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Latent Neural PDE Solver: a reduced-order modelling framework for partial differential equations
Feb. 29, 2024, 5:41 a.m. | Zijie Li, Saurabh Patil, Francis Ogoke, Dule Shu, Wilson Zhen, Michael Schneier, John R. Buchanan, Jr., Amir Barati Farimani
cs.LG updates on arXiv.org arxiv.org
Abstract: Neural networks have shown promising potential in accelerating the numerical simulation of systems governed by partial differential equations (PDEs). Different from many existing neural network surrogates operating on high-dimensional discretized fields, we propose to learn the dynamics of the system in the latent space with much coarser discretizations. In our proposed framework - Latent Neural PDE Solver (LNS), a non-linear autoencoder is first trained to project the full-order representation of the system onto the mesh-reduced …
abstract arxiv cs.ai cs.lg differential dynamics fields framework learn math.ap modelling network networks neural network neural networks numerical simulation solver systems type
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