Kinetic Particles
Kinetic Particles
Kinetic Particles
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Linear Simulations of Tearing Modes in a RFP<br />
[ ( r α0<br />
]<br />
• alpha model equilibrium ∇ × B = µB µ = 2Θ 1 −<br />
a)<br />
• parameters for straight cylinder<br />
a = .5m, B 0 = .3T, Θ = 1.75, α 0 = 3,<br />
S = 1.e4, ka = 2, γτ A = 1.3e − 3<br />
• Boris push with orbit averaging to accommodates disparate time scales<br />
[<br />
• energetic ion density profile ∝ exp − ( ) ]<br />
r 2<br />
0.45a<br />
• initialize with mono-energetic particles δ(v ⊥ − v 0 ), only v × δB in weight<br />
equation<br />
• use only perpendicular pressure for comparison with theory<br />
• subcyling of particles and orbit average particle pressure
Change language