Exact two-dimensional solution for magnetic compression of a thin axisymmetric shell and neck formation in an X-pinch
Zubarev N. M. 1,2, Chaikovsky S. A. 1
1Institute of Electrophysics of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
2Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia
Email: nick@iep.uran.ru

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Exact two-dimensional solutions are constructed that describe the dynamics of magnetic compression of a hollow shell, which is a one-sheeted hyperboloid of revolution. The solutions are applicable for interpreting the results of experiments on the formation of necks in X-pinches. In particular, they make it possible to relate the main parameters of the problem: the axial scale of the neck, the time of its formation, and the geometric characteristics of the system. Keywords: X-pinch, neck formation, thin shell model.
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