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Chin. Phys. B, 2011, Vol. 20(12): 120201    DOI: 10.1088/1674-1056/20/12/120201
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Perturbation of symmetries for super-long elastic slender rods

Ding Ning(丁宁)a) and Fang Jian-Hui(方建会)b)
a Institute of Theoretical Physics, Department of Physics and Electronics Science, Binzhou University, Binzhou 256600, China; b College of Physics Science and Technology, China University of Petroleum, Dongying 257061, China
Abstract  This paper analyses perturbations of Noether symmetry, Lie symmetry, and form invariance for super-long elastic slender rod systems. Criterion and structure equations of the symmetries after disturbance are proposed. Considering perturbation of all infinitesimal generators, three types of adiabatic invariants induced by perturbation of symmetries for the system are obtained.
Keywords:  super-long elastic slender rod      symmetry      perturbation      adiabatic invariant  
Received:  10 May 2011      Revised:  08 July 2011      Accepted manuscript online: 
PACS:  02.20.Sv (Lie algebras of Lie groups)  
  11.30.-j (Symmetry and conservation laws)  
  46.25.-y (Static elasticity)  
Fund: Project supported by the Natural Science Foundation of Shandong Province of China (Grant No. ZR2009AQ011) and Science Foundation of Binzhou University, China (Grant No. BZXYG0903).

Cite this article: 

Ding Ning(丁宁) and Fang Jian-Hui(方建会) Perturbation of symmetries for super-long elastic slender rods 2011 Chin. Phys. B 20 120201

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