Poster Title:  Simulations of black holes and gravitational waves with discontinuous Galerkin methods
Poster Abstract: 

I develop numerical techniques to simulate black holes, neutron stars and their gravitational radiation, with a particular focus on enabling current and future gravitational wave observatories to detect signals from these astrophysical objects. To this end, I work with the Simulating eXtreme Spacetimes (SXS) collaboration on a next-generation numerical relativity code that aims to dynamically resolve the violent interactions between gravity and matter that make these simulations so demanding. We incorporate nodal discontinuous Galerkin methods, task-based parallellism, and adaptive mesh refinement to distribute computation to supercomputers. My main area of research is the development of numerical schemes for the general relativistic initial data problems in our simulations. Since these involve solving large linear systems of equations, I currently develop preconditioning techniques that are optimized for our simulations and must be highly parallelizable.


Poster ID:  A-3
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Poster URL:  https://trello.com/b/g5Tcs6yy/simulations-of-black-holes-and-gravitational-waves-with-discontinuous-galerkin-methods