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环形液池浮力-热毛细对流表面振荡一维时间序列的最大李雅普诺夫指数计算
张丽; 段俐; 康琦
Source Publication第七届全国流体力学学术会议论文摘要集
2012
Pages132-132
Conference Name第七届全国流体力学学术会议
Conference Date2012-11-12
Conference Place中国广西桂林
Abstract本文用互信息法计算了环形液池浮力-热毛细对流非线性系统的延迟时间;用G.P算法求得到了最佳嵌入维数;并在前两者的基础上运用Wolf等人的时间演化算法,将实验中得到的表面振荡一维时间序列进行了合理的相空间重构,计算出了信号的最大李雅普诺夫指数。本文验证了判断一个非线性系统是混沌系统的传统方法,分析了混沌信号的剧烈程度,为大家今后研究混沌现象及其规律提供了一定的实验案例支持。
Keyword环形液池 表面振荡 混沌 相空间重构 李雅普诺夫指数
DepartmentNML微重力实验流体力学
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48377
Collection国家微重力实验室
Recommended Citation
GB/T 7714
张丽,段俐,康琦. 环形液池浮力-热毛细对流表面振荡一维时间序列的最大李雅普诺夫指数计算[C],2012:132-132.
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