activity
20202024
most citedAnalytical Benchmark Problems for Multifidelity Optimization Methods

16 citations · 37 across the 7 of their papers we have counts for

collaborators

7 papers

cs.MS2024

Democratizing Uncertainty Quantification

Linus Seelinger, Anne Reinarz, Mikkel B. Lykkegaard +22

Uncertainty Quantification (UQ) is vital to safety-critical model-based analyses, but the widespread adoption of sophisticated UQ methods is limited by technical complexity. In thi…

physics.flu-dyn2022

Multi-fidelity hydrodynamic analysis of an autonomous surface vehicle at surveying speed in deep water subject to variable payload

Riccardo Pellegrini, Simone Ficini, Angelo Odetti +3

Autonomous surface vehicles (ASV) allow the investigation of coastal areas, ports and harbors as well as harsh and dangerous environments such as the arctic regions. Despite receiv…

math.OC2022★ 16 cited

Analytical Benchmark Problems for Multifidelity Optimization Methods

L. Mainini, A. Serani, M. P. Rumpfkeil +11

The paper presents a collection of analytical benchmark problems specifically selected to provide a set of stress tests for the assessment of multifidelity optimization methods. In…

math.OC2022★ 4 cited

A Multi-Fidelity Active Learning Method for Global Design Optimization Problems with Noisy Evaluations

Riccardo Pellegrini, Jeroen Wackers, Riccardo Broglia +3

A multi-fidelity (MF) active learning method is presented for design optimization problems characterized by noisy evaluations of the performance metrics. Namely, a generalized MF s…

math.OC2021★ 8 cited

Assessing the Performance of an Adaptive Multi-Fidelity Gaussian Process with Noisy Training Data: A Statistical Analysis

Simone Ficini, Umberto Iemma, Riccardo Pellegrini +2

Despite the increased computational resources, the simulation-based design optimization (SBDO) procedure can be very expensive from a computational viewpoint, especially if high-fi…

math.NA2021

Comparing Multi-Index Stochastic Collocation and Multi-Fidelity Stochastic Radial Basis Functions for Forward Uncertainty Quantification of Ship Resistance

Chiara Piazzola, Lorenzo Tamellini, Riccardo Pellegrini +3

This paper presents a comparison of two multi-fidelity methods for the forward uncertainty quantification of a naval engineering problem. Specifically, we consider the problem of q…

math.NA2020★ 9 cited

Uncertainty Quantification of Ship Resistance via Multi-Index Stochastic Collocation and Radial Basis Function Surrogates: A Comparison

Chiara Piazzola, Lorenzo Tamellini, Riccardo Pellegrini +3

This paper presents a comparison of two methods for the forward uncertainty quantification (UQ) of complex industrial problems. Specifically, the performance of Multi-Index Stochas…