PUMA publications for /group/simtech/simulationSun Sep 14 12:19:27 CEST 2025Conference Proceedings for the 2024 System Dynamics ConferenceSimulation and ChatGPT: Large language models as tools for model analysis2024myown ChatGPT dynamics simulation workload workplace trust Sun Aug 25 17:14:26 CEST 2024International Conference on Data-Integrated Simulation Science (SimTech2023)Enhancing EEG Classification Performance through Generative Adversarial Networks: Investigating the Impact of Sample Sizes and Classifier Selection2023myown cognition EEG simulation llis GANs Sun Aug 25 17:11:21 CEST 2024Frontiers in Neuroergonomics1273810Workload-dependent hemispheric asymmetries during the emotion-cognition interaction: a close-to-naturalistic fNIRS study42023fNIRS myown emotion cognition simulation workload llis performance Introduction We investigated brain activation patterns of interacting emotional distractions and cognitive processes in a close-to-naturalistic functional near-infrared spectroscopy (fNIRS) study. Methods Eighteen participants engaged in a monitoring-control task, mimicking common air traffic controller requirements. The scenario entailed experiencing both low and high workload, while concurrently being exposed to emotional speech distractions of positive, negative, and neutral valence. Results Our investigation identified hemispheric asymmetries in prefrontal cortex (PFC) activity during the presentation of negative and positive emotional speech distractions at different workload levels. Thereby, in particular, activation in the left inferior frontal gyrus (IFG) and orbitofrontal cortex (OFC) seems to play a crucial role. Brain activation patterns revealed a cross-over interaction indicating workload-dependent left hemispheric inhibition processes during negative distractions and high workload. For positive emotional distractions under low workload, we observed left-hemispheric PFC recruitment potentially associated with speech-related processes. Furthermore, we found a workload-independent negativity bias for neutral distractions, showing brain activation patterns similar to those of negative distractions. Discussion In conclusion, lateralized hemispheric processing, regulating emotional speech distractions and integrating emotional and cognitive processes, is influenced by workload levels and stimulus characteristics. These findings advance our understanding of the factors modulating hemispheric asymmetries during the processing and inhibition of emotional distractions, as well as the interplay between emotion and cognition. Moreover, they emphasize the significance of exploring emotion-cognition interactions in more naturalistic settings to gain a deeper understanding of their implications in real-world application scenarios (e.g., working and learning environments).Mon Aug 12 12:35:12 CEST 2024Computers in Human Behavior Reports03100364Emotion-performance relationship in safety-critical human-machine systems132024myown emotion HMI cognition simulation llis performance Thu Mar 24 15:53:08 CET 20222021 IEEE/ACM International Workshop on Hierarchical Parallelism for Exascale Computing (HiPar)1--9Distributing Higher-Dimensional Simulations Across Compute Systems: A Widely Distributed Combination Technique2021parallelism myown simulation processing combination_technique hpc sparse_grids The numerical solution of high-dimensional {PDE} problems is essential for many research questions, such as understanding relativistic astrophysics, quantum physics, or hot fusion plasmas. At the same time, it is haunted by the curse of dimensionality, rendering finely resolved simulations infeasible even on modern architectures. The Sparse Grid Combination Technique helps to break the curse of dimensionality for high-dimensional {PDE} problems to some extent. But even then, simulations are restricted by the size of {HPC} systems. A new implementation based on the open-source code {DisCoTec} allows to distribute existing solvers even across compute systems: The widely distributed combination technique enables simulations at scales that would otherwise be intractable.This paper introduces the extended algorithm and showcases a proof of concept for the remote communication set-up. The scaling properties for the single-system and two-system cases are presented, and the numerical correctness of the implementation is validated.The widely distributed combination technique is useful in cases where the memory and/or compute resources are not sufficient for a particular problem to fit on one single available system, but multiple systems are able to accommodate it.Sat Jan 26 14:43:22 CET 2019Proceedings of the Fourth International Conference on Cable-Driven Parallel RobotssubmittedsubmitteedAdvances in Mechanism and Machine ScienceModeling of Elastic-Flexible Cables with Time-Varying Length for Cable-Driven Parallel Robotsjsubmitted2019cable-driven modeling dynamics simulation cable-robot kinematics preprint multibody