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DCREATED:20130523T210453Z
DTSTART:20120419T230000Z
DTEND:20120420T000000Z
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SUMMARY:Black Hole simulations and High Performance Computing
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:Dr. Celine Cattoen=0D=0ABlueFern High Performance Computing Centre=0D=0A=0D=0ABlack Hole simulations and High Performance Computing=0D=0A=0D=0AGravitational waves are one of the many phenomena predicted by Einstein's theory of general relativity that are still to be observed. Numerical Relativity is  the branch of General Relativity that studies simulations of relativistic binaries (black holes, neutron stars) and their associated gravitational waves. Since 2005, the field of Numerical Relativity has experienced many breakthroughs, with full inspiral-merger-ringdown simulations now possible. One of the main goals is to provide very accurate templates of gravitational waves for ground-based and space-based interferometers.=0D=0AI will give an overview of the recent progress and the diversity of the numerical methods and strategies to solve Binary Black Hole simulations. In particular, I will also cover in a little more detail some of my work on using the Spectral Element Method (SEM) for Black Hole simulations. More precisely, a singular Schwarszchild black hole evolution is used as a test case with the "BSSN" formulation of the Einstein equations and moving punctures. The spectral element method is highly parallelizable and is ideal for running simulations on supercomputers such as the new facilities at BlueFern which will also be briefly introduced.=0D=0A=0D=0ABibliography: Celine completed her engineering degree in applied mathematics from the French National Institute of Applied Sciences (INSA, Toulouse, France). She first came to New Zealand as an exchange student and then completed a MSci and PhD at Victoria University of Wellington with Prof Matt Visser, focusing on General Relativity and Cosmology. In 2009, she moved to Canada as a Postdoctoral Fellow at the University of Alberta, and discovered the joys of High Performance Computing when getting access to the national Canadian supercomputing facilities (Westgrid, Compute Canada). In October last year she moved to Christchurch and joined the BlueFern team at the University of Canterbury, which is part of the New Zealand National supercomputing facilities (NeSI).=0D=0A=0D=0APlease check back on the Events Calendar on the day of the event to ensure the event is still being held. If the event has been cancelled, it will no longer appear.=0D=0A
LOCATION:Room 701, Rutherford Building
CLASS:PUBLIC
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