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We introduce the MOdelling Star cluster population Assembly In Cosmological Simulations within EAGLE (E-MOSAICS) project. E-MOSAICS incorporates models describing the formation, evolution and disruption of star clusters into the EAGLE…

Astrophysics of Galaxies · Physics 2018-02-28 Joel Pfeffer , J. M. Diederik Kruijssen , Robert A. Crain , Nate Bastian

We present a two-step method to simulate and study non-circular motions in strongly barred galaxies. The first step is to constrain the initial parameters using a Bayesian analysis of each galaxy's azimuthally averaged rotation curve, the…

Astrophysics of Galaxies · Physics 2018-10-24 T. H. Randriamampandry , N. Deg , C. Carignan , L. M. Widrow

Maritime object detection is essential for navigation safety, surveillance, and autonomous operations, yet constrained by two key challenges: the scarcity of annotated maritime data and poor generalization across various maritime attributes…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Yu Guo , Shengfeng He , Yuxu Lu , Haonan An , Yihang Tao , Huilin Zhu , Jingxian Liu , Yuguang Fang

High-resolution observations from the sub-mm to the optical wavelength regime resolve the central few 100pc region of nearby galaxies in great detail. They reveal a large diversity of features: thick gas and stellar discs, nuclear…

Astrophysics of Galaxies · Physics 2017-11-08 M. Schartmann , J. Mould , K. Wada , A. Burkert , M. Durré , M. Behrendt , R. I. Davies , L. Burtscher

We present a multi-phase representation of the ISM in NB-TSPH simulations of galaxy formation and evolution with particular attention to the case of early-type galaxies. Cold gas clouds are described by the so-called sticky particles…

Astrophysics · Physics 2009-11-13 Emiliano Merlin , Cesare Chiosi

We present a new iterative method for constructing equilibrium phase models of stellar systems. Importantly, this method can provide phase models with arbitrary mass distributions. The method is based on the following principle. Our task is…

Astrophysics · Physics 2008-11-26 S. A. Rodionov , V. V. Orlov

Computational X-ray absorption near-edge structure (XANES) is widely used to probe local coordination environments, oxidation states, and electronic structure in chemically complex systems. However, the use of computational XANES at scale…

Materials Science · Physics 2026-04-20 Vitor F. Grizzi , Thang Duc Pham , Luke N. Pretzie , Jiayi Xu , Murat Keceli , Cong Liu

Nuclear Clusters (NCs) are common stellar systems in the centres of galaxies. Yet, the physical mechanisms involved in their formation are still debated. Using a parsec-resolution hydrodynamical simulation of a dwarf galaxy, we propose an…

Astrophysics of Galaxies · Physics 2016-07-01 Nicolas Guillard , Eric Emsellem , Florent Renaud

The Cesam code is a consistent set of programs and routines which perform calculations of 1D quasi-hydrostatic stellar evolution including microscopic diffusion of chemical species and diffusion of angular momentum. The solution of the…

Astrophysics · Physics 2009-06-23 Pierre Morel , Yveline Lebreton

We introduce JAX MD, a software package for performing differentiable physics simulations with a focus on molecular dynamics. JAX MD includes a number of physics simulation environments, as well as interaction potentials and neural networks…

Computational Physics · Physics 2020-12-04 Samuel S. Schoenholz , Ekin D. Cubuk

Automated test generation for web forms has been a longstanding challenge, exacerbated by the intrinsic human-centric design of forms and their complex, device-agnostic structures. We introduce an innovative approach, called FormNexus, for…

Software Engineering · Computer Science 2024-07-24 Parsa Alian , Noor Nashid , Mobina Shahbandeh , Ali Mesbah

A framework for simulation of dynamics of mechanical aggregates has been developed. This framework enables us to build model of aggregate from models of its parts. Framework is a part of universal framework for science and engineering.

Computational Engineering, Finance, and Science · Computer Science 2007-05-23 Petr R. Ivankov , Nikolay P. Ivankov

We discuss pioneering heat and fluid flow simulations of fusion and fission energy systems with NekRS on exascale computing facilities, including Frontier and Aurora. The Argonne-based code, NekRS, is a highly-performant open-source code…

Computational Engineering, Finance, and Science · Computer Science 2024-10-01 Misun Min , Yu-Hsiang Lan , Paul Fischer , Elia Merzari , Tri Nguyen , Haomin Yuan , Patrick Shriwise , Stefan Kerkemeier , Andrew Davis , Aleksandr Dubas , Rupert Eardly , Rob Akers , Thilina Rathnayake , Tim Warburton

We present a new N-body and gas dynamics code, called Nyx, for large-scale cosmological simulations. Nyx follows the temporal evolution of a system of discrete dark matter particles gravitationally coupled to an inviscid ideal fluid in an…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Ann Almgren , John Bell , Mike Lijewski , Zarija Lukić , Ethan Van Andel

We introduce the Nexus Adapters, novel text-guided efficient adapters to the diffusion-based framework for the Structure Preserving Conditional Generation (SPCG). Recently, structure-preserving methods have achieved promising results in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Aryan Das , Koushik Biswas , Swalpa Kumar Roy , Badri Narayana Patro , Vinay Kumar Verma

We introduce GausSim, a novel neural network-based simulator designed to capture the dynamic behaviors of real-world elastic objects represented through Gaussian kernels. We leverage continuum mechanics and treat each kernel as a Center of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Yidi Shao , Mu Huang , Chen Change Loy , Bo Dai

The rapid advancement of large-scale cosmological simulations has opened new avenues for cosmological and astrophysical research. However, the increasing diversity among cosmological simulation models presents a challenge to the robustness.…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-20 Yongseok Jo , Shy Genel , Anirvan Sengupta , Benjamin Wandelt , Rachel Somerville , Francisco Villaescusa-Navarro

We investigate the alignment of galaxies and haloes relative to cosmic web filaments using the EAGLE hydrodynamical simulation. We identify filaments by applying the NEXUS+ method to the mass distribution and the Bisous formalism to the…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-12 Punyakoti Ganeshaiah Veena , Marius Cautun , Elmo Tempel , Rien van de Weygaert , Carlos S. Frenk

Radial migration and dynamical heating redistribute stars within galactic discs and thereby modify the chemo-kinematic structure of their host galaxies. Usually, these secular processes are studied in N-body and hydrodynamical simulations…

We present a novel framework to self-consistently model the effects of radiation fields, dust physics and molecular chemistry (H$_2$) in the interstellar medium (ISM) of galaxies. The model combines a state-of-the-art radiation…