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SIMULATIONS OF THE INTERACTING MAGELLANIC SYSTEM
GARDINER LANCE T.,NOGUCHI MASAFUMI The Korean Astronomical Society 1996 Journal of The Korean Astronomical Society Vol.29 No.suppl1
The Galaxy and the Large and Small Magellanic Clouds (LMC and SMC respectively) form a triple system of mutually interacting galaxies. We have carried out a set of N-body simulations on the gravitational interaction of the SMC with the Galaxy and the LMC in order to model prominent features such as the Magellanic Stream, the inter-Cloud Bridge, and the large depth of the SMC which are thought to be products of the tidal interactions among the members of this system.
Cellular Automata Modeling of Excitable Media and Star Formation in Irregular Galaxies
Trufus, Colin,Gardiner, Lance T. 선문대학교 첨단과학기술연구소 1996 첨단과학기술연구소 논문집 Vol.1 No.1
Complex systems 방법을 이용하여 excitable media의 현상을 묘사하고 소위 cellular automata (CA) 모델의 효용성을 설명하려한다. 특히 원형의 excitable media 문제인 Belousov-Zhahotinskii 방안은 보다 간단한 CA를 이용하여 시뮬레이션 할 수 있음을 보인다. 이와 비슷한 모델을 적용하여 불규칙한 은하계에서의 별의 생성 문제 에 대하여 밝힌다. 별을 생성하는 'cluster'의 예상한 진화를 도표를 이용하여 설명하고 천문학적 관찰의 결과와 동등할 것이라고 주장한다. A "complex systems" approach is taken to the problem of describing the behavior of excitable media. The utility of so-called cellular automata (CA) models is demonstrated, In particular the Belousov-Zhabotinskii reaction, the archetypal excitable media problem is shown to be well-modelled by a rather simple CA. A recent application of a similar such model by the authors to the problem of describing star formation in irregular galaxies is described. The predicted evolution of star-forming "clusters" is illustrated graphically and appears to be in qualitative agreement with astronomical observations.