#7538. Multimodal ellipsoid model for non-probabilistic structural uncertainty quantification and propagation

October 2026publication date
Proposal available till 19-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Mechanical Engineering;
Mechanics of Materials;
Materials Science (all);
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Abstract:
The traditional ellipsoid convex set is a kind of basic non-probabilistic model to measure uncertainties. However, it is difficult or inaccurate to quantify the uncertainties of variables with multimodal distributed samples. In this paper, a more generalized non-probabilistic ellipsoid model named multimodal ellipsoid model is proposed to effectively deal with the multimodal distributed samples.
Keywords:
Gaussian mixture model; Multimodal ellipsoid model; Performance measure approach; Uncertainty propagation; Uncertainty quantification

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