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Guard Layers
- Gyrokinetic PIC makes special demands on guard layers in the dimensions perpendicular to
- Gyroaveraging
- Charge accumulation around gyroorbit
- Force interpolation to gyrocenter
- Typically sample 4 points on orbit:
varies from particle to particle
- max
may be 4 or 5 grid cells in typical simulations
- number of guard cells in these 2 directions known only after initializing particles (depends on temperature)
- must span
+ number of cells in interpolation
Gyrokinetic PIC Simulation on Massively Parallel Processors - (lecture given 6/23/95)
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