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《Mechanics and Engineering》 2005-01
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EFFICIENT FORMAT AND SIMPLE COMPUTATION OF PRECISE SYMPLECTIC INTEGRATION METHOD

XU Mingyi ZHANG Yongchuan(School of Hydroelectric and Digital Engineering, HuazhongUniversity of Science and Technology, Wuhan 430074, China)  
In this paper an efficient iteration format of the precise symplectic integration method is proposed to reduce the computation amount. At the same time, the simplified form and its error estimation are also proposed to avoid complicated matrix inversion operation. This method is programmed to justify its validity. It is proved that this method can speed up the calculation process and has high precision and stability.
【Fund】: 华中科技大学博士后基金资助(0101271026).
【CateGory Index】: O316
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