| Gravity: |
Treecodes (or variants):
-
Good dynamic range
-
No assumed symmetry
-
Efficient spatially and computationally
|
|
Hydrodynamics:
|
Smoothed Particle Hydrodynamics:
-
Lagrangian technique
-
More "physical" than sticky particles
-
Worse shock capturing than grid codes
|
|
Thermodynamics:
|
Different Methodologies:
-
Heating/Cooling
-
Isothermal
|
|
Star Formation:
|
Different Methodologies:
-
Jeans Unstable (on large
scales)
(Katz 1992; Navarro & White 1993; Friedli & Benz 1995; Gerritsen
1999)
-
Schmidt Law
(Mihos 1992; Mihos & Hernquist 1994; Friedli
& Benz 1995, Bekki 1998)
-
Threshhold (???)
(Toomre 1962; Quirk 1972; Kennicutt 1989)
|
|
Feedback:
|
Different Methodologies:
-
Thermal - give thermal energy
to surrounding particles
(Katz 1992; Katz etal 1996)
-
Kinetic - give velocity kicks
to surrounding particles
(Navarro & White 1993; Mihos & Hernquist 1994; Friedli &
Benz 1995)
-
"Pressure Particle" - give one
particle excess pressure
(Heller & Shlosman 1994; Gerritsen 1999)
-
None - computationally simple!
C call feedback(sfr)
(Bekki 1998)
|
|
Add-ons:
|
Only for the strong hearted!
-
Population Synthesis
-
Enrichment Schemes
-
Radiative Transfer
|
Modeling Techniques