beamplas.inp

来自「数学物理上的一维粒子模拟代码」· INP 代码 · 共 35 行

BEAM PLASMA INSTABILITY

A cool 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        6.283185307   0.20      1000    3       0	1
ng----iw--ec--epsi-------a1------a2-----E0-----w0
64     2  0   1.00       0.00    0.00   0      0

SPECIES 1: Cool Electron Beam

n----nv2---nlg---mode
512    0     1      0
wp----wc-----qm-----vt1----vt2---v0
0.1   0.00   -1.00  5e-4   0.0  1.00
x1----v1---thetax--thetav
0.0   0.00   0.00    0.00
--nbins---vlower---vupper
50        -1.0      2.0


SPECIES 2: Cold Electron Plasma

n----nv2---nlg---mode
256    0     1      0
wp----wc-----qm-----vt1----vt2---v0
1.00  0.00   -1.00  0.00   0.00  0.00
x1----v1---thetax--thetav
0.00  0.00   0.00    0.00
--nbins---vlower---vupper
50        -1.0      1.0