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Auto-Encoded Reservoir Computing for Turbulence Learning

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arxiv 2012.10968 v2 pith:S5XLY3MA submitted 2020-12-20 physics.flu-dyn cs.LG

classification physics.flu-dyncs.LG
keywords ae-rcflowapproachauto-encodeddynamicslearnlearningmanifold
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We present an Auto-Encoded Reservoir-Computing (AE-RC) approach to learn the dynamics of a 2D turbulent flow. The AE-RC consists of an Autoencoder, which discovers an efficient manifold representation of the flow state, and an Echo State Network, which learns the time evolution of the flow in the manifold. The AE-RC is able to both learn the time-accurate dynamics of the flow and predict its first-order statistical moments. The AE-RC approach opens up new possibilities for the spatio-temporal prediction of turbulence with machine learning.

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