Tag: numerical relativity

“Relativistic Fluids around Compact Objects” Workshop

Last week (May 5 to 7 2025), I had the pleasure of attending the Relativistic Fluids around Compact Objects workshop, held at the Nicolaus Copernicus Astronomical Center (CAMK) in Warsaw, Poland. This event brought together leading experts in astrophysics to discuss the latest advancements in GRMHD simulations and their implications for compact objects like black holes and neutron stars.

The workshop covered a wide range of topics, and I had the opportunity to present my recent results in the modeling of multi-messenger signals from accreting supermassive black hole mergers (slides available here).

The workshop provided a fantastic opportunity to connect with colleagues, exchange ideas, and explore potential collaborations. I’m grateful to the organizers for putting together such a well-structured event and to everyone who attended my talk.

The Spritz Code

image of an Aperol Spritz cocktail

Our first paper on our new code Spritz has been published on Classical and Quantum Gravity. The code is also publicly available on Zenodo. This first paper presents tests in special and general relativistic magnetohydrodynamics. We are currently working on a second paper that will present our current tests of its equation of state driver and neutrino emission scheme.

The code will then be used for numerical relativity simulations of neutron star binary mergers.

Einstein Toolkit and TCAN Workshops at RIT

This week I participated at two very interesting workshops at the Rochester Institute of Technology: the Einstein Toolkit and the TCAN meeting. I gave a talk on wednesday presenting some applications of my WhiskyMHD code to binary neutron star mergers (below you can find the YouTube video of my talk).

Both workshops were successful and with very interesting discussions about the future of the Einstein Toolkit and our plan for the next year of our TCAN international collaboration funded by NASA. Many young researchers joined both meetings indicating a strong potential growth for the field of numerical relativity applied at astrophysical sources.

© 2025 Bruno Giacomazzo

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