Abstract
The twisty nature of stellarator geometry can be “hidden” from many calculations by basing a coordinate system on the twisty flux surfaces. A particularly good choice for this flux coordinate system, developed by A. H. Boozer, has straight field lines and a Jacobian that depends only on the magnitude of the magnetic field, B. Boozer's original method of generating the coordinate system had difficulty in determining the correct harmonics when the rotational transform, τ (the number of times a field line twists around the torus in the short direction for each transit in the long direction), is rational ( τ= n m ) and when the transform per field period is large. With this improved method, two field lines are used to calculate Boozer's flux coordinates on a given flux surface. This splits the spectra so that adjacent toroidal mode numbers are assigned to different spectra, and the correct amplitudes of overlapping harmonics can be determined.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
