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Error-Correcting Neural Networks for Two-Dimensional Curvature Computation in the Level-Set Method. (arXiv:2201.12342v3 [math.NA] UPDATED)
Sept. 29, 2022, 1:12 a.m. | Luis Ángel Larios-Cárdenas, Frédéric Gibou
cs.LG updates on arXiv.org arxiv.org
We present an error-neural-modeling-based strategy for approximating
two-dimensional curvature in the level-set method. Our main contribution is a
redesigned hybrid solver [Larios-C\'ardenas and Gibou, J. Comput. Phys. (May
2022), 10.1016/j.jcp.2022.111291] that relies on numerical schemes to enable
machine-learning operations on demand. In particular, our routine features
double predicting to harness curvature symmetry invariance in favor of
precision and stability. The core of this solver is a multilayer perceptron
trained on circular- and sinusoidal-interface samples. Its role is to …
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