Cosmological Simulations


 

Parameter Model
 Name
 Box120 Box160CR512 Box160CR1024 Box160LG Box120B Box120c
 Box(Mpch)
 120 160 160 160 120 120
 h
 0.7 0.7 0.73 0.73 0.70 0.70
 Omo
 0.30 0.30 0.24 0.24 0.27 0.27
 Ombar
 0.045 0.045 0.04 0.04 0.047 0.047
 OmL
 0.70 0.70 0.76 0.76 0.73 0.73
 sigma8
 0.90 0.90 0.75 0.75 0.7913 0.82
 Spectrum
 W.Hu table W.Hu table EisHu approx EisHu approx pk_camb pk_camb
 
 - - n=0.95 n=0.95 n=0.95 0.95
 Nparticles
 512 512 1024 150M+150M 1024 1024
 Particle mass, Msunh
 1.07e9 2.54e9 2.54e8 3.97e6 1.19e8 1.19e8
 Resolution, kpch
 1.8 2.4 1.22 0.30 1.8 z=6 1.0
 Max Levels
 8 8 9 11 8 z=6 9
 Step da
 2e-3 2e-3 3e-3 3e-3

variable: da=(0.5-4)e-3 step doubles at N=16,32,64,196

 4e-3 variable
 Ngrid
 256 256 256 256 256 256
 Nrow
 1024 2048 4096 4096 2048 2048
 Nseed
 - CR: 100 CR:206500
Coma		 CR:206500
Coma		 -121071 -121071
 Computer
 seaborg MN/columbia LRZ/columbia LRZ/MN LRZ 4700

pleiades 4

 Repository

Nersc
490steps

 columbia LRZ LRZ LRZ a2c29cr ptmp1/../Box120 lou
 Comments
 1024:4;x4;8 dmax=0.5 20min/step dmax=0.15 6x6x6=216x2 procs 8x8x8 4096cores
- - - - same setup as Box1GpcA zinit=50 siginit =0.137
2002-2003 - 2005 2005 Dec 2007 Dec 2008
 Images/Discussion
 Publications/Citations