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Interpretable Fine-Tuning for Graph Neural Network Surrogate Models
March 5, 2024, 2:44 p.m. | Shivam Barwey, Romit Maulik
cs.LG updates on arXiv.org arxiv.org
Abstract: Data-driven surrogate modeling has surged in capability in recent years with the emergence of graph neural networks (GNNs), which can operate directly on mesh-based representations of data. The goal of this work is to introduce an interpretable fine-tuning strategy for GNNs, with application to unstructured mesh-based fluid dynamics modeling. The end result is an enhanced fine-tuned model that isolates regions in physical space, corresponding to sub-graphs, that are intrinsically linked to the forecasting task while …
abstract application arxiv capability cs.lg data data-driven emergence fine-tuning gnns graph graph neural network graph neural networks mesh modeling network networks neural network neural networks physics.comp-ph physics.flu-dyn strategy type unstructured work
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