3 papers
cs.DC2025
Harvesting energy consumption on European HPC systems: Sharing Experience from the CEEC project
Kajol Kulkarni, Samuel Kemmler, Anna Schwarz +5
Energy efficiency has emerged as a central challenge for modern high-performance computing (HPC) systems, where escalating computational demands and architectural complexity have l…
cs.DC2025
Large-Scale Simulations of Fully Resolved Complex Moving Geometries with Partially Saturated Cells
P. Suffa, S. Kemmler, H. Koestler +1
We employ the Partially Saturated Cells Method (PSM) to model the interaction between the fluid flow and solid moving objects as an extension to the conventional lattice Boltzmann…
cs.CE2024
Efficiency and scalability of fully-resolved fluid-particle simulations on heterogeneous CPU-GPU architectures
Samuel Kemmler, Christoph Rettinger, Ulrich Rüde +2
Current supercomputers often have a heterogeneous architecture using both CPUs and GPUs. At the same time, numerical simulation tasks frequently involve multiphysics scenarios whos…