Two-Dimensional Burgers Cellular Automaton
キーワード:
cellular automaton,
ultradiscrete method,
Burgers equation,
shock wave,
integrable,
particle model
2001 年 70 巻 8 号 p. 2267-2272
詳細
2001 年 70 巻 8 号 p. 2267-2272
In this paper, a two-dimensional cellular automaton (CA) associated with a two-dimensional Burgers equation is presented. The 2D Burgers equation is an integrable generalization of the well-known Burgers equation, and is transformed into a 2D diffusion equation by the Cole-Hopf transformation. The CA is derived from the 2D Burgers equation by using the ultradiscrete method, which can transform dependent variables into discrete ones. Some exact solutions of the CA, such as shock wave solutions, are studied in detail. The CA is considered as a pairing model of particles that move to different directions.
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