no code implementations • 27 Aug 2023 • Mohit Chauhan, Mariel Ojeda-Tuz, Ryan Catarelli, Kurtis Gurley, Dimitrios Tsapetis, Michael D. Shields
We propose a novel strategy for active learning that focuses on resolving the main effects of the Gaussian process (associated with the numerator of the Sobol index) and compare this with existing strategies based on convergence in the total variance (the denominator of the Sobol index).
no code implementations • 29 Jun 2023 • Himanshu Sharma, Jim A. Gaffney, Dimitrios Tsapetis, Michael D. Shields
Since there are inherent uncertainties in the calibration data (parametric uncertainty) and the assumed functional EOS form (model uncertainty), it is essential to perform uncertainty quantification (UQ) to improve confidence in the EOS predictions.