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- Title
Fractional Nambu dynamics.
- Authors
Xu, Yan-Li; Luo, Shao-Kai
- Abstract
In this paper, we present a new fractional dynamical theory, i.e., the dynamics of a Nambu system with fractional derivatives (the fractional Nambu dynamics), and study its applications to mechanical systems. By using the definition of combined fractional derivative, we construct unified fractional Nambu equations and, respectively, give four new kinds of fractional Nambu equations based on the different definitions of fractional derivative. Further, we study the relations between the fractional Nambu system, the fractional generalized Hamiltonian system, the fractional Birkhoffian system, the fractional Hamiltonian system, the fractional Lagrangian system and a series of integer-order dynamical systems and present the transformation conditions. And furthermore, as applications of the fractional Nambu method, we construct two kinds of fractional dynamical models, which include the fractional Euler-Poinsot model of rigid body which rotates with respect to a fixed point and the fractional Yamaleev oscillator model. This work provides a general method for studying a fractional dynamical problem which is related to science and engineering.
- Subjects
FRACTIONAL calculus; HAMILTONIAN systems; PHASE transitions; DYNAMICAL systems; DERIVATIVES (Mathematics)
- Publication
Acta Mechanica, 2015, Vol 226, Issue 11, p3781
- ISSN
0001-5970
- Publication type
Article
- DOI
10.1007/s00707-015-1432-1