Idns: Adaptive Learning Stiff Odes – Taylor-Green at Re=10⁸ Vs. Nasa Benchmark [pdf]
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jcamlinAuthor
19 days ago
Sigmoid controller allocates timesteps by solution stiffness—same idea as Adam for gradients. Fixed hyperparameters across 5 orders of magnitude in Reynolds number. Matches NASA benchmark (Rε = 1.000) at 1/8th resolution on laptop. Code + data public - see zenodo and github repo link in paper (link)
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