GPU Day 2022

Session

Session VIII

21 Jun 2022, 16:00

Hotel Mercure Budapest Castle Hill

34. The resonant structure of the trans-Neptunian space

Emese Kővári (Department of Astronomy, Institute of Geography and Earth Sciences, Eötvös Loránd University, H-1117 Budapest, Pázmány Péter sétány 1/A, Hungary; Centre for Astrophysics and Space Science, Eötvös Loránd University, H-1117 Budapest, Pázmány Péter sétány 1/A, Hungary; Wigner Research Centre for Physics, P.O. Box 49, Budapest H-1525, Hungary)

21/06/2022, 16:00

The outer realm of the Solar System, known either as the trans-Neptunian space or the Kuiper belt, is of great interest among celestial mechanical studies. Its dynamical structure is shaped to a large extent by the mean-motion resonances (MMRs) occurring between the trans-Neptunian objects (TNOs) and (mainly) the Neptune.
In a recent research, we carried out a large-scale survey of the TNOs,...

67. Massively Parallel Tensor Network Algorithms

Andor Menczer (Eötvös Loránd University (ELTE-IK))

21/06/2022, 16:20

Lecture

As the design and mass manufacturing of efficient quantum computers are still subject of intense research, the numerical simulations of quantum systems still rely on classical computation. In this case however the complexity and resource requirements of such algorithms scale exponentially relative to the system size, thus making bigger simulations problematic or even impossible to run.

Our...

43. Critical synchronization dynamics on power grids

Mr Shengfeng Deng (Institute of Technical Physics and Materials Science, Centre for Energy Research)

21/06/2022, 16:40

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 parameter $K$ with metastable states depending on the initial conditions so that hysteresis loops occur. We provide analytic results for the time dependence of...

47. Application of high-performance computing for bubble simulations in sonochemistry

Dániel Nagy (Budapest University of Technology and Economics, Department of Hydrodynamic systems)

21/06/2022, 17:00

Lecture

The objective of sonochemistry is to increase the yield of chemical processes in a fluid with ultrasound excitation. It is based on a special case of cavitation called acoustic cavitation. Because of the ultrasound excitation, several bubbles and bubble-clouds can be formed in a liquid. During the radial oscillation of the bubbles, their compression can be so large that the internal...

64. Closing

Gergely Barnafoldi (Wigner RCP RMI of the Hungarian Academy of Sciences)

21/06/2022, 17:20

Lecture