The interaction between zonal flow and Rossby waves with scalar nonlinearity

doi:10.1088/1674-1056/23/6/064703

中国物理B ›› 2014, Vol. 23 ›› Issue (6): 64703-064703.doi: 10.1088/1674-1056/23/6/064703

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

The interaction between zonal flow and Rossby waves with scalar nonlinearity

张喜平, 赵强

School of Physics, Peking University, Beijing 100871, China

收稿日期:2013-09-27 修回日期:2013-11-19 出版日期:2014-06-15 发布日期:2014-06-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 41175052).

The interaction between zonal flow and Rossby waves with scalar nonlinearity

Zhang Xi-Ping (张喜平), Zhao Qiang (赵强)

School of Physics, Peking University, Beijing 100871, China

Received:2013-09-27 Revised:2013-11-19 Online:2014-06-15 Published:2014-06-15
Contact: Zhang Xi-Ping E-mail:zhangxp11@pku.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 41175052).

摘要/Abstract

摘要： The nonlinear interactions between zonal flow and Rossby waves are studied by numerical simulations with focus on the effects of scalar nonlinearity. The numerical results show that the scalar nonlinearity has an appreciable influence on the Rossby dipole evolution and can reduce the threshold of the disturbance energy increase.

关键词: Rossby wave, sheared zonal flow, dipole, scalar nonlinearity

Abstract: The nonlinear interactions between zonal flow and Rossby waves are studied by numerical simulations with focus on the effects of scalar nonlinearity. The numerical results show that the scalar nonlinearity has an appreciable influence on the Rossby dipole evolution and can reduce the threshold of the disturbance energy increase.

Key words: Rossby wave, sheared zonal flow, dipole, scalar nonlinearity

中图分类号: (Vortex dynamics; rotating fluids)

47.32.-y

47.32.cd (Vortex stability and breakdown) 47.20.Ft (Instability of shear flows (e.g., Kelvin-Helmholtz))

张喜平, 赵强. The interaction between zonal flow and Rossby waves with scalar nonlinearity[J]. 中国物理B, 2014, 23(6): 64703-064703.

Zhang Xi-Ping (张喜平), Zhao Qiang (赵强). The interaction between zonal flow and Rossby waves with scalar nonlinearity[J]. Chin. Phys. B, 2014, 23(6): 64703-064703.

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The interaction between zonal flow and Rossby waves with scalar nonlinearity

The interaction between zonal flow and Rossby waves with scalar nonlinearity

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