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SWIFT
SWIFTsim
Commits
2d5efd2a
Commit
2d5efd2a
authored
8 years ago
by
Tom Theuns
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updated dis-patch. Verified stable equilibirum over 250 dynamical times with 8192 particles
parent
668bb3ce
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1 merge request
!217
Disk patch
Changes
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2 changed files
examples/Disk-Patch/HydroStatic/disk-patch-icc.yml
+61
-0
61 additions, 0 deletions
examples/Disk-Patch/HydroStatic/disk-patch-icc.yml
examples/Disk-Patch/HydroStatic/dynamic.pro
+33
-8
33 additions, 8 deletions
examples/Disk-Patch/HydroStatic/dynamic.pro
with
94 additions
and
8 deletions
examples/Disk-Patch/HydroStatic/disk-patch-icc.yml
0 → 100644
+
61
−
0
View file @
2d5efd2a
# Define the system of units to use internally.
InternalUnitSystem
:
UnitMass_in_cgs
:
1.9885e33
# Grams
UnitLength_in_cgs
:
3.0856776e18
# Centimeters
UnitVelocity_in_cgs
:
1e5
# Centimeters per second
UnitCurrent_in_cgs
:
1
# Amperes
UnitTemp_in_cgs
:
1
# Kelvin
# Parameters governing the time integration
TimeIntegration
:
time_begin
:
0
# The starting time of the simulation (in internal units).
time_end
:
968.
# The end time of the simulation (in internal units).
dt_min
:
1e-4
# The minimal time-step size of the simulation (in internal units).
dt_max
:
1.
# The maximal time-step size of the simulation (in internal units).
# Parameters governing the conserved quantities statistics
Statistics
:
delta_time
:
1
# Time between statistics output
# Parameters governing the snapshots
Snapshots
:
basename
:
Disk-Patch
# Common part of the name of output files
time_first
:
0.
# Time of the first output (in internal units)
delta_time
:
12.
# Time difference between consecutive outputs (in internal units)
# Parameters for the hydrodynamics scheme
SPH
:
resolution_eta
:
1.2349
# Target smoothing length in units of the mean inter-particle separation (1.2349 == 48Ngbs with the cubic spline kernel).
delta_neighbours
:
0.1
# The tolerance for the targetted number of neighbours.
CFL_condition
:
0.1
# Courant-Friedrich-Levy condition for time integration.
max_ghost_iterations
:
30
# Maximal number of iterations allowed to converge towards the smoothing length.
max_smoothing_length
:
70.
# Maximal smoothing length allowed (in internal units).
# Parameters related to the initial conditions
InitialConditions
:
file_name
:
Disk-Patch.hdf5
# The file to read
h_scaling
:
1.
# A scaling factor to apply to all smoothing lengths in the ICs.
shift_x
:
0.
# A shift to apply to all particles read from the ICs (in internal units).
shift_y
:
0.
shift_z
:
0.
# External potential parameters
PointMass
:
position_x
:
50.
# location of external point mass in internal units
position_y
:
50.
position_z
:
50.
mass
:
1e10
# mass of external point mass in internal units
timestep_mult
:
0.03
# controls time step
IsothermalPotential
:
position_x
:
100.
# location of centre of isothermal potential in internal units
position_y
:
100.
position_z
:
100.
vrot
:
200.
# rotation speed of isothermal potential in internal units
timestep_mult
:
0.03
# controls time step
Disk-PatchPotential
:
surface_density
:
10.
scale_height
:
100.
z_disk
:
200.
timestep_mult
:
0.03
This diff is collapsed.
Click to expand it.
examples/Disk-Patch/HydroStatic/dynamic.pro
+
33
−
8
View file @
2d5efd2a
...
@@ -19,9 +19,14 @@ uV = 1d5 ; unit of velocity
...
@@ -19,9 +19,14 @@ uV = 1d5 ; unit of velocity
surface_density
=
10
.
surface_density
=
10
.
scale_height
=
100
.
scale_height
=
100
.
z_disk
=
200
.;
z_disk
=
200
.;
gamma
=
5
.
/
3
.
;
derived
units
;
derived
units
constG
=
10
.
^
(
alog10
(
phys
.
g
)
+
alog10
(
uM
)
-
2
d0
*
alog10
(
uV
)
-
alog10
(
uL
))
;
constG
=
10
.
^
(
alog10
(
phys
.
g
)
+
alog10
(
uM
)
-
2
d0
*
alog10
(
uV
)
-
alog10
(
uL
))
;
pcentre
=
[
0
.,
0
.,
z_disk
]
*
pc
/
uL
pcentre
=
[
0
.,
0
.,
z_disk
]
*
pc
/
uL
utherm
=
!
pi
*
constG
*
surface_density
*
scale_height
/
(
gamma
-
1
.)
soundspeed
=
sqrt
(
gamma
*
(
gamma
-
1
.)
*
utherm
)
t_dyn
=
sqrt
(
scale_height
/
(
constG
*
surface_density
))
;
;
infile
=
indir
+
basefile
+
'*'
infile
=
indir
+
basefile
+
'*'
...
@@ -48,7 +53,7 @@ rbins = (surface_density/(2.*scale_height)) / cosh(abs(zbins)/scale_height)^2
...
