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
     
AuthorInstitution
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.