Search Results for author: Alexandre Tartakovsky

Found 8 papers, 0 papers with code

Enhanced physics-constrained deep neural networks for modeling vanadium redox flow battery

no code implementations3 Mar 2022 Qizhi He, Yucheng Fu, Panos Stinis, Alexandre Tartakovsky

To improve the accuracy of voltage prediction at extreme ranges, we introduce a second (enhanced) DNN to mitigate the prediction errors carried from the 0D model itself and call the resulting approach enhanced PCDNN (ePCDNN).

Machine Learning in Heterogeneous Porous Materials

no code implementations4 Feb 2022 Martha D'Eli, Hang Deng, Cedric Fraces, Krishna Garikipati, Lori Graham-Brady, Amanda Howard, Geoerge Karniadakid, Vahid Keshavarzzadeh, Robert M. Kirby, Nathan Kutz, Chunhui Li, Xing Liu, Hannah Lu, Pania Newell, Daniel O'Malley, Masa Prodanovic, Gowri Srinivasan, Alexandre Tartakovsky, Daniel M. Tartakovsky, Hamdi Tchelepi, Bozo Vazic, Hari Viswanathan, Hongkyu Yoon, Piotr Zarzycki

The "Workshop on Machine learning in heterogeneous porous materials" brought together international scientific communities of applied mathematics, porous media, and material sciences with experts in the areas of heterogeneous materials, machine learning (ML) and applied mathematics to identify how ML can advance materials research.

BIG-bench Machine Learning

Physics-constrained deep neural network method for estimating parameters in a redox flow battery

no code implementations21 Jun 2021 Qizhi He, Panos Stinis, Alexandre Tartakovsky

In this paper, we present a physics-constrained deep neural network (PCDNN) method for parameter estimation in the zero-dimensional (0D) model of the vanadium redox flow battery (VRFB).

A comparative study of physics-informed neural network models for learning unknown dynamics and constitutive relations

no code implementations2 Apr 2019 Ramakrishna Tipireddy, Paris Perdikaris, Panos Stinis, Alexandre Tartakovsky

We investigate the use of discrete and continuous versions of physics-informed neural network methods for learning unknown dynamics or constitutive relations of a dynamical system.

Physics-Information-Aided Kriging: Constructing Covariance Functions using Stochastic Simulation Models

no code implementations10 Sep 2018 Xiu Yang, Guzel Tartakovsky, Alexandre Tartakovsky

We also provide an error estimate in preserving the physical constraints when errors are included in the stochastic model realizations.

Active Learning GPR

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