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《Chinese Journal of Geophysics》 1993-01
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NONLINEAR EVOLUTION OF MHD INSTABILITY CAUSED BY THE SHEAR FLOW AT THE MAGNETOPASUE BOUNDARY

ZHANG XIAO-XIN WANG NAI-QUAN(Center for Space Science & Applied Research, Academia Sinica, Beijing 100080)  
A model of two-dimensional incompressibl MHD is studied in an effort to understand the nature of the nonlinear evolution of Kelvin-Helmholtz instability in the presence of shear flow fields at the magnetopause boundary layer. A new set of nonlinear differential equa-tions for describing the model has been derived by using truncated Fourier expansions.Their numerical solutions are examined, and trajected in phase space. It is found that slightly differing initial conditions can be evolve into considerable different states, and Alfven Mach number MA plays a leading role in the nonlinear evolution of the system. It is also found that the nonlinear system can exhibit a wealth of characteristic dynamical behaviors including steady state, Hopf bifurcation to periodic orbits, perio doubling bifurcations, chaotic solution (strange attractor), bifurcation from chaos to period solution and steady solution, and that compared to the intensity of the flow, the fluid becomes more stable if a strong or a weak magmetic field parallel to the flow.
【Fund】: 国家自然科学基金
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【References】
Chinese Journal Full-text Database 1 Hits
1 LIU ZHEN-XING(Center for Space Science and Application Resarch, Academia Sinica, Beijing 100080, China )Pn ZU-YIN(Department of Geophysics, Peking Uiversity, Beijing 100871, China );ADVANCES AND PROSPECTS OF MAGNETOSPHERIC PHYSICS RESEARCH IN CHINA[J];Chinese Journal of Geophysics;1997-S1
China Proceedings of conference Full-text Database 1 Hits
1 LIU ZHEN-XING (Center for Space Science and Application Research, Academia Sinica, Beijing 100080, China) PU ZU- YIN(Department of Geophysics, Peking University, Beijing 100871, China);ADVANCES AND PROSPECTS OF MAGNETOSPHERIC PHYSICS RESEARCH IN CHINA[A];[C];1997
【Citations】
Chinese Journal Full-text Database 2 Hits
1 WANG NAI-QUAN(Center for Space Science and Applied Research, Academia Sinica, Beijing 100080);CHAOTIC PHENOMENON IN THE MAGNETOPAUSE PLASMA[J];Chinese Journal of Geophysics;1991-04
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【Co-citations】
Chinese Journal Full-text Database 2 Hits
1 Wang Xianmin Wangjinfang Liang Baixian;Nonlinear Wave Equations of the Shear Flow at the Boundarylayer of the Magnetospheer[J];;1991-02
2 Wang Xian-min Wang Jing-fang Liang Bai-xian(Department of Space Physics, Wuhan University);NONLINEAR PROPERTIES OF THE SHEARED MAGNETO-HYDRADYNAMICS AT THE BOUNDARY LAYER OF THEMAGNETOSPHERE I. THE EFFECTS OF THEPERTURBATION OF FLOW ON MAGNETICFIELD[J];Chinese Journal of Space Science;1991-03
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Chinese Journal Full-text Database 10 Hits
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【Secondary References】
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