1) F-random structure
F-随机结构
1.
By using singular rough sets,this paper gives dynamic degree of confidence characteristic and el-ement transfer realization by probability,discusses the effects of element transfer realization by probability on the structure of rough sets,and proposes correlative theorems;The papers also explains the dynamic process using element transfer and gives F-random structure.
在S-粗集的基础上,给出元素迁移的信度特征及元素迁移的依概率实现,讨论了依概率的元素迁移对粗集结构的影响,并给出了相关定理;用元素迁移解释S-粗集的动态过程,给出了F-随机结构。
2) stochastic structure
随机结构
1.
Reliability analysis of stochastic structures based on probability density evolution method;
基于概率密度演化方法的随机结构可靠度分析
2.
Method for dealing with the stochastic structure based on full-probability;
基于完全概率的随机结构分析方法
3.
Dynamic reliability sensitivity analysis for stochastic structures under random excitations;
随机激励下随机结构动力可靠性灵敏度分析
3) random structure
随机结构
1.
Based on the classic reliability analysis method and the equivalent transformation from non-normal random variable to normal random variable, an iterative method is presented for confidence interval analysis of random structure response variable, which is the complicated or implicit function of the basic random variables in general cases.
基于经典的可靠性分析方法和非正态变量向正态变量的等价变换,提出了随机结构响应量置信区间估计的一种迭代方法,该方法可用于复杂响应量函数或隐式响应量函数的置信区间分析。
2.
Based on these results above, the confidence characteristic of one direction singular rough sets of function was given, and the random structure and the random theorem of one direction singular rough sets of function were presented.
利用这些结果,给出函数单向S-粗集的信度特征,提出函数单向S-粗集的随机结构与随机定理,得出函数单向S-粗集的结构是函数单向S-粗集的随机结构的特例,函数单向S-粗集的随机结构是函数单向S-粗集结构的一般形式。
4) random structures
随机结构
1.
This research presents a new stochastic element method to solve buckling eigenvalue problems for random variables of random structures under several probability distributions.
采用随机收敛的非正交的多项式展式表示未知的随机屈曲特征对,对随机结构的随机变量在服从多种概率分布情况下的屈曲特征值进行了研究。
2.
The analysis of elastic buckling of random structures using recursive stochastic finite element method(RSFEM)is presented.
采用随机收敛的非正交的多项式展式表示未知的随机屈曲特征值和屈曲模态,利用摄动技巧,建立了随机结构弹性屈曲的递推求解方法。
3.
A new spectral random finite element method——recursive random finite element method to deal with static analysis, free vibration and stability, etc of random structures was introduced.
研究了随机结构的静力、自由振动以及稳定问题的递推求解方法 ,显式地给出了基于随机场谱表示的有限元求解的近似表达。
5) stochastic structures
随机结构
1.
Strategy of selecting points via sphere of contact in probability density evolution method for response analysis of stochastic structures;
随机结构反应概率密度演化分析的切球选点法
2.
The extreme value probability density function based method for dynamic reliability assessment of stochastic structures;
随机结构动力可靠度分析的极值概率密度方法
3.
Approximate methods for dynamic reliability calculation of stochastic structures
随机结构动力可靠度估计算法的对比分析
6) random discontinuities
随机结构面
1.
According to a great deal of in-situ data of random discontinuities from field geological investigation in a large hydropower projectin Southwest China,NWW group joints at left bank and approximate EW group joints at right bank are used to be Stated.
在对西南某大型水电站坝区工程岩体结构的现场调查的基础上,选取左岸NWW组和右岸近EW组基体裂隙进行统计分析,统计表明,随机结构面间距和断距均服从负指数分布,而且两者之间存在一定的统计相关性,据此初步建立了随机结构面展布等价模型,并进一步提出了连通率估计方法,具有较高的实用性和推广价值。
补充资料：随机数和伪随机数
随机数和伪随机数
random and pseudo-randan numbers
随机数和伪随机数【喇间佣1 al川牌”山一喇闭..m.山娜;cJI了，a如曰e”nce，口oc月卿成.以叹“c月a】 数亡。(特别，二进制数:。)，其顺序出现，满足某种统计正则性(见概率论(probability Uleory)).人们是这样区别随机数(mndomn切mbe比)和伪随机数(PSeudo一mn由mn切mbe岛)的，前者由随机的装置来生成，而后者是用算术算法构造的.总是假设(出于较好或较差的理由)所得(或所构造)的序列具有频率性质，这些性质对于具有分布函数F(z)的某随机变量心独立实现的一个序列来说是“典型的”;因此人们称作根据规律F(习分布的(独立的)随机数.最经常使用的例子为:在区间【O，l]上均匀分布的随机数亡。，尸(亡。
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