Reliability analysis of performance functions via adaptive sequential sampling with detection of failure surfaces

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F26%3A0200361" target="_blank" >RIV/00216305:26110/26:0200361 - isvavai.cz</a>
Result on the web
<a href="https://www.scipedia.com/public/Vorechovsky_2025a" target="_blank" >https://www.scipedia.com/public/Vorechovsky_2025a</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.23967/icossar.2025.094" target="_blank" >10.23967/icossar.2025.094</a>

Result language
angličtina
Original language name
Reliability analysis of performance functions via adaptive sequential sampling with detection of failure surfaces
Original language description
We propose an improved method for estimating rare event probabilities in computational models with smooth performance functions. Building on a previously developed robust strategy for generally non-smooth or discrete-state performance functions, we enhance scalability and efficiency by replacing the original nearest-neighbor surrogate with a Gaussian process regression model. This surrogate leverages numerical limit state values to preselect potential candidates in an active learning scheme that balances exploration and exploitation. The resulting method significantly reduces the number of required evaluations, particularly in low-dimensional problems, while extending applicability to higher-dimensional settings.
Czech name
—
Czech description
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Project
<a href="/en/project/LUAUS24260" target="_blank" >LUAUS24260: Physically Constrained Polynomial Chaos Expansion for Stochastic Mechanics</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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