Global Sensitivity Analysis
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Related Articles from SNS
From data to decisions: Bayesian modelling and global sensitivity analysis for flotation control
arXiv:2606.06173v1 Announce Type: new Abstract: This work presents a data-driven framework for interpretable modelling and decision support in flotation systems, integrating Gaussian Process (GP) regression with Global Sensitivity Analysis (GSA) via Sobol indices and local interpretability using SHapley Additive exPlanations (SHAP). Based on laboratory-scale experimental data, a static GP surrogate model is developed to capture how superficial air velocity, overflowing froth velocity, froth...
Disentangling spanwise asymmetries in unsteady wing wakes: global mode sensitivity and spatio-temporal harmonic resolvent analyses
arXiv:2606.00859v1 Announce Type: new Abstract: We investigate the emergence of long-time spanwise asymmetries in an unsteady wake downstream of a finite-span wing by disentangling flow asymmetries into symmetric and anti-symmetric components using global mode (structural) sensitivity and spatio-temporal harmonic resolvent analysis. The global mode sensitivity analysis shows that asymmetric modes emerge when symmetric and anti-symmetric eigenmodes appear as pairs and exhibit high levels of...
Sensitivity Analysis White Paper
Announce Type: new Abstract: Sensitivity analysis is an important component of simulation-based decision support because it helps analysts determine which inputs most strongly influence model outcomes under uncertainty. This paper organizes the broad sensitivity analysis literature into a coherent framework for use in complex simulation settings, with particular attention to military applications. We review major classes of methods, including local and global approaches, variance-based...
A hidden pollutant is changing how the world's forests breathe
A hidden pollutant is changing how the world's forests breathe - Date: - June 2, 2026 - Source: - Aarhus University - Summary: - A massive global analysis found that nitrogen pollution can either speed up or dramatically slow the natural "breathing" of forest soils, depending on the ecosystem's condition. The results reveal hidden tipping points that could affect how forests store carbon and cope with climate change. - Share: For centuries, forests have followed a remarkably consistent rhythm.
Global nonequilibrium cortical dynamics tie mid-level pupil-linked arousal to optimal task performance in humans
Ongoing fluctuations in brain state, largely driven by neuromodulators of arousal, shape how sensory inputs are processed and decisions are made. Here, we combined pharmacological manipulations and pupillary proxies of arousal to examine how global cortical state dynamics relate to perceptual sensitivity. We applied the thermodynamics-inspired INSIDEOUT framework to electroencephalography (EEG) recordings from two visual discrimination tasks performed under placebo, atomoxetine...
Decoupling T Cell Cytotoxicity: A CCL21+ICAM1-Based Synthetic Immune Niche Enhances Tumor Elimination by Accelerating Lytic Hit Delivery
Preserving T cell cytotoxic function during ex vivo expansion remains a major challenge for adoptive cancer immunotherapy. A synthetic immune niche (SIN) composed of immobilized CCL21 and ICAM1 was shown to improve T cell expansion while preserving cytotoxicity; however, it remains unclear which specific step of the T cell killing process is enhanced by the SIN stimulation. Here, we combined advanced imaging based on time-lapse microscopy with a mean-field model to analyze the distinct...
Towards Estimating Normal and Shear Interface Pressures in Prosthetic Sockets via Least Squares and Mechanics Modeling
arXiv:2606.04222v1 Announce Type: new Abstract: Prosthetic socket fitting remains largely manual and iterative, and objective fit metrics are still limited. Part of the challenge is the lack of long-term real-life pressure data at the residual limb--socket interface. Traditional pressure sensors are prone to drift over time, and capture only normal pressures at sparse locations within the socket, missing a critical component for biomechanical analysis: shear.
Efficient ageing: Simulated lesion of the structural connectome reveals optimised decline in the healthy ageing brain
Healthy ageing is associated with widespread white-matter change and altered connectome organisation, yet the link between local microstructural decline and whole-brain network communication remains unclear. Here we combined tract-based spatial statistics (TBSS) with probabilistic tractography and graph analysis to quantify the connectome-level consequences of age-sensitive white-matter hotspots. In two independent diffusion MRI datasets of healthy young and older adults (n = 144 total;...
Volcanic eruptions linked to rising famine risk across China's history
June 6, 2026 feature Volcanic eruptions linked to rising famine risk across China's history Hannah Bird Author Gaby Clark Scientific Editor Robert Egan Associate Editor Large volcanic eruptions may have played a bigger role in triggering historical famines across China than previously understood, according to a new study that traced links between eruptions, climate disruption, and food shortages over more than four centuries. By analyzing historical records from 1440 to 1900, Richard Warren...
WINDQuant: Weight-Informed Neural Decision-Making for Global Mixed-Precision LLM Quantization
arXiv:2605.26660v2 Announce Type: replace Abstract: Quantization is an effective approach to reduce the memory footprint and inference cost of large language models (LLMs), yet maintaining performance in the ultra-low-bit regime remains challenging. Existing post-training methods often suffer from severe accuracy degradation, while quantization-aware training requires costly retraining and additional resources.