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Non-intrusive surrogate modelling using sparse random features with applications in crashworthiness analysis
Maternus Herold, Anna Veselovska, Jonas Jehle, Felix Krahmer · 2022-12-30 · via stat.ML updates on arXiv.org

Efficient surrogate modelling is a key requirement for uncertainty quantification in data-driven scenarios. In this work, a novel approach of using Sparse Random Features for surrogate modelling in combination with self-supervised dimensionality reduction is described. The method is compared to other methods on synthetic and real data obtained from crashworthiness analyses. The results show a superiority of the here described approach over state of the art surrogate modelling techniques, Polynomial Chaos Expansions and Neural Networks.

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