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DTSTAMP:20190719T085744Z
LOCATION:HG E 1.1
DTSTART;TZID=Europe/Stockholm:20190613T154500
DTEND;TZID=Europe/Stockholm:20190613T161500
UID:submissions.pasc-conference.org_PASC19_sess142_msa257@linklings.com
SUMMARY:High Performance Geometric Electromagnetic PIC on Staggered Grids 
 with WarpX and AMReX
DESCRIPTION:Minisymposium\nPhysics\n\nHigh Performance Geometric Electroma
 gnetic PIC on Staggered Grids with WarpX and AMReX\n\nAmeres, Kormann\n\nG
 yrokinetic Particle-In-Cell codes are a very popular tool for the simulati
 on of highly magnetized plasmas in fusion research. By the use of the gyro
 kinetic theory, which ultimately bases itself on a neatly chosen coordinat
 e transformation, large scale differences in the physics of the core of a 
 Tokamak can be overcome. As the physical modeling is proceeding towards th
 e edge of the reactor, fully kinetic Vlasov-Maxwell simulations are needed
 . In the modeling of accelerator physics, such fully kinetic PIC codes are
  the first choice, since they are intrinsically adapted to large scale dif
 ferences in phase space. WarpX is a new exascale computing platform for be
 am plasmas, which combines the AMReX framework for adaptive mesh refinemen
 t with an highly optimized particle mesh interface based on finite differe
 nces. The implementation based on Esirkepov's work lies within the GEMPIC 
 framework, which provides a full understanding of a consequent geometric d
 iscretization for PIC. This framework and the outstanding performance of t
 he code allowed us to introduce a Poisson solver and a Quasi-Monte-Carlo s
 ampling technique into WarpX. Hence, scenarios in highly magnetized plasma
 s can be simulated although the code was originally designed for accelerat
 or physics.
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