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DTSTART:19700308T020000
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BEGIN:VEVENT
DTSTAMP:20260522T150124Z
LOCATION:D220
DTSTART;TZID=America/Chicago:20181111T141800
DTEND;TZID=America/Chicago:20181111T142100
UID:submissions.supercomputing.org_SC18_sess160_ws_whpc106@linklings.com
SUMMARY:A  Deferred Correction Coupling Strategy for Cosmological Simulati
 ons
DESCRIPTION:Jean M. Sexton (Lawrence Berkeley National Laboratory)\n\nWe p
 resent a strategy for coupling the equations of baryonic gas dynamics to t
 hose for radiative heating and cooling in the context of Nyx, an N-body + 
 gas dynamics code for large-scale cosmological simulations. The radiative 
 and advective processes have differing time scales. To avoid Strang splitt
 ing errors, we couple the processes with a simplified spectral deferred co
 rrection strategy. Preliminary results indicate that the improved coupling
  strategy improves stability and reduces the cost of integrating the heati
 ng and cooling terms for our Lyman-alpha forest test case.\n\nTag: Diversi
 ty, Education, Hot Topics\n\nRegistration Category: Workshop Reg Pass\n\nS
 ession Chairs: Toni Collis (Women in High Performance Computing); Weronika
  Filinger (Edinburgh Parallel Computing Centre (EPCC); University of Edinb
 urgh, Scotland); and Misbah Mubarak (Amazon Web Services)\n\n
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