人造丝帘线增强的橡胶复合材料单层板的疲劳进行研究，获得了橡胶复合材料在循环载荷下基本的疲劳特性和规律，并结合疲劳寿命图对疲劳损伤机理进行了分析，在试验信息获取、试验结果分析、影响因素确定、试验现象解释等方面为橡胶复合材料的疲劳研究奠定了基础。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。