Accessing cosmological simulations A. Klypin (NMSU) Friday, - PowerPoint PPT Presentation

Sep 13, 2022 •280 likes •478 views

Accessing cosmological simulations A. Klypin (NMSU) Friday, December 17, 2010 Groups: NMSU: Klypin UCSC: Primack Stanford: Wechsler AIP: Gottlober Madrid: Yepes, Knebe Jerusalem: Dekel, Hoffman, Ceverino Chicago:

Accessing cosmological simulations A. Klypin (NMSU) Friday, December 17, 2010
Groups: NMSU: Klypin UCSC: Primack Stanford: Wechsler AIP: Gottlober Madrid: Yepes, Knebe Jerusalem: Dekel, Hoffman, Ceverino Chicago: Kravtsov, Gnedin Granada: Prada Warsaw: Lokas + T.J.Cox, M.Busha ... Friday, December 17, 2010
CPU resources: total allocations 5-6M hrs NASA Ames Marenostrum (Barcelona) Julich (Germany) LRZ (Germany) NERSC Friday, December 17, 2010
Main projects: • Bolshoi: 250Mpc, 8G particles, 1kpc resolution, N-body ART: Magellanic Clouds + • bigBolshoi/MultiDark: 1Gpc, 8G particles, 5kpc: Milky Way-size halos + • All 1e15Msun clusters re-simulated with 8 times smaller mass, full hydro+SF, GADGET • Local Volumes: hundreds of MW-halos. Small halos complete 10km/s, N-body ART • Galaxy Formation: hydro runs of individual galaxies. ART, resolution down to 10pc 100-200 Tb/year of high-res models Friday, December 17, 2010
Friday, December 17, 2010
Friday, December 17, 2010
Friday, December 17, 2010
http://www.multidark.org/MultiDark Friday, December 17, 2010
• Simulations should be made easily accessible for different groups: catalogs and raw data • MultiDark database at AIP is a great start • Few data centers (in US and in Europe) are needed • Need to have support - personnel and hardware - for the centers Friday, December 17, 2010
New way to represent halo concentration Prada et al 2010 Friday, December 17, 2010
Concentration of clusters of galaxies Ettori et al 2010 WMAP-7, sigma8 =0.82 Prada et al 2010 Maccio et al 2008 Friday, December 17, 2010
HAM - halo abundance matching Luminosity function, Stellar mass function, Halo mass function Friday, December 17, 2010
Friday, December 17, 2010
Friday, December 17, 2010
Friday, December 17, 2010
Friday, December 17, 2010
Friday, December 17, 2010
Friday, December 17, 2010

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