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The Zu-type method is symplectic |
Received:January 08, 2014 Revised:March 15, 2014 |
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DOI:10.7511/jslx201504001 |
KeyWord:differential-algebraic equation Zu Chongzhi symplectic constraint |
Author | Institution |
吴锋 |
大连理工大学 工业装备结构分析国家重点实验室 工程力学系, 大连 |
钟万勰 |
大连理工大学 工业装备结构分析国家重点实验室 工程力学系, 大连 |
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Abstract: |
The Zu-type method for the differential-algebraic equation can satisfy the constraint equations at each time node and can be implemented easily because its easy computational format.Hence,the Zu-type method is quite practical.Herein,the Zu-type method was found to be not only constraint-preserving but also symplectic. |