利用隶属函数可以确定模糊区内的断裂失效概率。
Using the membership function, the fracture probability in the fuzzy region can be determined.
从而边进行结构分析，边进行失效链失效概率计算。
Moreover, the generation of the probable failure chain and the calculation of the failure probability may be simultaneously accomplished.
利用这种设计计算方法还可以预测曲柄销的失效概率。
This method can also be used to predict the failure probability of the crank pin.
推导了基于零件条件失效概率分布的共因失效概率模型；
A model for common cause failure probability was derived based on the distribution of the conditional failure probability of components.
结构可靠度分析的核心是计算预定义功能函数的失效概率。
Structural reliability analyses seek to calculate the failure probability of a predefined performance function.
第4章提出了两种管道失效概率计算方法，是研究的重点之一。
The 4th puts forward two calculation methods for pipeline failure probability, which is one of the study emphases.
并计算了与防水煤柱有关的可靠度指标、失效概率和安全系数。
This paper calculates reliability index, lose efficacy probability and safety coefficient corresponding to the width of different barrier pillar.
初始缺陷和强度参数为设计变量，采用一阶矩法计算单元层的失效概率。
The initial imperfection and the strength parameters are considered as random variables. Ply-level failure probability is evaluated by the first order reliability method.
以脱轨系数为依据判断列车能否正常行驶，采用响应面法求解失效概率。
Coefficient of derail is used to judge whether a train is in the normal running state or in derail state.
中心设计系数是径向固结系数变异系数的减函数，而是失效概率的增函数。
The central design coefficient is decreasing function of coefficient of variation of horizontal coefficient of consolidation, and increasing function of probability of failure.
中心设计系数是竖向固结系数变异系数的减函数，而是失效概率的增函数。
It is found that the central design coefficient is a decreasing function of the variation coefficient of vertical consolidation coefficient and is an increasing function of probability of failure.
连续板的失效概率应为荷载出现概率和相应荷载作用下的失效概率乘积的总和。
The failure probability of the continuous slab is the sum of the product of load-appearance probability and the failure probability under the action of the corresponding load.
本文主要介绍一种新的结构体系失效概率近似计算的方法——条件概率降维法。
This paper mainly introduces a new method to approximating the failure probability of structural systems and the method is defined as dimensions reduction method by conditional probability.
由于无需进行模式间相关性的近似分析，因而提高了系统失效概率的计算精度。
Because there is no need to determine the correlation of failure modes approximately, the precision of analysis can be raised.
并通过对结构体系的失效概率直接进行调整，实现对现役结构可靠度的维修设计。
We achieve the maintenance design for existing structural reliability by direct adjusting the failure probability of a structural system.
基于极限状态函数矩估计的失效概率计算，提出一种新的可靠性灵敏度分析方法。
Based on the moment estimation of limit state function for calculation of failure probability, a new reliability sensitivity analysis method is presented.
采用改进的一次二阶矩法对腐蚀管道的可靠性指标和失效概率进行了分析和计算。
The advanced first order and second moment iterative method are employed for calculation on reliability index and failure probability.
提出了结构关键件功能失效概率、单机功能失效概率和机群功能失效概率的概念。
Notions of probability of structural function failure, probability of function failure for one aircraft and probability of function failure for a fleet are presented.
二维正态分布函数值的计算是估算串联结构体系失效概率上、下限的一项重要内容。
It is an important aspect to compute the two dimensional distribution in estimating the bounds of failure probability of series structures.
依混凝土保护层碳化失效概率，提出了既有混凝土桥梁耐久性预测的一种简便方法。
According to the failure probability on carbonization of the concrete cover, a simple method of durability prediction is proposed for the existing concrete Bridges.
通过最小化系统的致命失效概率，可得出在系统资源备份一定时的最佳指令重试时间。
By minimizing the fatal failure probability, the optimal instruction-retry time can be obtained under the condition that the resource backup is set.
本文对可靠性设计中应力—强度干涉模型的干涉面积就是失效概率的观点，提出商榷。
The viewpoint that the interference area of the stress - strength interference model in reliability design is the probability of failure is discussed in this paper.
当缺少荷载出现概率资料时，本文采用在各种荷载位置作用下结构失效概率的最大值。
When there is not any information of load-appearance probability, approximately applied in this paper is the maximum value of the probability of structural failure under the action of various loads.
针对状态具有模糊性的广义可靠性分析问题，提出一种广义失效概率计算的线抽样方法。
For general reliability analysis with fuzzy failure and safety state, line sampling method is presented to calculate general failure probability.
多数情况下，对机械零件的模糊失效概率模型用解析法求其模糊失效概率是极其困难的。
It is mostly very difficult to calculate fuzzy failure probability of mechanical parts by using analytical method according to the model of fuzzy failure probability.
一种情况是在给定总投入条件下使并联子系统失效概率最小，这是互为对偶的两个问题。
One case is to minimize the total sum of its construction cost and loss expectation under predetermined reliability of the parallel subsystem.
针对疲劳裂纹扩展寿命失效概率计算的复杂性，提出基于神经网络响应面的可靠性分析方法。
In response to the complexity of calculation for failure probability regarding fatigue crack growth life, a method for reliability analysis based on neural network response surface was presented.
首先介绍了安全仪表系统在实际应用中的需求以及安全仪表系统的硬件失效概率评估的必要性。
Firstly, this paper brings out the requirement of the Safety Instrument System in practical application and introduces the necessity of the PFD evaluation for SIS.
子集模拟法在计算结构动力可靠度时适用范围较广，针对非线性结构小失效概率的计算效率较高。
Subset simulation is a general method for structural dynamic reliability computation, and it is especially efficient for small failure probability computation of nonlinear structure.
以某水文站实测的年最高洪水位为例，对现有堤防在不同的设防标准下漫顶失效概率进行了分析。
As an example, the overtop failure probability of a dike under different floodwater standards is analysed using measured annual maximum flood level at a hydrological station.
应用推荐