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星系密度波的线性增长
唐泽眉
Source Publication应用数学和力学
1983
Volume4Issue:2Pages:233-237
ISSN1000-0887
Abstract本文以线性密度波局部渐近解为初值,求解二维非定常流体力学方程组和泊松方程,研究星系密度波的线性增长.数值计算结果表明,线性密度波将在几千万年时间内增长到与基态同量级,形成在中心区域具有棒形结构的螺旋图样.螺旋结构的图样速度及扰动密度的增长率随空间位置及时间变化.讨论了准稳螺旋结构假设的近似性.
Keyword密度波 星系中心 螺旋结构 线性增长 渐近解 基态模型 密度波理论 螺旋图 量级
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/37746
Collection力学所知识产出(1956-2008)
Corresponding Author唐泽眉
Recommended Citation
GB/T 7714		 唐泽眉. 星系密度波的线性增长[J]. 应用数学和力学,1983,4,2,:233-237.
APA 唐泽眉.(1983).星系密度波的线性增长.应用数学和力学,4(2),233-237.
MLA 唐泽眉."星系密度波的线性增长".应用数学和力学 4.2(1983):233-237.
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