吴锋   

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Language:English

Paper Publications

Title of Paper:刚-柔体动力学方程的保辛摄动迭代法

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Date of Publication:2014-04-04

Journal:应用数学和力学

Included Journals:PKU、ISTIC、CSCD

Volume:35

Issue:4

Page Number:341-352

ISSN No.:1000-0887

Key Words:刚-柔体;辛;摄动;刚性

Abstract:针对刚-柔体动力学方程,提出保辛摄动迭代算法.该方法把刚-柔体动力学方程的低频运动和高频振动分开处理,用保辛摄动的思想来处理低、高频耦合作用,从而可以采用较大时间步长进行数值积分,即可给出满意的数值结果,很好地解决了刚性积分问题.数值算例表明该方法是可行的.

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