A Beck, M Kurz - GAMM‐Mitteilungen, 2021 - Wiley Online Library
This work presents a review of the current state of research in data‐driven turbulence closure modeling. It offers a perspective on the challenges and open issues but also on the …
M Kurz, P Offenhäuser, A Beck - International journal of heat and fluid flow, 2023 - Elsevier
Over the last years, supervised learning (SL) has established itself as the state-of-the-art for data-driven turbulence modeling. In the SL paradigm, models are trained based on a …
M Kurz, P Offenhäuser, D Viola, O Shcherbakov… - Journal of …, 2022 - Elsevier
Reinforcement learning (RL) is highly suitable for devising control strategies in the context of dynamical systems. A prominent instance of such a dynamical system is the system of …
In this paper, a novel random forest (RF)-based multifidelity machine learning (ML) algorithm to predict the high-fidelity Reynolds-averaged Navier-Stokes (RANS) flow field is proposed …
X Sun, W Cao, X Shan, Y Liu, W Zhang - Journal of Computational Science, 2024 - Elsevier
The amalgamation of machine learning algorithms (ML) with computational fluid dynamics (CFD) represents a promising frontier for the advancement of fluid dynamics research …
Liquid metals play a central role in new generation liquid metal cooled nuclear reactors, for which numerical investigations require the use of appropriate thermal turbulence models for …
The authors present generalized finite-volume-based discretized loss functions integrated into pressure-linked algorithms for physics-based unsupervised training of neural networks …
Fluid dynamics of liquid metals plays a central role in new generation liquid metal cooled nuclear reactors, for which numerical investigations require the use of an appropriate …
M Blind, M Gao, D Kempf, P Kopper, M Kurz… - arXiv preprint arXiv …, 2023 - arxiv.org
Modern high-order discretizations bear considerable potential for the exascale era due to their high fidelity and the high, local computational load that allows for computational …