b'TALENT PIPELINE:Akram Batikh, student atNorth Carolina State UniversityDenny Thaler, student at RWTHAachen UniversityEusef Abdelmalek, student at Universityof California, Los AngelesPromit Chakroborty, studentat Johns Hopkins UniversitySom Dhulipala, postdoc at INL,converted to staff Yifeng Che, Russell L. Heath Distinguished Postdoctoral Fellow at INLLow-fidelityLow-fidelityLow-fidelity modelstochasticdeterministic averaging selection selectionEstimated failure prob.2.11E-4 2.02E-4 1.97E-4Coefficient of variation0.117 0.094 0.103# high-fidelity calls49.20 50.96 51.08Reference result using Monte Carlo: 2.05E-4(30 Million high-fidelity calls)The proposed active learning with multifidelity modeling approach to accelerate the failure evaluation of high-fidelity nuclear reactor models reduced the computational burden by 3-4 orders of magnitude compared to the state-of-the-art methods.43'