Abstract
Standing soliton was studied by numerical simulation of its governing equation, a cubic Schrödiger equation with a complex conjugate term, which was derived by Miles and was accepted. The value of linear damping in Miles equation was studied. Calculations showed that linear damping effects strongly on the formation of a standing soliton and Laedke and Spatschek stable condition is only a necessary condition, but not a sufficient one. The interaction of two standing solitons was simulated. Simulations showed that the interaction pattern depends on system parameters. Calculations for the different initial condition and its development indicated that a stable standing soliton can be formed only for proper initial disturbance, otherwise the disturbance will disappear or develop into several solitons.
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Paper from ZHOU Xian-chu, Member of Editorial Committee, AMM
Foundation item: the National Natural Science Foundation of China (19572071); the National Basic Research Project “Nonlinear Science”
Biography: ZHOU Xian-chu (1939-)
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Xian-chu, Z., Yi, R. Numerical simulation of standing solitons and their interaction. Appl Math Mech 21, 1371–1380 (2000). https://doi.org/10.1007/BF02459215
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DOI: https://doi.org/10.1007/BF02459215