Graph dynamical networks for forecasting collective behavior of active matter

被引:1
|
作者
Liu, Yanjun [1 ]
Wang, Rui [1 ]
Zhao, Cai [2 ]
Zheng, Wen [1 ,3 ]
机构
[1] Taiyuan Univ Technol, Coll Data Sci, Inst Publ Safety & Big Data, Taiyuan 030060, Peoples R China
[2] Taiyuan Univ Technol, Ctr Informat Management & Dev, Taiyuan 030060, Peoples R China
[3] Changzhi Med Coll, Ctr Hlth Big Data, Changzhi 046000, Peoples R China
关键词
active matter; graph network; improvement of Vicsek; collective motion;
D O I
10.1088/1674-1056/ac7cce
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
After decades of theoretical studies, the rich phase states of active matter and cluster kinetic processes are still of research interest. How to efficiently calculate the dynamical processes under their complex conditions becomes an open problem. Recently, machine learning methods have been proposed to predict the degree of coherence of active matter systems. In this way, the phase transition process of the system is quantified and studied. In this paper, we use graph network as a powerful model to determine the evolution of active matter with variable individual velocities solely based on the initial position and state of the particles. The graph network accurately predicts the order parameters of the system in different scale models with different individual velocities, noise and density to effectively evaluate the effect of diverse condition. Compared with the classical physical deduction method, we demonstrate that graph network prediction is excellent, which could save significantly computing resources and time. In addition to active matter, our method can be applied widely to other large-scale physical systems.
引用
收藏
页数:7
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