128 citations · 304 across the 14 of their papers we have counts for
14 papers
Quasisymmetric magnetic fields in asymmetric toroidal domains
Naoki Sato, Zhisong Qu, David Pfefferlé +1
We explore the existence of quasisymmetric magnetic fields in asymmetric toroidal domains. These vector fields can be identified with a class of magnetohydrodynamic equilibria in t…
Stepped pressure equilibrium with relaxed flow and applications in reversed-field pinch plasmas
Z. S. Qu, R. L. Dewar, F. Ebrahimi +3
The Multi-region Relaxed MHD (MRxMHD) has been successful in the construction of equilibria in three-dimensional (3D) configurations. In MRxMHD, the plasma is sliced into sub-volum…
Relaxation of Compressible Euler Flow in a Toroidal Domain
Naoki Sato, Robert L. Dewar
It is shown that the universal steady Euler flow field, independent of boundary shape or symmetry, in a toroidal domain with fixed boundary obeys a nonlinear Beltrami equation, wit…
Multi-region relaxed magnetohydrodynamics in plasmas with slowly changing boundaries --- resonant response of a plasma slab
Robert L. Dewar, Stuart R. Hudson, Amitava Bhattacharjee +1
The adiabatic limit of a recently proposed dynamical extension of Taylor relaxation, \emph{multi-region relaxed magnetohydrodynamics} (MRxMHD) is summarized, with special attention…
Variational formulation of relaxed and multi-region relaxed magnetohydrodynamics
Robert L. Dewar, Zensho Yoshida, Amitava Bhattacharjee +1
Ideal magnetohydrodynamics (IMHD) is strongly constrained by an infinite number of microscopic constraints expressing mass, entropy and magnetic flux conservation in each infinites…
Multi-region relaxed magnetohydrodynamics with anisotropy and flow
Graham R. Dennis, Stuart R. Hudson, Robert L. Dewar +1
We present an extension of the multi-region relaxed magnetohydrodynamics (MRxMHD) equilibrium model that includes pressure anisotropy and general plasma flows. This anisotropic ext…