Realistic Simulations of Fast-Ion Wall Distribution Including Effects Due to Finite Larmor Radius

Realistic Simulations of Fast-Ion Wall Distribution Including Effects Due to Finite Larmor Radius

The Monte Carlo guiding center (GC)-following code ASCOT has been upgraded with the full-orbit-following capability. This is utilized only near the vessel walls in order to simulate diagnostics with characteristic lengths on the order of the Larmor radius. The option to switch more generally, near t...

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Veröffentlicht in:IEEE transactions on plasma science 2010-09, Vol.38 (9), p.2177-2184
Hauptverfasser: Snicker, Antti, Kurki-Suonio, Taina, Sipilä, Seppo K
Format: Artikel
Sprache:eng
Schlagworte:
Alpha particle
Codes
Computer simulation
Diagnostic systems
Diagnostics
full orbit
hybrid model
Ions
Larmor radius
Magnetic confinement
Magnetic resonance
Mathematical analysis
Monte Carlo methods
Monte Carlo simulation
particle tracing
Plasma confinement
Plasma physics
Plasma properties
Stochastic resonance
Switches
Testing
Tokamaks
Toroidal magnetic fields
Turning
Vessels
Walls
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Zusammenfassung:The Monte Carlo guiding center (GC)-following code ASCOT has been upgraded with the full-orbit-following capability. This is utilized only near the vessel walls in order to simulate diagnostics with characteristic lengths on the order of the Larmor radius. The option to switch more generally, near the turning points of the particle, from the GC integration to full-orbit integration and back is also discussed.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2010.2056705