1) general failure probability
广义失效概率
1.
For general reliability analysis with fuzzy failure state and fuzzy safety state, moment method is proposed to calculate general failure probability.
针对失效状态和安全状态具有模糊性的广义可靠性分析问题,提出了一种广义失效概率计算的矩方法。
2.
During the simulation procedure,the importance sampling function,from which the samples for evaluation of the general failure probability are taken,is gradually optimized by Metropolis rule in the simulated annealing method.
由于基本变量和失效状态均含有模糊不确定性,因此所提算法在构造重要抽样函数时考虑了两个因素的影响,其一是基本变量的等价联合概率密度函数,其二是状态变量对模糊失效域的隶属函数,从而使得对广义失效概率贡献大的样本出现的概率较大,提高了抽样效率和计算精度。
3.
A general failure probability simulation and deviation evaluation methods were presented for fuzzy safety state and fuzzy failure state.
提出了安全与失效状态含有模糊信息时,广义失效概率计算的数值模拟,及相应的方差估算,并提出了对应的数值积分方法。
2) failure probability
失效概率
1.
Assessment method for failure probability of corroded pipeline;
腐蚀管线失效概率的评定方法
2.
A fast efficient procedure for computing failure probability of uncertain structural systems;
结构体系失效概率计算的一种快速有效方法
3.
Lagrange Method for the Calculation of the Failure Probability of the Pressure Vessels Containing Surface Cracks;
含表面裂纹压力容器失效概率计算的Lagrange方法
3) probability of failure
失效概率
1.
Taking the toe debris present in a single pile for example,the probability of failure of the pile considering the possibility of toe debris presence is formulated by integrating the probabilities of failure for an intact pile and a pile.
以单桩桩底可能出现的沉渣缺陷为例,采用全概率理论将完整桩的失效概率和桩底含有沉渣的桩的失效概率有机地结合起来,得到了单桩的失效概率。
2.
The method may receive more accurate index of reliability and probability of failure,but its efficiency is not high,must improve to sampling methods.
介绍了结构可靠性的基本原理和基本分析方法,利用ANSYS中的可靠性分析工具——Probabilistic Design,对框架结构的可靠性进行了分析,实例证明:该方法可得到比较精确的可靠度指标和失效概率,但是其效率不高,需要对其抽样方法进行改进。
3.
The annual probability of failure for new slopes is deduced;and an approach is presented to predict the annual probability of failure for existing slopes within next service time.
推导了新建边坡在未来服役时间内的年失效概率的计算公式,并对现役边坡在未来服役时间内的年失效概率进行了预测。
4) Invalidation probability
失效概率
1.
Based on this, the invalidation probability of the storage battery group can be calculated and its distribution function F(t) is in accorda.
据此可以算出蓄电池组的失效概率,并得到其分布函数F(t)是服从两参数指数分布的。
2.
The author estimates invalidation probability of mechanism facility when the distributing function of strength and stress is known.
可靠度的估计是可靠度分析中重要问题,本文分析当强度、应力的分布函数未知时,估计机械设备失效概率。
5) probability of failure spots
失效点概率
6) small failure probability
小失效概率
1.
Subset simulation is a general method for structural dynamic reliability computation,and it is especially efficient for small failure probability computation of nonlinear structure.
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。
补充资料:爆破失效
分子式:
CAS号:
性质: 以大变形理论为依据,考虑到材料达到屈服以后,有明显的变形并有应变硬化现象,因而以爆破压力作为容器承载的极限状态并称为爆破失效。
CAS号:
性质: 以大变形理论为依据,考虑到材料达到屈服以后,有明显的变形并有应变硬化现象,因而以爆破压力作为容器承载的极限状态并称为爆破失效。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条