Democratizing uncertainty quantification
Journal Article
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· Journal of Computational Physics
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- Karlsruhe Inst. of Technology (KIT) (Germany)
- Durham Univ. (United Kingdom)
- digiLab, Exeter (United Kingdom)
- UK Atomic Energy Authority (UKAEA), Culham (United Kingdom)
- Technical Univ. of Denmark, Lyngby (Denmark)
- Colorado State Univ., Fort Collins, CO (United States)
- Univ. of Bath (United Kingdom)
- National Research Council (CNR), Rome (Italy)
- Bill & Melinda Gates Foundation (United States)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Univ. of California, Merced, CA (United States)
- National Research Council (CNR), Pavia (Italy)
- Solea Energy, Thetford, VT (United States)
- Copenhagen Imaging ApS (Denmark); Technical Univ. of Denmark, Lyngby (Denmark)
- Italian National Research Council (INRC), Rome (Italy)
- Univ. of Texas, Austin, TX (United States)
- Heidelberg Univ. (Germany)
Uncertainty Quantification (UQ) is vital to safety-critical model-based analyses, but the widespread adoption of sophisticated UQ methods is limited by technical complexity. In this paper, we introduce UM-Bridge (the UQ and Modeling Bridge), a high-level abstraction and software protocol that facilitates universal interoperability of UQ software with simulation codes. It breaks down the technical complexity of advanced UQ applications and enables separation of concerns between experts. UM-Bridge democratizes UQ by allowing effective interdisciplinary collaboration, accelerating the development of advanced UQ methods, and making it easy to perform UQ analyses from prototype to High Performance Computing (HPC) scale. In addition, we present a library of ready-to-run UQ benchmark problems, all easily accessible through UM-Bridge. These benchmarks support UQ methodology research, enabling reproducible performance comparisons. We demonstrate UM-Bridge with several scientific applications, harnessing HPC resources even using UQ codes not designed with HPC support.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- Advanced Scientific Computing Research; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
- Grant/Contract Number:
- NA0003525
- OSTI ID:
- 2584646
- Alternate ID(s):
- OSTI ID: 2585546
- Report Number(s):
- SAND2025-08295J
- Journal Information:
- Journal of Computational Physics, Journal Name: Journal of Computational Physics Vol. 521; ISSN 0021-9991
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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