7 citations · 7 across the 3 of their papers we have counts for
4 papers · 1 filter
Time-variant reliability using time-dependent surrogate models
Stefano Marelli, Styfen Schär, Bruno Sudret
Time-variant reliability analysis is a critical task for ensuring the safety of engineering dynamical systems subjected to stochastic excitations. However, assessing failure probab…
AL-SPCE -- Reliability analysis for nondeterministic models using stochastic polynomial chaos expansions and active learning
A. Pires, M. Moustapha, S. Marelli +1
Reliability analysis typically relies on deterministic simulators, which yield repeatable outputs for identical inputs. However, many real-world systems display intrinsic randomnes…
Surrogate modeling with functional nonlinear autoregressive models (F-NARX)
Styfen Schär, Stefano Marelli, Bruno Sudret
We propose a novel functional approach to surrogate modeling of dynamical systems with exogenous inputs. This approach, named Functional Nonlinear AutoRegressive with eXogenous inp…
Uncertainty-aware multi-fidelity surrogate modeling with noisy data
Katerina Giannoukou, Stefano Marelli, Bruno Sudret
Emulating high-accuracy computationally expensive models is crucial for tasks requiring numerous model evaluations, such as uncertainty quantification and optimization. When lower-…