| CONTOUR DYNAMICS FOR THE MOTION OF MULTIPLE RING VORTICES Luo Zhexian Nanjing Institute of Meteorology,Nanjing 210044 |
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| 作者姓名： | 罗哲贤 |
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| 作者单位： | Nanjing Institute |
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| 基金项目： | This work is supported by the National Natural Science Foundation of China. |
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| 摘 要： | contour dynamics;;multiple ring vortex;;Coriolis force;;nonlinearity
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CONTOUR DYNAMICS FOR THE MOTION OF MULTIPLE RING VORTICES |
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| Luo Zhexian Nanjing Institute of Meteorology,Nanjing.CONTOUR DYNAMICS FOR THE MOTION OF MULTIPLE RING VORTICES Luo Zhexian Nanjing Institute of Meteorology,Nanjing 210044[J].Acta Meteorologica Sinica,1995(1). |
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| Authors: | Luo Zhexian Nanjing Institute of Meteorology Nanjing |
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| Institution: | Luo Zhexian Nanjing Institute of Meteorology,Nanjing 210044 |
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| Abstract: | This paper generalizes the contour dynamics for single ring vortices to that for multiple ring vortices,wherein sixsets of numerical computation are performed.The phenomenon of the counterclockwise loop of a moving vortex is clearly shown in the computational results and the asymmetric change with time of the vortex structure may serve as a pre-cursor for the phenomenon.Besides,we also discuss the dependence of the motion direction of a vortex upon the degreeof its contour denseness,and the dependence of the westward component of vortex motion upon its asymmetricstructure.The results are fairly consistent with those of previous dynamical analyses and numerical experiments. |
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| Keywords: | contour dynamics multiple ring vortex Coriolis force nonlinearity |
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