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SUMMARY:CCA Colloquium: Evan Schneider
DTSTART:20230519T193000Z
DTEND:20230519T203000Z
DTSTAMP:20260607T193200Z
UID:indico-event-3531@indico.flatironinstitute.org
DESCRIPTION:CCA Colloquium: Evan SchneiderTitle: Galaxy Simulations in t
 he Era of ExascaleAbstract: Recent years have witnessed enormous gains in
  the complexity of astrophysics simulations\, and the computational power 
 of the machines that run them. Only a couple decades ago\, models of galax
 y formation and evolution employed calculations with a few million cells o
 r particles -- now those numbers typically exceed billions. With the adven
 t of modern\, GPU-based machines\, such as the exascale-breaking Frontier
  at Oak Ridge National Lab\, a new opportunity arises to increase the res
 olution of simulations by orders-of-magnitude more... provided the softwar
 e can keep up. In this talk\, I will describe our work to prepare the astr
 ophysics code Cholla to run a “grand-challenge" trillion-cell galaxy sim
 ulation on Frontier. With a domain resolution of 10\,0003 cells\, this s
 imulation will be able to self-consistently capture the cycle of star form
 ation\, supernovae\, and galaxy outflows on the scale of our own Milky Way
  galaxy. The simulation will additionally produce hundreds of terabytes of
  data to be compared with the increasingly detailed surveys of our Galaxy.
  Combining these results promises to help us answer fundamental questions 
 about how galaxies form\, grow\, and evolve throughout cosmic history.  
 \n\nhttps://indico.flatironinstitute.org/event/3531/
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LOCATION:162 Fifth Ave\, 5th Floor Classroom (In Person and Via Zoom)
URL:https://indico.flatironinstitute.org/event/3531/
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