Interpreting neural operators: how nonlinear waves propagate in non-reciprocal solids

J. Colen*, A. Poncet*, D. Bartolo, and V. Vitelli

Published in Physical Review Letters, 2024

We introduced a modeling pipeline that combines interpretable machine learning and continuum theory to guide discovery of new physics. Using a microfluidics experiment as a case study, we learned nonlinear dynamics directly from data using neural operators and sparse regression. We extracted the governing equations and showed how they originated from non-reciprocal hydrodynamic interactions between droplets.

Collaboration with Alexis Poncet (ENS Lyon), Denis Bartolo (ENS Lyon), and Vincenzo Vitelli (UChicago).

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