esaccel2.inp

pic 模拟程序！面向对象

ESaccel
{
	Static alternating plate structure with propagating ionization front 
	following T. Katsouleas.
}
Variables
{
	period_z = 2.5e-2 // period of electrodes in z
	dy = 1.25e-2 // gap distance
	n_plates = 4 // number of plates
	plate_frac = 0.75 // fraction of period_z comprising plate
	t_pulse = 50e-12 // pulse length
	n_max = 1e19 // peak density
	channel_delta = dy/8 // distance between laser channel and wall
	V0 = 2e3 // plate voltage
	c = 3e8
}
Region
{
Grid
{
	J = 128
	x1s = 0.0
	x1f = n_plates*period_z
	n1 = 1.0
	K = 64
	x2s = 0.0
	x2f = dy
	n2 = 1.0
	Geometry = 1
	Rule
	{
	 Limit
	 n1 < 0.25
	 Fatal -- n1 < 0.25 grid spacing too nonuniform to ensure accuracy
	}
	Rule
	{
	 Algebra
	 J * K > 10000
	 Warning -- J*K >= 10000 may mean memory problems!
	}
}
Control
{
	dt = 1E-13
	Rule
	{
	 Limit
	 dt <= 0.0
	 Fatal -- time step must be positive
	}
}
Species
{
	name = electrons
	m = 9.11E-31
	q = 1.6e-19
}
Species
{
	name = Ar
	m = 1836*40*9.11E-31
	q = 1.6e-19
}
LaserPlasmaSource
{
	name = plasmaSource
	A1 = 0
	A2 = channel_delta
	B1 = n_plates*period_z
	B2 = dy - channel_delta
	units1 = EV
	speciesName1 = electrons
	temperature1 = 0
	units2 = EV
	speciesName2 = Ar
	temperature2 = 0
	sourceRate = n_max/t_pulse // rate of plasma generation
//	np2c = 1e11
	np2c = 1e10
	velocity = 3e8 // velocity of propagation of ionization pulse
	x1Flag = 1 // 1 = horizontal motion
	pulseWidth = t_pulse*3e8 // spatial width of pulse in m
}
Dielectric
{
	name = left
	A1 = 0
	A2 = 0
	B1 = 0
	B2 = dy
	normal = 1
}
Dielectric
{
	name = right
	A1 = n_plates*period_z
	A2 = 0
	B1 = n_plates*period_z
	B2 = dy
	normal = -1
}
Dielectric
{
	name = gap0bottom
	A1 = 0
	A2 = 0
	B1 = (1 - plate_frac)*0.5*period_z
	B2 = 0
	normal = 1
}
Dielectric
{
	name = gap0top
	A1 = 0
	A2 = dy
	B1 = (1 - plate_frac)*0.5*period_z
	B2 = dy
	normal = -1
}
Equipotential
{
	name = plate1top
	A1 = (1 - plate_frac)*0.5*period_z
	A2 = dy
	B1 = ((1 - plate_frac)*0.5 + plate_frac)*period_z
	B2 = dy
	C = V0
	normal = -1
}
Conductor
{
	name = plate1bottom
	A1 = (1 - plate_frac)*0.5*period_z
	A2 = 0
	B1 = ((1 - plate_frac)*0.5 + plate_frac)*period_z
	B2 = 0
	normal = 1
}
Dielectric
{
	name = gap1bottom
	A1 = ((1 - plate_frac)*0.5 + plate_frac)*period_z
	A2 = 0
	B1 = ((1 - plate_frac)*1.5 + plate_frac)*period_z
	B2 = 0
	normal = 1
}
Dielectric
{
	name = gap1top
	A1 = ((1 - plate_frac)*0.5 + plate_frac)*period_z
	A2 = dy
	B1 = ((1 - plate_frac)*1.5 + plate_frac)*period_z
	B2 = dy
	normal = -1
}
Equipotential
{
	name = plate2bottom
	A1 = ((1 - plate_frac)*1.5 + plate_frac)*period_z
	A2 = 0
	B1 = ((1 - plate_frac)*1.5 + 2*plate_frac)*period_z
	B2 = 0
	C = V0
	normal = 1
}
Conductor
{
	name = plate2top
	A1 = ((1 - plate_frac)*1.5 + plate_frac)*period_z
	A2 = dy
	B1 = ((1 - plate_frac)*1.5 + 2*plate_frac)*period_z
	B2 = dy
	normal = -1
}
Dielectric
{
	name = gap2bottom
	A1 = ((1 - plate_frac)*1.5 + 2*plate_frac)*period_z
	A2 = 0
	B1 = ((1 - plate_frac)*2.5 + 2*plate_frac)*period_z
	B2 = 0
	normal = 1
}
Dielectric
{
	name = gap2top
	A1 = ((1 - plate_frac)*1.5 + 2*plate_frac)*period_z
	A2 = dy
	B1 = ((1 - plate_frac)*2.5 + 2*plate_frac)*period_z
	B2 = dy
	normal = -1
}
Equipotential
{
	name = plate3top
	A1 = ((1 - plate_frac)*2.5 + 2*plate_frac)*period_z
	A2 = dy
	B1 = ((1 - plate_frac)*2.5 + 3*plate_frac)*period_z
	B2 = dy
	C = V0
	normal = -1
}
Conductor
{
	name = plate3bottom
	A1 = ((1 - plate_frac)*2.5 + 2*plate_frac)*period_z
	A2 = 0
	B1 = ((1 - plate_frac)*2.5 + 3*plate_frac)*period_z
	B2 = 0
	normal = 1
}
Dielectric
{
	name = gap3bottom
	A1 = ((1 - plate_frac)*2.5 + 3*plate_frac)*period_z
	A2 = 0
	B1 = ((1 - plate_frac)*3.5 + 3*plate_frac)*period_z
	B2 = 0
	normal = 1
}
Dielectric
{
	name = gap3top
	A1 = ((1 - plate_frac)*2.5 + 3*plate_frac)*period_z
	A2 = dy
	B1 = ((1 - plate_frac)*3.5 + 3*plate_frac)*period_z
	B2 = dy
	normal = -1
}
Equipotential
{
	name = plate4bottom
	A1 = ((1 - plate_frac)*3.5 + 3*plate_frac)*period_z
	A2 = 0
	B1 = ((1 - plate_frac)*3.5 + 4*plate_frac)*period_z
	B2 = 0
	C = V0
	normal = 1
}
Conductor
{
	name = plate4top
	A1 = ((1 - plate_frac)*3.5 + 3*plate_frac)*period_z
	A2 = dy
	B1 = ((1 - plate_frac)*3.5 + 4*plate_frac)*period_z
	B2 = dy
	normal = -1
}
Dielectric
{
	name = gap4bottom
	A1 = ((1 - plate_frac)*3.5 + 4*plate_frac)*period_z
	A2 = 0
	B1 = n_plates*period_z
	B2 = 0
	normal = 1
}
Dielectric
{
	name = gap4top
	A1 = ((1 - plate_frac)*3.5 + 4*plate_frac)*period_z
	A2 = dy
	B1 = n_plates*period_z
	B2 = dy
	normal = -1
}
}