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Hamilton系统的保辛-守恒积分算法

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Indexed by:期刊论文

Date of Publication:2009-09-20

Journal:动力学与控制学报

Volume:7

Issue:3

Page Number:193-199

ISSN No.:1672-6553

Key Words:保辛;能量守恒;参变量;正则变换

Abstract:给出了Hamilton系统基于辛矩阵乘法的显式时不变正则变换和时变正则变换.引入含参变量的近似Hamilton系统,并以近似Hamilton系统为基础进行辛矩阵乘法的正则变换.正则变换保证了数值积分的保辛性质,而通过调整引入的参变量可保证能量在积分格点上守恒.实现了Hamilton系统即保辛又保能量的算法.

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