@@ -48,7 +53,7 @@ rbins = (surface_density/(2.*scale_height)) / cosh(abs(zbins)/scale_height)^2
;
plot
analytic
profile
;
plot
analytic
profile
wset
,
0
wset
,
0
plot
,[
0
],[
0
],
xr
=
[
0
,
2
*
scale_height
],
yr
=
[
0
,
max
(
rbins
)],
/
nodata
,
xtitle
=
'|z|'
,
ytitle
=
textoidl
(
'\rho'
)
plot
,[
0
],[
0
],
xr
=
[
0
,
2
*
scale_height
],
yr
=
[
0
,
max
(
rbins
)],
/
nodata
,
xtitle
=
'|z|'
,
ytitle
=
textoidl
(
'\rho'
)
oplot
,
zbins
,
rbins
oplot
,
zbins
,
rbins
,
color
=
blue
ifile
=
0
ifile
=
0
nskip
=
nfiles
-
1
nskip
=
nfiles
-
1
...
@@ -56,8 +61,10 @@ isave = 0
...
@@ -56,8 +61,10 @@ isave = 0
nplot
=
8192
;
randomly
plot
particles
nplot
=
8192
;
randomly
plot
particles
color
=
floor
(
findgen
(
nfiles
)
/
float
(
nfiles
-
1
)
*
255
)
color
=
floor
(
findgen
(
nfiles
)
/
float
(
nfiles
-
1
)
*
255
)
;
for
ifile
=
0
,
nfiles
-
1
,
nskip
do
begin
;
for
ifile
=
0
,
nfiles
-
1
,
nskip
do
begin
tsave
=
[
0
.]
tsave
=
[
0
.]
for
ifile
=
0
,
nfiles
-
1
,
nskip
do
begin
toplot
=
[
1
,
nfiles
-
1
]
for
iplot
=
0
,
1
do
begin
ifile
=
toplot
[
iplot
]
inf
=
indir
+
basefile
+
strtrim
(
string
(
ifile
,
'(i3.3)'
),
1
)
+
'.hdf5'
inf
=
indir
+
basefile
+
strtrim
(
string
(
ifile
,
'(i3.3)'
),
1
)
+
'.hdf5'
time
=
h5ra
(
inf
,
'Header'
,
'Time'
)
time
=
h5ra
(
inf
,
'Header'
,
'Time'
)
tsave
=
[
tsave
,
time
]
tsave
=
[
tsave
,
time
]
...
@@ -86,19 +93,37 @@ for ifile=0,nfiles-1,nskip do begin
...
@@ -86,19 +93,37 @@ for ifile=0,nfiles-1,nskip do begin
ip
=
floor
(
randomu
(
ifile
+
1
,
nplot
)
*
n_elements
(
rho
))
ip
=
floor
(
randomu
(
ifile
+
1
,
nplot
)
*
n_elements
(
rho
))
color
=
red
color
=
red
if
(
ifile
eq
0
)
then
color
=
black
if
(
ifile
eq
1
)
then
begin
color
=
black
endif
else
begin
color
=
red
endelse
oplot
,
abs
(
p
[
2
,
ip
]),
rho
[
ip
],
psym
=
3
,
color
=
color
oplot
,
abs
(
p
[
2
,
ip
]),
rho
[
ip
],
psym
=
3
,
color
=
color
isave
=
isave
+
1
isave
=
isave
+
1
endfor
endfor
tsave
=
tsave
[
1
:*
]
;
time
in
units
of
dynamical
time
tsave
=
tsave
[
1
:*
]
/
t_dyn
label
=
[
''
]
label
=
[
''
]
for
i
=
0
,
n_elements
(
tsave
)
-
1
do
label
=
[
label
,
't='
+
string
(
tsave
[
i
],
format
=
'(f8.0)'
)]
for
i
=
0
,
n_elements
(
tsave
)
-
1
do
label
=
[
label
,
't
ime/t_dynamic
='
+
string
(
tsave
[
i
],
format
=
'(f8.0)'
)]
label
=
label
[
1
:*
]
label
=
label
[
1
:*
]
legend
,[
label
[
0
],
label
[
1
]],
linestyle
=
[
0
,
0
],
color
=
[
black
,
red
],
box
=
0
,
/
top
,
/
right
legend
,[
'analytic'
,
label
[
0
],
label
[
1
]],
linestyle
=
[
0
,
0
,
0
],
color
=
[
blue
,
black
,
red
],
box
=
0
,
/
top
,
/
right
;
make
histograms
of
particle
velocities
xr
=
1
d
-
3
*
[
-
1
,
1
]
bsize
=
1
.
d
-
5
ohist
,
v
[
0
,
*
]
/
soundspeed
,
x
,
vx
,
xr
[
0
],
xr
[
1
],
bsize
ohist
,
v
[
1
,
*
]
/
soundspeed
,
y
,
vy
,
xr
[
0
],
xr
[
1
],
bsize
ohist
,
v
[
2
,
*
]
/
soundspeed
,
z
,
vz
,
xr
[
0
],
xr
[
1
],
bsize
wset
,
2
plot
,
x
,
vx
,
psym
=
10
,
xtitle
=
'velocity/soundspeed'
,
ytitle
=
'pdf'
,
/
nodata
,
xr
=
xr
,
/
xs
oplot
,
x
,
vx
,
psym
=
10
,
color
=
black
oplot
,
y
,
vy
,
psym
=
10
,
color
=
blue
oplot
,
z
,
vz
,
psym
=
10
,
color
=
red
legend
,[
'vx/c'
,
'vy/c'
,
'vz/c'
],
linestyle
=
[
0
,
0
,
0
],
color
=
[
black
,
blue
,
red
],
box
=
0
,
/
top
,
/
right
end
end
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