wbeampls.inp

来自「数学物理上的一维粒子模拟代码」· INP 代码 · 共 34 行

BEAM PLASMA INSTABILITY

A warm electron beam is drifting through a cold unperturbed plasma.
The small temperature of the beam avoids the non-physical cold beam
instability, so the only phenomenon is the growth of the physical beam
plasma instability.

nsp----------l---------dt----------nt----mmax-----l/a----accum
2        62.83185307  0.05        1000    18	  0	 0
ng----iw-ec---epsi-------a1------a2-----E0-----w0
128    2 0   1.00       0.00    0.00   0      0

SPECIES 1: Warm Electron Beam

n----nv2---nlg---mode
512    0     1    10
wp----wc-----qm-----vt1----vt2---v0
0.1  0.00  -1.00   0.0    0.05  1.00
x1----v1---thetax--thetav
0.0001  0.00   0.00    0.00
--nbins---vlower---vupper
50        0.0      0.0

SPECIES 2: Warm non-drifting electrons

n----nv2---nlg---mode
512    0     1      0
wp----wc-----qm-----vt1----vt2---v0
1.0  0.00  -1.00   0.00   0.20  0.00
x1----v1---thetax--thetav
0.0  0.00   0.00    0.00
--nbins---vlower---vupper
50        0.0      0.0