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SUMMARY:Spherical Simulations with the Dedalus Framework (Contributed spea
 ker) - Daniel Lecoanet (Northwestern University)
DTSTART:20220916T091500Z
DTEND:20220916T100000Z
UID:TALK177527@talks.cam.ac.uk
DESCRIPTION:The global magnetic fields of astrophysical and planetary bodi
 es are shaped by the spherical geometry of these systems. In this talk\, I
  will describe new algorithms for solving nearly arbitrary equations in sp
 herical geometry using the Dedalus framework. Users specify equations in p
 lain-text using vector notation. Each variable is represented in a spectra
 lly-accurate series expansion of spin-weighted spherical harmonics in the 
 angular directions\, and radially-weighted Jacobi polynomials in the radia
 l direction. Dedalus can solve equations in spherical shells\, as well as 
 full balls (extending to r=0). I will provide examples of how to use the c
 ode\, as well as benchmark problems and speed comparisons to similar codes
 .
LOCATION:Seminar Room 1\, Newton Institute
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