The HORIZON Simulations at MareNostrum

• The HORIZON "Galaxy Formation" Simulation : 2048-processors RAMSES simulation at BSC, volume size 50 Mpc/h, 128 outputs, 100-200 GB per output

• Evolution of the density distribution

• color is associated to the gas temperature (hot=red,cold=blue) and intensity is associated to the gas density

  

• Visualization of the final state, output 128, baryon gas density and temperature mix

• Zooming on a spiral galaxy
  • AMR Level 10 to 15, 960x540, duration 43s
  • Rendering of galaxies and filaments (AVI 75 MB):

  

  • Visual FX (AVI 52 MB) :

  

  • Rendering of galaxies (AVI 49 MB) :

  

• Visualization of the final state, output 128, baryon gaz density, redshift 1.56

• Zooming on a spiral galaxy
  • AMR Level 10 to 15, 1024x768, duration 43s
  • avi compressed with xvid : quality 8 (size 15 MB) and quality 1 (size 174 MB)

  

• Exploration of the simulation from large-scale structures to a spiral galaxy
  • AMR Level 10 to 14, 1024x768, duration 2min08s
  • avi compressed with xvid : quality 8 (size 90 MB) and quality 1 (size 552 MB)



• Visualization of the baryon gas density
  • AMR Level 10 full volume projected in a 1024^3 grid
  • avi size 330 MB compressed with xvid, film duration 36 sec, film resolution 1024x768, also available in lower quality (size 64 MB)



• Baryon gas, output 97

• volume projection by ray-casting
• color is associated to the gas temperature (hot=red,cold=blue) and intensity is associated to the gas density
• images are obtained using S. Colombi mixing algorithm
• avi compressed with xvid quality 1 (160 MB) :

• Journey through the cosmological structures, output 97 (redshift 2.), AMR Level 10 to 14 :
  • Visualization of the baryon gas density
    • avi size 312 MB compressed with xvid,also available in cinepak avi (452 MB)
    • film duration 1 min 44 sec, film resolution 1024x768



• Visualization of the baryon gas temperature
  • avi size 43 MB compressed with xvid,also available in cinepak avi (386 Mb)
  • film duration 1 min 44 sec, film resolution 1024x768



• Side-by-side visualization of the baryon gas density and temperature fields
• avi size 310 Mb compressed with xvid



• The baryon gas density and temperature distributions, output 97 :
  • Visualization of the baryon gas density
    • avi size 60Mb
    • film duration 12 sec
    • also available in mpeg (31Mb)



• Visualization of the baryon gas temperature
  • avi size 61Mb
  • film duration 12 sec



• Surface of iso-density
  • mpeg size 31Mb
  • film duration 12 sec
    • 36 sec sequence (92 Mb)
    • 60 sec sequence (154 Mb)

  

• Horizontal slices of the baryon gas density, scanning upward
  • avi size 268 Mb
  • film duration 34 sec
  • a shorter film (AMR Level 9, avi size 139 Mb, duration 17 sec)