DIGITAL COMPUTER SIMULATION OF TURBULENT PHENOMENA
1965 年 1965 巻 123 号 p. 33-43
詳細
1965 年 1965 巻 123 号 p. 33-43
In almost all cases, phenomena we usually treat accompany with them a property of random variation. At the same time a majority of them is possesed of a characteristic of continuity. A simple way of simulation of random phenomena frequently used is a method of random walk or more generally the Monte Carlo method. In order to fulfill the second characteristic of continuity, the author proposes a modified method of simulation consisting essentially of the weighted sum of several groups of random number series, each of which has the different time length of duration and the R.M.S. intensity. Practical procedures are described to put the technique into operation by a digital computer. Mathematical representations of the correlation and spectrum functions for the proposed model are derived.
Statistical analyses by the method of Tukey and Blackman of a thus composed random phenomenon are given to show the correctness and availability of the technique.
