Poincaré-Cartan integral invariants of Birkhoffian systems

Yong Xin Guo*, Mei Shang, Shao Kai Luo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Based on modern differential geometry, the symplectic structure of a Birkhoffian system which is an extension of conservative and nonconservative systems is analyzed. An integral invariant of Poincaré-Cartan's type is constructed for Birkhoffian systems. Finally, one-dimensional damped vibration is taken as on illustrative example and integral invariant of Poincaré's type is found.

Original languageEnglish
Pages (from-to)68-72
Number of pages5
JournalApplied Mathematics and Mechanics (English Edition)
Volume24
Issue number1
DOIs
Publication statusPublished - Jan 2003

Keywords

  • Birkhoffian systems
  • Poincaré-Cartan integral invariants
  • Self-adjointness
  • Symplectic structure

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