1) random load
随机荷载
1.
Structural responses to random load and coherent scale;
随机荷载的结构响应与相干尺度
2.
Under the consideration of the random property of physical parameters of strucral material and its loads, computing expression of numerical feature of dynamic response is developed and a solving process of dynamic response analysis for structure with randion parameters under random loads is advanced.
研究了结构动力响应的概率分析方法 ,推导了结构物理参数和作用荷载幅值同时具有随机性时结构动力响应随机变量的数字特征的计算表达式 ,提出了随机荷载激励下随机参数结构动力响应分析的求解方
3.
Strength degradation model is applied for predicting shear fatigue life of asphalt mixture under random loading spectrum.
使用强度退化模型预估随机荷载谱下的沥青混合料剪切疲劳寿命,其结果与实验结果相近。
2) random loads
随机荷载
1.
An optimization design method for the random parameters structure based on general reliability is proposed, and the general reliability expressions of the random parameters truss constrained by a kind of fuzzy allowance under random loads are derived.
导出了随机荷载作用下以模糊许用值为条件的结构广义可靠度计算公式;建立了以杆截面为设计变量、结构重量均值为目标函数、结构模糊位移和单元模糊强度广义可靠度为约束条件的优化数学模型;通过引入罚函数,将原广义可靠性约束优化问题转化为无约束优化问题,利用遗传算法求解。
2.
This paper deals mainly with the analysis method of the finite element and reliability for truss structures with random parameters under random loads action.
对随机参数桁架结构在随机荷载作用下的有限元分析方法进行了研究。
3.
Through the Normal tail transformation the various non--Normal random loads acting upon structure are equivalent to the Normal type, and then by using the invariance with which the linear elastic structures respond to the Normal load, the reliability constraints of displace- ment and stress are equivalently treated as conventional formsl.
文中提出了一种在随机荷载作用下结构可靠性约束显式化的优化设计方法。
3) random loading
随机荷载
1.
This paper discusses the characteristics of random loading and basic assumption of structural elastic-plastic limit analysis It analyzes random elastic-plastic limit of rectangle beam bending under random loading effect It gives relatively the static and dynamic methods for elastic and plastic limit computation and points out that the result is significant in structural optimizatio
讨论了随机荷载特性与结构弹塑性极限分析的基本假设 ,基于机动法和静力法 ,对矩形截面梁的随机弹塑性极限分析进行了研究 ,其结果对结构随机优化设计具有重要意义。
2.
A statistical model of fatigue crack propagation under random loading is proposed.
根据断裂力学和随机过程理论,提出了一个随机荷载作用下疲劳裂纹扩展的统计模型。
3.
Probability density evolution method for the analysis of linear stochastic structural static response under random loading is proposed.
提出了随机荷载作用下随机结构线性静力反应的概率密度演化方法 。
4) stochastic load
随机荷载
1.
Based on the extended Kalman filter,an identification method on physical parameters of bridge structures subjected to stochastic loads is proposed.
基于广义卡尔曼滤波提出了随机荷载作用下桥梁结构物理参数的识别方法。
5) stochastic loads
随机载荷
1.
For this purpose,several assumption are pre-determined, including a close relationship between the average and stochastic loadsof a single pick.
截齿的载荷是确定连续采煤机截割工况和研究其截割性能的依据,根据对连续采煤机截割滚筒结构特殊性和工作条件复杂性的分析,通过假设单个截齿平均载荷与随机载荷的关系、截齿的受力分布类型以及硬质包裹体的接触概率,利用叠加原理,建立了在复杂煤层截割时,连续采煤机上处于截割断面不同位置的截齿的随机载荷的数学模型。
2.
On the foundation of the theory which is about the single pick's average load, analyzed loads's probability distribution and relevance when a single pick cuts various coal rock, on this basis, Utilizing the stochastic process theory ,set up the mathematical model about the single pick's stochastic loads.
本文在单齿平均载荷理论的基础上，分析了单齿截割各种煤岩时载荷的概率分布和相关性，在此基础上，利用随机过程理论，建立了单齿随机载荷的数学模型。
6) Random Load
随机载荷
1.
Simulation study of random loads on a cutting head of roadheader;
掘进机截割头随机载荷的模拟研究
2.
Statistics analysis and simulation of random loads for bridges;
桥梁随机载荷数据采集和数值模拟
3.
Model to realize the remote parameter control of random load;
随机载荷的远程参数控制实现的模型
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