Explanipedia

The Artificial Scientist -- in-transit Machine Learning of Plasma Simulations Open

Jeffrey Kelling, Vicente Bolea, Michael Bußmann, Ankush Checkervarty, Alexander Debus , et al. · 2025

Increasing HPC cluster sizes and large-scale simulations that produce petabytes of data per run, create massive IO and storage challenges for analysis. Deep learning-based techniques, in particular, make use of these amounts of domain data…

Frustrated Synchronization of the Kuramoto Model on Complex Networks Open

Géza Ódor, Shengfeng Deng, Jeffrey Kelling · 2024

We present a synchronization transition study of the locally coupled Kuramoto model on extremely large graphs. We compare regular 405 and 1004 lattice results with those of 12,0002 lattice substrates with power-law decaying long links (ll)…

Frustrated Synchronization of the Kuramoto Model on Complex Networks Open

Géza Ódor, Shengfeng Deng, Jeffrey Kelling · 2024

We present a synchronization transition study of the locally coupled Kuramoto model on extremely large graphs. We compare regular 405 and 1004 lattice results with those of 120002 lattice substrates with power-law decaying long links (ll).…

Dynamical heterogeneity and universality of power-grids Open

B. Hartmann, Géza Ódor, I. Papp, Kristóf Benedek, Shengfeng Deng , et al. · 2024

Electric power systems during transient states are extensively investigated using variations of the Kuramoto model to analyze their dynamic behavior. However, the majority of current models fail to capture the physics of power flows and th…

A critical review of the solution chemistry, solubility, and thermodynamics of europium: Recent advances on the Eu(III) hydrolysis Open

Norbert Jordan, T. Thoenen, Kastriot Spahiu, Jeffrey Kelling, Sebastian Starke , et al. · 2024

This review is aiming at providing a critical assessment of the published complexation constants and solubility products related to the hydrolysis of Eu(III) in aqueous medium. Original experimental data available from peer-reviewed scient…

Overarching Data Management Ecosystem at HZDR Open

Oliver Knodel, Thomas Gruber, Jeffrey Kelling, Mani Lokamani, S. Müller , et al. · 2023

When dealing with research data management, researchers at Helmholtz- Zentrum Dresden – Rossendorf (HZDR) face a variety of systems and tools. These range from the project planning phase (proposal management, data management plans and poli…

Dynamical heterogeneity and universality of power-grids Open

B. Hartmann, I. Papp, Kristóf Benedek, Shengfeng Deng, Géza Ódor , et al. · 2023

While weak, tuned asymmetry can improve, strong heterogeneity destroys synchronization in the electric power system. We study the level of heterogeneity, by comparing large high voltage (HV) power-grids of Europe and North America. We prov…

Revisiting and Modeling Power-Law Distributions in Empirical Outage Data of Power Systems Open

B. Hartmann, Shengfeng Deng, Géza Ódor, Jeffrey Kelling · 2023

The size distributions of planned and forced outages and their restoration times in power systems have been studied for almost two decades and have drawn great interest as they display heavy tails. Understanding heavy tails has been provid…

EZ: An efficient, charge conserving current deposition algorithm for electromagnetic particle-in-cell simulations Open

Klaus Steiniger, René Widera, Sergei Bastrakov, Michael Bußmann, Sunita Chandrasekaran , et al. · 2023

We present EZ, a novel current deposition algorithm for particle-in-cell (PIC) simulations. EZ calculates the current density on the electromagnetic grid due to macro-particle motion within a time step by solving the continuity equation of…

Stretch Evolution of Electronic Coupling of the Thiophenyl Anchoring Group with Gold in Mechanically Controllable Break Junctions Open

Mani Lokamani, Filip Kilibarda, Florian Günther, Jeffrey Kelling, Alexander Strobel , et al. · 2023

The current-voltage characteristics of a single-molecule junction are determined by the electronic coupling Γ between the electronic states of the electrodes and the dominant transport channel(s) of the molecule. Γ is profoundly affected b…

Raw data for the article 'Revisiting power-law distributions in empirical outage data of power systems' Open

Shengfeng Deng, B. Hartmann, Géza Ódor, Jeffrey Kelling · 2023

Raw data for the article 'Revisiting power-law distributions in empirical outage data of power systems' (see the manuscript preprint https://arxiv.org/abs/2303.12714 for more details).

Raw data for the article 'Revisiting power-law distributions in empirical outage data of power systems' Open

Shengfeng Deng, B. Hartmann, Géza Ódor, Jeffrey Kelling · 2023

Raw data for the article 'Revisiting power-law distributions in empirical outage data of power systems' (see the manuscript preprint https://arxiv.org/abs/2303.12714 for more details).

Raw data for the article 'Revisiting power-law distributions in empirical outage data of power systems' Open

Shengfeng Deng, B. Hartmann, Géza Ódor, Jeffrey Kelling · 2023

Raw data for the article 'Revisiting power-law distributions in empirical outage data of power systems' (see the manuscript preprint https://arxiv.org/abs/2303.12714 for more details).

