A random cellular automaton related to the noisy Burgers equation

A random cellular automaton related to the noisy Burgers equation
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与噪声 Burgers 方程相关的随机元胞自动机

DOI:
10.1016/s0378-4371(98)00299-4
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发表时间:
1998
影响因子:
3.3
通讯作者:
B. Kahng
B. Kahng
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
H. Emmerich;B. Kahng

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我们从嘈杂的 Burgers 方程中推导出随机元胞自动机 (CA) 模型。该推导方法是 Tokihiro 等人提出的一种称为“超离散化方法”(UDM)的非解析限制程序。 (《物理学评论快报》76 (1996) 3247)。特别注意噪声项。本文的目的是提出一种随机 CA 模型,该模型可以作为起点,在 CA 的基础上理解从触发混沌的确定性进化方程(如 Kuramoto-Shivashinsky (KS) 方程)到等效随机大规模描述的精确机制。我们研究我们的 CA 模型,以确保它属于与噪声 Burgers(以及 KS)方程本身相同的普遍性类别。
We derive a random cellular automaton (CA) model from the noisy Burgers equation. The method for that derivation is a nonanalytic limiting procedure called ‘ultra-discretization method’ (UDM) proposed by Tokihiro et al. (Phys. Rev. Lett. 76 (1996) 3247). Special attention is paid to the noise term. It is the intention of this paper to propose a random CA model which could be used as a starting point to understand on a CA basis the precise mechanism leading from deterministic evolutionary equations which trigger chaos such as the Kuramoto–Shivashinsky (KS) equation to equivalent stochastic large-scale descriptions. We investigate our CA model to ensure that it belongs to the same universality class as the noisy Burgers (and thereby also KS) equation itself.
超离散 Painleve 方程
DOI: --
发表时间: 2016
期刊:
影响因子: --
作者:
Bin Li;Yoshiro Higano;Masataka Kanki
通讯作者: Masataka Kanki