The authors derive an algorithm for fixed-boundary 3D MHD equilibrium solvers that works with general computational boundaries where magnetic field lines can cross, pressure varies, and currents are not tangent to the boundary.
In non-contractible domains where the magnetic field has a non-zero normal boundary traceg 0, we introduce a static, curl-free reference fieldB ref such thatg 0 =B ref · n|∂Ω
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Computational boundary specification in 3D fixed-boundary magnetohydrodynamic equilibrium modeling
The authors derive an algorithm for fixed-boundary 3D MHD equilibrium solvers that works with general computational boundaries where magnetic field lines can cross, pressure varies, and currents are not tangent to the boundary.