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mkmestel - make a finite Mestel disk
mkmestel out=snapshot [parameters=values
...]
mkmestel creates a Mestel disk (cumulative mass increases
linearly with radius). Particles orbit clockwise, and can be given some
initial velocity dispersion through the user supplied Toomre parameter.
snapmass(1NEMO)
and snapcenter(1NEMO)
have to be used if for some reason
the user want finite mass particles and a perfectly centered set of particles.
The following parameters are recognized in any order if the keyword
is also given:
- out=out_file
- The data are written to this file in SnapShot(5NEMO)
format [no default].
- rcut=max_disk_radius
- Cutoff radius of disk. [Default:
1].
- ndisk=num_bodies
- Number of disk particles [default: 2048]
- Qtoomre=Q
- Toomre’s stability parameter, which scales the velocity dispersion in the
disk. [1]
- seed=random_seed
- Use random number seed. [default: 0].
- headline=message
- Text headline for output file [default: not used].
mktestdisk(1NEMO)
,
mkbaredisk(1NEMO)
, snapmass(1NEMO)
, snapcenter(1NEMO)
5-mar-90 V1.0 Created PJT
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