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ML_2D_Turbulence

LES-ML closures for Kraichnan turbulence

Build status (TravisCI)

Build Status

References

  1. Subgrid modelling for two-dimensional turbulence using neural networks, J. Fluid Mech., 858, 122-144, 2019.
  2. Sub-grid scale model classification and blending through deep learning, J. Fluid Mech., 870, 784-812, 2019.
  3. Data-driven deconvolution for large eddy simulations of Kraichnan turbulence, Phys. Fluids, 30(12), 125109, 2018.
  4. A stable and scale-aware dynamic modeling framework for subgrid-scale parameterizations of two-dimensional turbulence, Comput. Fluids, 158, 11-38, 2017.

Quick start

Set closure_choice variable within ML_2D_Turbulence.py file to test performance in a-posteriori for Kraichnan turbulence.

Turbulence model classifier training

As an example - the Keras code for training the turbulence model classification framework and data (reference 2) is provided in Model_Classifier_Network