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.
Surface current optimization and coil-cutting algorithms for stage-two stellarator optimization
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The authors develop a flexible differentiable coil proxy based on QUADCOIL for quasi-single-stage stellarator optimization and demonstrate it with improved permanent-magnet and coil solutions for the MUSE and ARIES-CS devices.
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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.
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A flexible and differentiable coil proxy for stellarator equilibrium optimization
The authors develop a flexible differentiable coil proxy based on QUADCOIL for quasi-single-stage stellarator optimization and demonstrate it with improved permanent-magnet and coil solutions for the MUSE and ARIES-CS devices.