THE MODULATIONAL THEORY OF NONLINEAR GRAVITY-WAVE IN FLUID WITH VARYING DEPTH AND NONUNIFORM CURRENT

• 出 处: 力学学报：英文版
• 发表日期: 1991年1期
• 关键词: STOKES WAVEPACKET WKB expansion mean flow evolution equation Stokes wavepacket
• 基金项目: Project supported by National Natural Science Foundation of China,Centre of Advanced Academic Research of Zhongshan University.

By means of WKB expansions, new fourth order evolution equations are derived fortwo-dimensional Stokes waves over the bottom with arbitrary depth. The effects of slowly varying depth h=h (ε~2 x) and current U=U(ε~2x, ε~2t, ε~4z) on the evolution of a pack