1) stochastic boundary shape
随机边界形状
2) random boundary
随机边界
1.
Under the random boundary excitation, the soil seismic response varying with wave impedance ratio, wave speed ratio, the depth of layered soil and damping coefficient were discussed.
将地震激励假定为白噪声谱,在随机边界激励下,主要探讨了土层与基岩2种介质间的波阻抗比、波速比、土层厚度和阻尼特性对土层地震反应的影响。
3) boundary shape
边界形状
1.
The method of determining OOIP, gas - bearing area, boundary shape, well location and vertical fracture length for the closed isochoric oil reservoirs is proposed using combined solution of the nonsteady state equation and the pseuosteady state equation of pressure drawdown curves.
对于定容封闭的油藏,使用压降曲线非稳态与拟稳态方程的联解,提出了确定定容油藏的原始地质储量、含气面积、边界形状、井处位置和垂直裂缝长度的方法。
2.
Regarding the separate boundary shape of elastic structures as random variables, stochastic equations and boundary conditions that govern eigenvalue problems are set up.
建立边界形状分段随机的结构特征值问题的随机微分方程和边界条件,利用摄动技术和广义函数的性质,将随机边界条件问题变为确定的边界条件问题,形成了求解随机边界形状结构特征值的摄动随机有限元方法。
4) stochastic boundary element method
随机边界元
1.
Based on the additional information such as displacements or stresses provided at several internal or boundary points in the structure,combined with stochastic boundary element method and optimization technique,the basic model of the prediction of the structural reliability by inverse analysis of boundary element method is presented in this p.
本文利用随机边界元法与非线性优化技术相结合，根据弹性体内或边界上的位移、应力等附加信息，建立了结构可靠性预测的边界元逆分析法的基本模型，算例证明了该理论的有效
5) stochastic frontier approach(SFA)
随机边界法
1.
By using the panel data of Chinese urban public transport industry over the period 1999-2004,this paper investigates the technical efficiency of the Chinese urban public transport industry through stochastic frontier approach(SFA) which is based on the Cobb-Douglas production function.
本文选取1999-2004年间中国城市公共交通行业的面板数据,在Cobb-Douglas函数的基础上运用随机边界法对我国城市公共交通行业的技术效率进行了考察,并从时间、地域、交通工具类型和客运规模方面,分析了该行业的效率差异及其产生原因,旨在为该行业的未来发展和管制改革提供决策依据。
6) random shape
随机形状
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