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Invariant manifold growth formula in cylindrical coordinates and its application for magnetically confined fusion

英文摘要:For 3D vector fields, the governing formula of invariant manifolds grown from a hyperbolic cycle is given in cylindrical coordinates. The initial growth directions depend on the Jacobian matrices of Poincar map on that cycle, for which an evolution formula is deduced to reveal the relationship among Jacobians of different Poincar sections. The evolution formula also applies to cycles in arbitrary finite $n$-dim autonomous continuous-time dynamical systems. Non-Mbiusian/Mbiusian saddle cycles and a dummy X-cycle are constructed analytically as demonstration. A real-world numeric example of analyzing a magnetic field timeslice on EAST is presented.

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[V3] 2022-12-27 15:30:19 ChinaXiv:202211.00236V3 下载全文
[V2] 2022-11-26 20:21:55 ChinaXiv:202211.00236v2 查看此版本 下载全文
[V1] 2022-11-18 10:00:51 ChinaXiv:202211.00236v1 查看此版本 下载全文
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