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DTSTART:19701101T020000
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BEGIN:VEVENT
DTSTAMP:20210916T132452Z
LOCATION:Lise Girardin
DTSTART;TZID=Europe/Stockholm:20210708T113000
DTEND;TZID=Europe/Stockholm:20210708T120000
UID:submissions.pasc-conference.org_PASC21_sess158_msa204@linklings.com
SUMMARY:Overview of General Relativistic N-Body Simulation
DESCRIPTION:Minisymposium\n\nOverview of General Relativistic N-Body Simul
 ation\n\nDaverio\n\nIn the past 5 years, efforts have been made to develop
  b-Body code where gravity is treated using General Relativity using diffe
 rent approaches of numerical relativity, using the weak field expansion, t
 he fully constraint formulation, the BSSN and CCZ4 formulation and finally
  the harmonic formulation. All those approaches are based on the particle-
 mesh method as a smooth particle hydrodynamic formulation of General Relat
 ivity is not yet existing. In this talk, I will first discuss the differen
 ce between Newtonian n-body codes, namely the need of projecting the veloc
 ity and stress fields and then discuss the difference between the formulat
 ion of the Einstein equation used in the currently existing code. Finally 
 the analysis on the output of relativistic codes will be shortly discussed
 .\n\nDomain: Physics
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