摘要
Two models of molecular cloud in disk galaxies are proposed to investigate the formation of giant molecular clouds (GMCs) under the gravitational instability and random collision using PP(Particle Particle) simulation. Some conclusions can be drawn: 1) The gravitational instability can make small clouds form large clouds faster than random collision. 2) The differential rotation in the gravitational instability model plays a positive role in the agglomeration of molecular clouds.
Two models of molecular cloud in disk galaxies are proposed to investigate the formation of giant molecular clouds (GMCs) under the gravitational instability and random collision using PP(Particle Particle) simulation. Some conclusions can be drawn: 1) The gravitational instability can make small clouds form large clouds faster than random collision. 2) The differential rotation in the gravitational instability model plays a positive role in the agglomeration of molecular clouds.
出处
《北京师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2000年第2期218-220,共3页
Journal of Beijing Normal University(Natural Science)
基金
国家自然科学基金资助项目!(198730 13)
关键词
巨分子云
引力不稳定性
数值模拟
聚合形成
giant molecular cloud
gravitational instability
numerical simulation
