Search Results for author: Daan Crommelin

Found 3 papers, 2 papers with code

Comparison of neural closure models for discretised PDEs

1 code implementation26 Oct 2022 Hugo Melchers, Daan Crommelin, Barry Koren, Vlado Menkovski, Benjamin Sanderse

Of the two trajectory fitting procedures, the discretise-then-optimise approach produces more accurate models than the optimise-then-discretise approach.

Stochastic parameterization with VARX processes

no code implementations7 Oct 2020 Nick Verheul, Daan Crommelin

We show through various statistical criteria that the proposed VARX performs very well for the unimodal configuration, while keeping the number of parameters linear in the number of model variables.

Resampling with neural networks for stochastic parameterization in multiscale systems

1 code implementation3 Apr 2020 Daan Crommelin, Wouter Edeling

This method is used to formulate a parameterization that is stochastic, taking the uncertainty of the unresolved scales into account.

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