河南省自然科学基金(0511022200)

作品数：6被引量：8H指数：2
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相关作者：施沈阳陈立群傅景礼更多>>
相关机构：上海大学浙江理工大学更多>>
相关期刊：《Chinese Physics B》《物理学报》更多>>
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Noether symmetries of discrete mechanico-electrical systems被引量：3
《Chinese Physics B》2008年第12期4354-4360,共7页傅景礼 陈本永 谢凤萍 
Project supported by the National Natural Science Foundation of China (Grant Nos 10672143 and 60575055);the Natural Science Foundation of Henan Province, China (Grant No 0511022200)
This paper focuses on studying Noether symmetries and conservation laws of the discrete mechanico-electricM systems with the nonconservative and the dissipative forces. Based on the invariance of discrete Hamilton act...
关键词：Noether symmetry conservation law discrete mechanico-electrical system dissipative function 
Symplectic-energy-first integrators of discrete mechanico-electrical dynamical systems被引量：1
《Chinese Physics B》2008年第11期3942-3952,共11页傅景礼 陈本永 唐贻发 付昊 
Project supported by the National Natural Science Foundation of China (Grant Nos 10672143 and 60575055);the State Key Laboratory of Scientific and Engineering Computing, Chinese Academy of Sciences;the Natural Science Foundation of Henan Province Government, China (Grant No 0511022200)
A discrete total variation calculus with variable time steps is presented for mechanico-electrical systems where there exist non-potential and dissipative forces. By using this discrete variation calculus, the symplec...
关键词：total variation symplectic-energy-momentum integrator mechanico-electrical system 
Structure properties and Noether symmetries for super-long elastic slender rod
《Chinese Physics B》2008年第7期2361-2365,共5页傅景礼 赵维加 翁玉权 
supported by the National Natural Science Foundation of China (Grant Nos 10672143 and 60575055);the State Key Laboratory of Scientific and Engineering Computing;Chinese Academy of Sciences and the Natural Science Foundation of Henan Province Government of China (Grant No 0511022200)
DNA is a nucleic acid molecule with double-helical structures that are special symmetrical structures attracting great attention of numerous researchers. The super-long elastic slender rod, an important structural mod...
关键词：super-long elastic slender rod Kirchhoff＇s analogue Noether symmetry conserved quantity 
A field method for integrating the equations of motion of mechanico-electrical coupling dynamical systems
《Chinese Physics B》2008年第6期1939-1945,共7页傅景礼 徐树山 翁玉权 
Project supported by the National Natural Science Foundation of China (Grant Nos 10672143 and 60575055);the Natural Science Foundation of Henan Province, China (Grant No 0511022200)
A field method for integrating the equations of motion for mechanico-electrical coupling dynamical systems is studied. Two examples in mechanico-electrical engineering are given to illustrate this method.
关键词：field method mechanico-electrical coupling system Lagrange Maxwell equation 
The Lie symmetries and Noether conserved quantities of discrete non-conservative mechanical systems被引量：2
《Chinese Physics B》2008年第2期385-389,共5页施沈阳 傅景礼 陈立群 
Project supported by the National Natural Science Foundation of China (Grant No 10672143);the Natural Science Foundation of Henan Province,China (Grant No 0511022200)
This paper investigates the Lie symmetries and Noether conserved quantities of discrete non-conservative mechanical systems. The variational principle of discrete mechanics, from which discrete motion equations of sys...
关键词：discrete mechanics total variational principle Lie symmetry discrete conserved quantity 
离散Lagrange系统的Lie对称性被引量：3
《物理学报》2007年第6期3060-3063,共4页施沈阳 傅景礼 陈立群 
国家自然科学基金(批准号:10672143);河南省自然科学基金(批准号:0511022200)资助的课题~~
研究离散Lagrange系统的Lie对称性.根据离散变分原理建立离散系统的运动方程.给出离散运动方程Lie对称性的定义和确定方程.举例说明结果的应用.
关键词：离散Lagrange系统 离散变分原理 LIE对称性 确定方程 
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