Global sensitivity analysis with multifidelity Monte Carlo and polynomial chaos expansion for vascular haemodynamics

F Schäfer, DE Schiavazzi, LR Hellevik… - … Journal for Numerical …, 2024 - Wiley Online Library
Computational models of the cardiovascular system are increasingly used for the diagnosis,
treatment, and prevention of cardiovascular disease. Before being used for translational …

Multifidelity linear regression for scientific machine learning from scarce data

E Qian, D Kang, V Sella, A Chaudhuri - arxiv preprint arxiv:2403.08627, 2024 - arxiv.org
Machine learning (ML) methods, which fit to data the parameters of a given parameterized
model class, have garnered significant interest as potential methods for learning surrogate …

[HTML][HTML] Evaluation of the thermo-elastic response of space telescopes using uncertainty assessment

U Garcia-Luis, AM Gomez-San-Juan… - Acta Astronautica, 2024 - Elsevier
The aerospace sector is evolving due to reduced launch costs and standardization of small
satellite platforms. This research, aligned with European Guidelines for Thermo-Elastic …

Regularized Regression Techniques for Model Reduction in Spacecraft Thermal Analysis

T Nishikawa, S Khan, S Tsutsumi, N Omata… - Journal of Spacecraft …, 2025 - arc.aiaa.org
This study addresses two primary challenges in spacecraft thermal analysis: the need for
onboard computation to support autonomous operations, and the requirement for real-time …

Accounting for material property uncertainty in the preliminary vibration analysis of opto-mechanical systems

ED Ricca, C Zanoni… - Journal of Astronomical …, 2024 - spiedigitallibrary.org
The dynamical behavior of opto-mechanical systems is crucial for ensuring the performance
in noisy environments. In particular, vibration mitigation is one of the design drivers for …

Multifidelity linear regression for scientific machine learning from scarce data

E Qian, D Kang, V Sella… - Foundations of Data …, 2025 - aimsciences.org
Machine learning (ML) methods, which fit data to the parameters of a given parameterized
model class, have garnered significant interest as potential methods for learning surrogate …

Global sensitivity analysis with multifidelity Monte Carlo and polynomial chaos expansion for carotid artery haemodynamics

F Schäfer, DE Schiavazzi, LR Hellevik… - arxiv preprint arxiv …, 2024 - arxiv.org
Computational models of the cardiovascular system are increasingly used for the diagnosis,
treatment, and prevention of cardiovascular disease. Before being used for translational …

Geometric Uncertainty Analysis of Aerodynamic Shapes Using Multifidelity Monte Carlo Estimation

TA Kosloske - 2023 - search.proquest.com
Uncertainty analysis is of great use both for calculating outputs that are more akin to real
flight, and for optimization to more robust shapes. However, implementation of uncertainty …

Sensitivity analysis of coupled variables in integrated STOP models

RK Davidson, DW Miller - Modeling, Systems Engineering, and …, 2024 - spiedigitallibrary.org
The computational complexity of integrated structural-thermal-optical performance models,
particularly for one-of-a-kind telescope missions, often limits the maximum feasible number …

[PDF][PDF] A Bayesian Validation Framework for Computationally Expensive Models

G Cataldo - Big Data for Business Analytics, 2023 - ntrs.nasa.gov
A Bayesian Validation Framework for Computationally Expensive Models Page 1 A Bayesian
Validation Framework for Computationally Expensive Models Dr. Giuseppe Cataldo NASA …