no code implementations • 14 Jul 2022 • Andrey A. Popov, Arash Sarshar, Austin Chennault, Adrian Sandu
A rapidly growing area of research is the use of machine learning approaches such as autoencoders for dimensionality reduction of data and models in scientific applications.
no code implementations • 16 Nov 2021 • Austin Chennault, Andrey A. Popov, Amit N. Subrahmanya, Rachel Cooper, Ali Haisam Muhammad Rafid, Anuj Karpatne, Adrian Sandu
Surrogates constructed using adjoint information demonstrate superior performance on the 4D-Var data assimilation problem compared to a standard neural network surrogate that uses only forward dynamics information.