Soliton Solutions, Backlund Transformation and Wronskian Solutions for the (2+1)-Dimensional Variable-Coefficient Konopelchenko--Dubrovsky Equations in Fluid Mechanics

the (2 + 1)-Dimensional Variable-Coefficient Konopelchenko–Dubrovsky Equations in Fluid Mechanics Peng-Bo Xua, Yi-Tian Gaoa,b, Lei Wanga, De-Xin Menga, and Xiao-Ling Gaia a Ministry-of-Education Key Laboratory of Fluid Mechanics and National Laboratory for Computational Fluid Dynamics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China b State Key Laboratory of Software Development Environment, Beijing University of Aeronautics and Astronautics, Beijing 100191, China