This three-year, $148,578 project grant from the National Science Foundation's Mathematical and Physical Sciences Directorate under the CFDA 47.049 program will support the development of an open-source community code for multi-scale, multi-physics problems in astrophysics and gravitational physics. Specifically, the awardee Cornell University will complete development of the Elements code using discontinuous Galerkin methods and task-based parallelism to solve dynamical Einstein equations on exascale computing architectures over long time scales. This new multi-physics application code is designed to scale to over one million cores to enable efficient exploration of astrophysical sources and physics mechanisms. It will allow astrophysicists to study topics like core-collapse supernovae, compact object phenomena, and dense matter equations of state. The code will also have revolutionary impact on solving partial differential equations in other fields relying on exascale high-performance computing, advancing both multi-messenger astrophysics and the National Strategic Computing Initiative's objectives.
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