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Uncertainty-aware Surrogate Models for Airfoil Flow Simulations with Denoising Diffusion Probabilistic Models
March 19, 2024, 4:45 a.m. | Qiang Liu, Nils Thuerey
cs.LG updates on arXiv.org arxiv.org
Abstract: Leveraging neural networks as surrogate models for turbulence simulation is a topic of growing interest. At the same time, embodying the inherent uncertainty of simulations in the predictions of surrogate models remains very challenging. The present study makes a first attempt to use denoising diffusion probabilistic models (DDPMs) to train an uncertainty-aware surrogate model for turbulence simulations. Due to its prevalence, the simulation of flows around airfoils with various shapes, Reynolds numbers, and angles of …
abstract arxiv cs.lg denoising diffusion flow networks neural networks physics.flu-dyn predictions simulation simulations study turbulence type uncertainty
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