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Chinese Physics, 2006, Vol. 15(1): 13-18    DOI: 10.1088/1009-1963/15/1/003
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A geometric framework for time-dependent mechanical systems with unilateral constraints

Zhang Yi (张毅)a, Mei Feng-Xiang (梅凤翔)b 
a Department of Civil Engineering, University of Science and Technology of Suzhou, Suzhou 215011, China; b Department of Applied Mechanics, Beijing Institute of Technology, Beijing 100081, China
Abstract  The description of modern differential geometry for time-dependent Chetaev nonholonomic mechanical systems with unilateral constraints is studied. By using the structure of exact contact manifold, the geometric framework of time-dependent nonholonomic mechanical systems subject to unilateral nonholonomic constraints and unilateral holonomic constraints respectively is presented.
Keywords:  nalytical mechanics      time-dependent      unilateral constraint      differential geometry  
Received:  10 December 2004      Revised:  04 February 2005      Accepted manuscript online: 
PACS:  02.40.-k (Geometry, differential geometry, and topology)  
  45.05.+x (General theory of classical mechanics of discrete systems)  
  45.20.Jj (Lagrangian and Hamiltonian mechanics)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10272021), the Natural Science Foundation of High Education of Jiangsu Province, China (Grant No 04KJA130135) and the ``Qing Lan'' Project Foundation of Jiangsu Province, China.

Cite this article: 

Zhang Yi (张毅), Mei Feng-Xiang (梅凤翔) A geometric framework for time-dependent mechanical systems with unilateral constraints 2006 Chinese Physics 15 13

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