no code implementations • 1 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.
1 code implementation • 8 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.
1 code implementation • 5 May 2022 • Rambod Mojgani, Maciej Balajewicz, Pedram Hassanzadeh
A parallel architecture with two branches is proposed.
1 code implementation • 1 Oct 2021 • Rambod Mojgani, Ashesh Chattopadhyay, Pedram Hassanzadeh
Models of many engineering and natural systems are imperfect.
2 code implementations • 28 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.
3 code implementations • 16 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