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Events on Wednesday, June 19th, 2024

Preliminary Exam
Computational Magnetohydrodynamics for Stellarators
Time: 10:00 am - 12:00 pm
Place: 5280 Chamberlin Hall;
Speaker: Sanket Patil, Physics PhD Graduate Student
Abstract: Stellarators, a type of magnetic confinement fusion device, may be able to sustain steady-state plasmas due to their favorable macro-stability properties. Positive results from optimized stellarator experiments and recent success in stellarator optimization have rejuvenated the interest in the concept. However, the feasibility of optimized plasma configurations is contingent on quiescent behavior on macro scales and may be assessed using computational nonlinear magnetohydrodynamics (MHD). Therefore, the NIMSTELL code has been developed to address the need to model non-ideal MHD in stellarators. In this talk, the progress made on the application of NIMSTELL to stellarators will be presented, including: (1) An interface with the DESC code to obtain 3D ideal MHD equilibria as initial conditions; (2) Preconditioner improvements for efficient stellarator calculations; and (3) Results from benchmarking and troubleshooting. Additionally, future steps towards completing experimentally relevant calculations and understanding the underlying physics will be discussed.
Host: Chris C. Hegna, Carl R. Sovinec
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Summer Recess
Time: 12:30 pm - 1:00 pm
Place: Bascom Hill outside Birge
Speaker: Sharon Kahn
Abstract: Come take a break and play from 12:30-1 on Bascom Hill (outside of Birge)! Some of us will be walking up, leaving from the courtyard between Chamberlin and Sterling ~12:25 – feel free to walk with us!

Cornhole, ladder toss, frisbee, juice boxes. . . .
Hope you’ll join us!
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