Relaxed magnetohydrodynamics with ideal Ohm's law constraint

نویسندگان

چکیده

The gap between a recently developed dynamical version of relaxed magnetohydrodynamics (RxMHD) and ideal MHD (IMHD) is bridged by approximating the zero-resistivity "Ideal" Ohm's Law (IOL) constraint using an augmented Lagrangian method borrowed from optimization theory. augmentation combines pointwise vector Lagrange multiplier global penalty function can be used either for iterative enforcement IOL to arbitrary accuracy, or constructing continuous sequence magnetofluid dynamics models running RxMHD (no IOL) weak IMHD (IOL almost everywhere). This illustrated deriving dispersion relations linear waves on equilibrium.

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ژورنال

عنوان ژورنال: Journal of Plasma Physics

سال: 2022

ISSN: ['1469-7807', '0022-3778']

DOI: https://doi.org/10.1017/s0022377821001355