On a numerical bifurcation analysis of a particle reaction-diffusion model for a motion of two self-propelled disks

On a numerical bifurcation analysis of a particle reaction-diffusion model for a motion of two self-propelled disks
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两个自驱动圆盘运动的粒子反应扩散模型的数值分岔分析

DOI:
10.1007/s13160-021-00498-4
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发表时间:
2022
影响因子:
0.9
通讯作者:
Nagayama Masaharu
Nagayama Masaharu
中科院分区:
数学4区
文献类型:
--
作者:
Yasugahira Yusuke;Nagayama Masaharu

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使用数学模型的理论分析通常用于理解自推进系统中集体运动的机制。在樟脑圆盘实验系统中,由于两个樟脑圆盘的相互作用,观察到了几种特征运动。本文通过对一个数学模型的数值分岔分析,揭示了两个自航体相互作用引起的运动的产生机理。最后,它也表明,不规则运动,这是一个特征的运动,是混沌运动,它产生的周期分岔现象和准周期运动由于环面分岔。
Theoretical analysis using mathematical models is often used to understand a mechanism of collective motion in a self-propelled system. In the experimental system using camphor disks, several kinds of characteristic motions have been observed due to the interaction of two camphor disks. In this paper, we understand the emergence mechanism of the motions caused by the interaction of two self-propelled bodies by analyzing the global bifurcation structure using the numerical bifurcation method for a mathematical model. Finally, it is also shown that the irregular motion, which is one of the characteristic motions, is chaotic motion and that it arises from periodic bifurcation phenomena and quasi-periodic motions due to torus bifurcation.
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