pseudorandom number

According to the random dynamics,multi-body systems dynamic,statistics theories,and with the help of simulation software of MSCAdams and MATLAB,the concept of stochastic virtual prototyping model is brought up for the first time.

依据随机动力学、多体系统动力学和数理统计理论,借助MSC\Adams仿真软件和MATLAB工具,提出随机虚拟样机的概念。

A virtual stochastic process is constructed so that the basic random variable becomes the value of the stochastic process at certain instants of time.

在此方法中,构造一个与基本随机变量相关的虚拟随机过程,使得基本随机变量成为该随机过程的截口随机变量。

To obtain the probability density of the extreme value of the stochastic structural response, a virtual stochastic process, of which the extreme value response is the sectioned random variable, is firstly constructed.

基于概率密度演化的基本思想,构造一个虚拟随机过程,使得随机结构动力反应的极值为该虚拟随机过程的截口随机变量。