2021
DOI: 10.1017/dce.2021.14
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Emulating computer experiments of transport infrastructure slope stability using Gaussian processes and Bayesian inference

Abstract: We propose using fully Bayesian Gaussian process emulation (GPE) as a surrogate for expensive computer experiments of transport infrastructure cut slopes in high-plasticity clay soils that are associated with an increased risk of failure. Our deterioration experiments simulate the dissipation of excess pore water pressure and seasonal pore water pressure cycles to determine slope failure time. It is impractical to perform the number of computer simulations that would be sufficient to make slope stability predi… Show more

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Cited by 10 publications
(3 citation statements)
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“…The surrogate model can be sampled, instead of the sampling from the forward model, and hence the PDF of the quantity of interest can be calculated efficiently. An example of physics-based machine learning techniques proven to be effective in many applications related to geohazards is Gaussian Process Emulation, with successful demonstrations in landslide run-out models (Zhao et al, 2021;Zhao and Kowalski, 2022) and stability of infrastructure slopes (Svalova et al, 2021).…”
Section: Introductionmentioning
confidence: 99%
“…The surrogate model can be sampled, instead of the sampling from the forward model, and hence the PDF of the quantity of interest can be calculated efficiently. An example of physics-based machine learning techniques proven to be effective in many applications related to geohazards is Gaussian Process Emulation, with successful demonstrations in landslide run-out models (Zhao et al, 2021;Zhao and Kowalski, 2022) and stability of infrastructure slopes (Svalova et al, 2021).…”
Section: Introductionmentioning
confidence: 99%
“…The editors and publisher of Data-Centric Engineering have awarded the Open Data and Open Materials badges to this article Svalova A, et al (2021).…”
mentioning
confidence: 99%
“…Conditioned on a set of computer model evaluations, a GP emulator is used to generate predictions together with a measure of uncertainty about the predicted model output at inputs that have not been tested. GP emulators have been widely used in climate and environmental studies (Conti et al, 2009;Williamson and Blaker, 2014;Volodina and Williamson, 2020), energy electricity prices (Wilson, Goldstein and Dent, 2022) and transport infrastructure (Svalova et al, 2021).…”
mentioning
confidence: 99%