另外，通过统计检验，验证线性累积损伤也服从正态分布。
In addition, it is proved that the lineal cumulative damage also observes the normal distribution by means of statistical testing.
此外，利用线性累积损伤法则对蠕变-疲劳寿命进行了预测。
In addition, a linear damage summation method is chosen to predict creep fatigue lifetime.
因此，新定义的疲劳损伤阀值与线性累积损伤之间在分布形态上是一致的。
Therefore, the distribution configuration of the fatigue damage threshold is the same as the distribution configuration of lineal cumulative damage.
结果表明，在不同应力水平下，推进剂的累积损伤基本符合线性累积损伤规律。
The results show that the cumulative damage of propellants under the different stress levels agrees with linear rule.
本文根据线性累积损伤理论，给出了农机焊接件在谱载荷作用下的寿命估算方法。
According to the linear cumulative damage theory, a method for estimating life for welding structure of farm machinery acted under load spectrum is given.
以不同应力水平下的破坏率相等进行损伤等效转换出发，建立了新的非线性累积损伤模型。
A new non-linear accumulate damage model was derived from the concept of equal failure probabilities under different stress levels.
结果表明，如按一定方式分解复合循环波形，则利用线性累积损伤规律能较准确地预测复合循环疲劳寿命；
The results showed that if combined cyclic waves were with decomposed certain methods, the fatigue life can be accurately predicted by using the linear accumulative damage rule;
由该图可以看出，绝大多数试验点落在线性累积损伤线上侧，表明在本文试验条件下，P91钢母材和焊材蠕变疲劳交互作用均表现为负交互作用。
From the curves we can see that most of the experiment results are above the linear cumulative damage curve, it indicates that the steel P91 is negative interaction under the condition of this thesis.
试验结果表明，焊缝金属具有比较好的塑性变形能力，焊缝的损伤值与材料的累积塑性应变呈线性关系。
The experimental results showed that weld metal had enough plastic deformation capacity, and its damage value was linear with the cumulative plastic strain.
采用随机波浪谱和线性疲劳累积损伤理论对导管架式海洋平台在波浪荷载作用下的疲劳可靠性进行研究。
The linear fatigue of the jacket structure was evaluated by using wave spectrum analysis theory and theory of linear cumulative damage.
一般的线性损伤累积理论忽略了高频率低疲劳应力所引起的构件疲劳损伤，致使预测结果与实际寿命相差很大。
But the common linear fatigue damage cumulative rule neglects the fatigue damage which is brought by the high frequency and low stress.
获得了用电阻变化测量疲劳损伤的公式，应用计及疲劳极限和循环应力幅影响的非线性累积疲劳损伤模型，给出了金属材料疲劳损伤的剩余寿命预测公式。
By using the nonlinear cumulative fatigue damage model considering the influence of the fatigue limit and the cyclic stress amplitude, the remaining life formula of the.
在考虑加载历史对疲劳寿命的影响下，建立了描述混凝土累积损伤的非线性模型；并根据损伤等效原理给出了混凝土疲劳剩余寿命的预测方法和步骤。
Taking into account of the effect of loading history, a new nonlinear cumulative damage model is established and the steps to predict remaining fatigue life with the model is given.
在考虑加载历史对疲劳寿命的影响下，建立了描述混凝土累积损伤的非线性模型；并根据损伤等效原理给出了混凝土疲劳剩余寿命的预测方法和步骤。
Taking into account of the effect of loading history, a new nonlinear cumulative damage model is established and the steps to predict remaining fatigue life with the model is given.
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