Revisiting and modeling power-law distributions in empirical outage data of power systems Open

B. Hartmann, Shengfeng Deng, Géza Ódor, Jeffrey Kelling · 2023

The size distribution of planned and forced outages and following restoration times in power systems have been studied for almost two decades and has drawn great interest as they display heavy tails. Understanding of this phenomenon has be…

Synchronization transitions on connectome graphs with external force Open

Géza Ódor, I. Papp, Shengfeng Deng, Jeffrey Kelling · 2023

We investigate the synchronization transition of the Shinomoto-Kuramoto model on networks of the fruit-fly and two large human connectomes. This model contains a force term, thus is capable of describing critical behavior in the presence o…

Real-time data processing for ultrafast X-ray computed tomography using modular CUDA based pipelines Open

Dominic Windisch, Jeffrey Kelling, Guido Juckeland, André Bieberle · 2023

In this article, a new version of the Real-time Image Stream Algorithms (RISA) data processing suite is introduced. It now features online detector data acquisition, high-throughput data dumping and enhanced real-time data processing capab…

Synchronization transitions on connectome graphs with external force Open

Géza Ódor, I. Papp, Shengfeng Deng, Jeffrey Kelling · 2023

We investigate the synchronization transition of the Shinomoto-Kuramoto model on networks of the fruit-fly and two large human connectomes. This model contains a force term, thus is capable of describing critical behavior in the presence o…

Synchronization dynamics on power grids in Europe and the United States Open

Géza Ódor, Shengfeng Deng, B. Hartmann, Jeffrey Kelling · 2022

Dynamical simulation of the cascade failures on the Europe and United States (U.S.) high-voltage power grids has been done via solving the second-order Kuramoto equation. We show that synchronization transition happens by increasing the gl…

Synchronization dynamics on the EU and US power grids Open

Géza Ódor, Shengfeng Deng, B. Hartmann, Jeffrey Kelling · 2022

Dynamical simulation of the cascade failures on the EU and USA high-voltage power grids has been done via solving the second-order Kuramoto equation. We show that synchronization transition happens by increasing the global coupling paramet…

Differences in the critical dynamics underlying the human and fruit-fly connectome Open

Géza Ódor, Gustavo Deco, Jeffrey Kelling · 2022

Previous simulation studies on human connectomes suggested that critical dynamics emerge subcritically in the so-called Griffiths phases. Now we investigate this on the largest available brain network, the 21662 node fruit-fly connectome, …

What makes us humans: Differences in the critical dynamics underlying the human and fruit-fly connectome Open

Géza Ódor, Gustavo Deco, Jeffrey Kelling · 2022

Previous simulation studies on human connectomes suggested, that critical dynamics emerge subcrititcally in the so called Griffiths Phases. %This is the consequence of the strong heterogeneity of the graphs. Now we investigate this on the …

Challenges Porting a C++ Template-Metaprogramming Abstraction Layer to Directive-Based Offloading Open

Jeffrey Kelling, Sergei Bastrakov, Alexander Debus, T. Kluge, Matthew Leinhauser , et al. · 2022

Challenges Porting a C++ Template-Metaprogramming Abstraction Layer to Directive-based Offloading Open

Jeffrey Kelling, Sergei Bastrakov, Alexander Debus, T. Kluge, Matthew Leinhauser , et al. · 2021

HPC systems employ a growing variety of compute accelerators with different architectures and from different vendors. Large scientific applications are required to run efficiently across these systems but need to retain a single code-base …

Modelling on the very large-scale connectome Open

Géza Ódor, Michael T. Gastner, Jeffrey Kelling, Gustavo Deco · 2021

In this review, we discuss critical dynamics of simple nonequilibrium models on large connectomes, obtained by diffusion MRI, representing the white matter of the human brain. In the first chapter, we overview graph theoretical and topolog…

Describing chain-like assembly of ethoxygroup-functionalized organic molecules on Au(111) using high-throughput simulations Open

Lokamani, Jeffrey Kelling, Robin Ohmann, Jörg Meyer, Tim Kühne , et al. · 2021

The effect of noise on the synchronization dynamics of the Kuramoto model on a large human connectome graph Open

Géza Ódor, Jeffrey Kelling, Gustavo Deco · 2021

Modelling on the very large-scale connectome Open

Géza Ódor, Jeffrey Kelling, Michael T. Gastner, Gustavo Deco · 2021

In this review, we discuss critical dynamics of simple nonequilibrium models on large connectomes, obtained by diffusion MRI, representing the white matter of the human brain. In the first chapter, we overview graph theoretical and topolog…

Fabrication and temperature-dependent electrical characterization of a C-shape nanowire patterned by a DNA origami Open

Türkan Bayrak, Amanda Martinez-Reyes, David Daniel Ruiz Arce, Jeffrey Kelling, E. C. Sámano , et al. · 2021

Brain geometry matters in Alzheimer’s disease progression: a simulation study Open

Masoud Hoore, Jeffrey Kelling, Mahsa Sayadmanesh, Tanmay Mitra, Marta Schips , et al. · 2020

The Amyloid cascade hypothesis (ACH) for Alzheimer’s disease (AD) is modeled over the whole brain tissue with a set of partial differential equations. Our results show that the amyloid plaque formation is critically dependent on the secret…

PIConGPU 0.5.0: Perfectly Matched Layer (PML) and Bug Fixes Open

Axel Huebl, René Widera, Benjamin Worpitz, Richard Pausch, Heiko Burau , et al. · 2020

This release adds a new field absorber for the Yee solver, convolutional perfectly matched layer (PML). Compared to the still supported exponential damping absorber, PML provides better absorption rate and much less spurious reflections. W…

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