期刊
NONLINEAR DYNAMICS
卷 108, 期 3, 页码 2417-2428出版社
SPRINGER
DOI: 10.1007/s11071-022-07211-1
关键词
Fluid; (2+1)-dimensional generalized Burgers system with variable coefficients; Painleve analysis; Backlund transformation; Multiple kink solutions; Breather solutions; Hybrid solutions; Half-periodic kink solutions
资金
- National Natural Science Foundation of China [11772017, 11272023, 11805020]
- Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), China [IPOC: 2017ZZ05]
- Fundamental Research Funds for the Central Universities of China [2011BUPTYB02]
This paper investigates a (2+1)-dimensional generalized Burgers system with variable coefficients in a fluid. It obtains the Painleve-integrable constraints of the system with respect to the variable coefficients. Based on truncated Painleve expansions, an auto-Backlund transformation is constructed, along with soliton solutions. Multiple kink solutions are derived using truncated Painleve expansions. Breather solutions, half-periodic kink solutions, and hybrid solutions composed of breathers and kink waves are obtained via complex-conjugate transformation.
Burgers-type equations are used to describe certain phenomena in gas dynamics, traffic flow, plasma astrophysics and ocean dynamics. In this paper, a (2+1)-dimensional generalized Burgers system with the variable coefficients in a fluid is investigated. We obtain the Painleve-integrable constraints of the system with respect to the variable coefficients. Based on the truncated Painleve expansions, an auto-Backlund transformation is constructed, along with some soliton solutions. Via a truncated Painleve expansions, certain multiple kink solutions are derived. Via a complex-conjugate transformation, some breather solutions, half-periodic kink solutions and hybrid solutions composed of the breathers and kink waves are seen.
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