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Fragility assessment of transmission line supports under non-synoptic wind loads using multi-fidelity stochastic emulators
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DOI：10.1016/j.probengmech.2026.103971.png)
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Abstract
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• MF-GLaM emulator assesses transmission line fragility under non-synoptic winds. • Multivariate non-parametric fragility functions are obtained. • Multi-fidelity approach reduces computational costs while maintaining accuracy. • The emulator captures non-monotonic behaviors and response heteroscedasticity. • MF-GLaM outperforms single-fidelity models with limited high-fidelity data.
Keywords:
Fragility analysis
Transmission lines
Tornado actions
Multi-fidelity generalized lambda model
Stochastic emulators
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