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FastVPINNs: Tensor-Driven Acceleration of VPINNs for Complex Geometries
April 19, 2024, 4:41 a.m. | Thivin Anandh, Divij Ghose, Himanshu Jain, Sashikumaar Ganesan
cs.LG updates on arXiv.org arxiv.org
Abstract: Variational Physics-Informed Neural Networks (VPINNs) utilize a variational loss function to solve partial differential equations, mirroring Finite Element Analysis techniques. Traditional hp-VPINNs, while effective for high-frequency problems, are computationally intensive and scale poorly with increasing element counts, limiting their use in complex geometries. This work introduces FastVPINNs, a tensor-based advancement that significantly reduces computational overhead and improves scalability. Using optimized tensor operations, FastVPINNs achieve a 100-fold reduction in the median training time per epoch compared …
abstract analysis arxiv cs.ce cs.lg cs.na cs.ne differential element function loss math.na networks neural networks physics physics-informed scale solve tensor type work
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