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Physics-constrained polynomial chaos expansion for scientific machine learning and uncertainty quantification
Feb. 26, 2024, 5:43 a.m. | Himanshu Sharma, Luk\'a\v{s} Nov\'ak, Michael D. Shields
cs.LG updates on arXiv.org arxiv.org
Abstract: We present a novel physics-constrained polynomial chaos expansion as a surrogate modeling method capable of performing both scientific machine learning (SciML) and uncertainty quantification (UQ) tasks. The proposed method possesses a unique capability: it seamlessly integrates SciML into UQ and vice versa, which allows it to quantify the uncertainties in SciML tasks effectively and leverage SciML for improved uncertainty assessment during UQ-related tasks. The proposed surrogate model can effectively incorporate a variety of physical constraints, …
abstract arxiv capability chaos cs.lg expansion machine machine learning modeling novel physics physics.data-an polynomial quantification stat.ml tasks type uncertainty
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