Applied Mathematics and Mechanics (English Edition) ›› 2015, Vol. 36 ›› Issue (7): 873-882.doi: https://doi.org/10.1007/s10483-015-1954-9

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Skew-gradient representations of constrained mechanical systems

Fengxiang MEI1, Jinchao CUI2   

  1. 1. School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China;
    2. School of Science, Jiangnan University, Wuxi 214122, Jiangsu Province, China
  • 收稿日期:2014-11-20 修回日期:2014-12-24 出版日期:2015-07-01 发布日期:2015-07-01
  • 通讯作者: Jinchao CUI E-mail:cjcwx@163.com
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Nos. 10932002 and 11272050)

Skew-gradient representations of constrained mechanical systems

Fengxiang MEI1, Jinchao CUI2   

  1. 1. School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China;
    2. School of Science, Jiangnan University, Wuxi 214122, Jiangsu Province, China
  • Received:2014-11-20 Revised:2014-12-24 Online:2015-07-01 Published:2015-07-01
  • Contact: Jinchao CUI E-mail:cjcwx@163.com
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Nos. 10932002 and 11272050)

摘要: The characteristics of stationary and non-stationary skew-gradient systems are studied. The skew-gradient representations of holonomic systems, Birkhoffian systems, generalized Birkhoffian systems, and generalized Hamiltonian systems are given. The characteristics of skew-gradient systems are used to study integration and stability of the solution of constrained mechanical systems. Examples are given to illustrate applications of the result.

关键词: stability, skew-gradient system, constrained mechanical system, integration

Abstract: The characteristics of stationary and non-stationary skew-gradient systems are studied. The skew-gradient representations of holonomic systems, Birkhoffian systems, generalized Birkhoffian systems, and generalized Hamiltonian systems are given. The characteristics of skew-gradient systems are used to study integration and stability of the solution of constrained mechanical systems. Examples are given to illustrate applications of the result.

Key words: skew-gradient system, constrained mechanical system, integration, stability

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