Search Results for author: Rambod Mojgani

Found 6 papers, 5 papers with code

Extreme Event Prediction with Multi-agent Reinforcement Learning-based Parametrization of Atmospheric and Oceanic Turbulence

no code implementations1 Dec 2023 Rambod Mojgani, Daniel Waelchli, Yifei Guan, Petros Koumoutsakos, Pedram Hassanzadeh

Reinforcement learning is emerging as a potent alternative for developing such closures as it requires only low-order statistics and leads to stable closures.

Multi-agent Reinforcement Learning

Learning Closed-form Equations for Subgrid-scale Closures from High-fidelity Data: Promises and Challenges

1 code implementation8 Jun 2023 Karan Jakhar, Yifei Guan, Rambod Mojgani, Ashesh Chattopadhyay, Pedram Hassanzadeh, Laura Zanna

There is growing interest in discovering interpretable, closed-form equations for subgrid-scale (SGS) closures/parameterizations of complex processes in Earth system.

Physics-aware registration based auto-encoder for convection dominated PDEs

2 code implementations28 Jun 2020 Rambod Mojgani, Maciej Balajewicz

We design a physics-aware auto-encoder to specifically reduce the dimensionality of solutions arising from convection-dominated nonlinear physical systems.

Dimensionality Reduction

Lagrangian basis method for dimensionality reduction of convection dominated nonlinear flows

3 code implementations16 Jan 2017 Rambod Mojgani, Maciej Balajewicz

Foundations of a new projection-based model reduction approach for convection dominated nonlinear fluid flows are summarized.

Fluid Dynamics

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