The symplectic algorithms for Hamiltonian dynamic systems based on a new variational principle part III:the numerical examples
Received:February 10, 2012  Revised:July 15, 2012
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DOI:10.7511/jslx201304003
KeyWord:symplectic  Hamiltonian system  variational principle  action
           
AuthorInstitution
高强 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
彭海军 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
张洪武 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:
      In References,four types of numerical algorithms were constructed for solving the Hamiltonian dynamic systems and the symplectic property of the algorithms was proven.In this paper,the detailed numerical performance of these four types of methods is discussed,including the linear stability,the precision and the efficiency.