What is it about?
This article shows a way for quantifying and propagating general uncertainty through a black-box computational model, that is not based on assumptions and idealisations, but on expert knowledge and empirical evidence. The approach respects the fundamental differences between randomness and imperfect knowledge during the entire quantification effort. A heuristic approach towards quantifying numerical uncertainty is also presented.
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Why is it important?
Uncertainty is present all around us and its careful quantification is among the top priorities for developing reliable computer models to advance digital engineering. The work presented here lays out a systematic effort in reasoning and working with general uncertainties.
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This page is a summary of: How to Exploit What We Know About Input and Model: A Trans-probabilistic Approach to the 2022 AIAA UQ Challenge, January 2024, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2024-0944.
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