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Performing accurate large eddy simulations in compressible, turbulent magnetohydrodynamics is more challenging than in non-magnetized fluids due to the complex interplay between kinetic, magnetic and internal energy at different scales.…

Fluid Dynamics · Physics 2019-10-23 Daniele Viganò , Ricard Aguilera-Miret , Carlos Palenzuela

The LALSuite data analysis libraries, written in C, implement key routines critical to the successful detection of gravitational waves, such as the template waveforms describing the merger of two black holes or two neutron stars. SWIGLAL is…

Instrumentation and Methods for Astrophysics · Physics 2020-12-18 Karl Wette

We train graph neural networks to perform field-level likelihood-free inference using galaxy catalogs from state-of-the-art hydrodynamic simulations of the CAMELS project. Our models are rotational, translational, and permutation invariant…

While cosmological dark matter-only simulations relying solely on gravitational effects are comparably fast to compute, baryonic properties in simulated galaxies require complex hydrodynamic simulations that are computationally costly to…

Astrophysics of Galaxies · Physics 2022-11-16 Ben Moews , Romeel Davé , Sourav Mitra , Sultan Hassan , Weiguang Cui

We discuss the design and software implementation of a nuclear data evaluation pipeline applied for a fully reproducible evaluation of neutron-induced cross sections of $^{56}$Fe above the resolved resonance region using the nuclear model…

Data Analysis, Statistics and Probability · Physics 2021-05-07 Georg Schnabel , Henrik Sjöstrand , Joachim Hansson , Dimitri Rochman , Arjan Koning , Roberto Capote

Human reliability analysis (HRA) is crucial for evaluating and improving the safety of complex systems. Recent efforts have focused on estimating human error probability (HEP), but existing methods often rely heavily on expert…

Computation and Language · Computer Science 2024-12-30 Xingyu Xiao , Peng Chen , Ben Qi , Hongru Zhao , Jingang Liang , Jiejuan Tong , Haitao Wang

The numerical solution of relativistic hydrodynamics equations in conservative form requires root-finding algorithms that invert the conservative-to-primitive variables map. These algorithms employ the equation of state of the fluid and can…

Instrumentation and Methods for Astrophysics · Physics 2021-11-15 Tobias Dieselhorst , William Cook , Sebastiano Bernuzzi , David Radice

Graph Neural Network (GNN)-based network intrusion detection systems (NIDS) are often evaluated on single datasets, limiting their ability to generalize under distribution drift. Furthermore, their adversarial robustness is typically…

Cryptography and Security · Computer Science 2025-07-16 Zhonghao Zhan , Huichi Zhou , Hamed Haddadi

The analysis of state-of-the-art cosmological surveys like the Dark Energy Spectroscopic Instrument (DESI) survey requires high-resolution, large-volume simulations. However, the computational cost of hydrodynamical simulations at these…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-19 M. Icaza-Lizaola , E. L. Sirks , Yong-Seon Song , Peder Norberg , Feng Shi

Graph rewrite systems are powerful tools to model and study complex problems in various fields of research. Their successful application to chemical reaction modelling on a molecular level was shown but no appropriate and simple system is…

Mathematical Software · Computer Science 2013-04-05 Martin Mann , Heinz Ekker , Christoph Flamm

The Event Horizon Telescope (EHT) has released analyses of reconstructed images of horizon-scale millimeter emission near the supermassive black hole at the center of the M87 galaxy. Parts of the analyses made use of a large library of…

We present the public data release of halo and galaxy catalogues extracted from the EAGLE suite of cosmological hydrodynamical simulations of galaxy formation. These simulations were performed with an enhanced version of the GADGET code…

Modern gravitational-wave science demands increasingly accurate and computationally intensive numerical relativity (NR) simulations. The Python-based, open-source NRPy framework generates optimized C/C++ code for NR, including the complete…

General Relativity and Quantum Cosmology · Physics 2025-07-29 Nishita Jadoo , Terrence Pierre Jacques , Zachariah B. Etienne

Over the last few years, there has been an increasing interest in sub-solar mass black holes due to their potential to provide valuable information about cosmology or the black hole population. Motivated by this, we study observable…

General Relativity and Quantum Cosmology · Physics 2025-06-10 Ivan Markin , Anna Neuweiler , Adrian Abac , Swami Vivekanandji Chaurasia , Maximiliano Ujevic , Mattia Bulla , Tim Dietrich

We describe a method of implementing the axisymmetric evolution of general-relativistic hydrodynamics and magnetohydrodynamics through modification of a multipatch grid scheme. In order to ease the computational requirements required to…

Driven by the increasing volume of recorded data, the demand for simulation from experiments based at the Large Hadron Collider will rise sharply in the coming years. Addressing this demand solely with existing computationally intensive…

Quantum impurity models (QIMs) are ubiquitous throughout physics. As simplified toy models they provide crucial insights for understanding more complicated strongly correlated systems, while in their own right are accurate descriptions of…

Statistical Mechanics · Physics 2023-10-12 Colin Rylands , Pasquale Calabrese

We present a new three-dimensional fully general-relativistic hydrodynamics code using high-resolution shock-capturing techniques and a conformal traceless formulation of the Einstein equations. Besides presenting a thorough set of tests…

General Relativity and Quantum Cosmology · Physics 2011-09-30 L. Baiotti , I. Hawke , P. J. Montero , F. Loeffler , L. Rezzolla , N. Stergioulas , J. A. Font , E. Seidel

Global surface water detection in very-high-resolution (VHR) satellite imagery can directly serve major applications such as refined flood mapping and water resource assessment. Although achievements have been made in detecting surface…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Yansheng Li , Bo Dang , Wanchun Li , Yongjun Zhang

Astronomers are increasingly using Massively Parallel Network of Workstations (MP-NOW) to address their most challenging computing problems. Fully exploiting these systems is made more difficult as more and more modeling and data analysis…

Astrophysics · Physics 2015-05-26 Jeremy Kepner , Maya Gokhale , Ron Minnich , Aaron Marks , John DeGood
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