Search Results for author: Christian Jacobsen

Found 4 papers, 0 papers with code

Variational Bayesian Optimal Experimental Design with Normalizing Flows

no code implementations8 Apr 2024 Jiayuan Dong, Christian Jacobsen, Mehdi Khalloufi, Maryam Akram, Wanjiao Liu, Karthik Duraisamy, Xun Huan

Variational OED (vOED), in contrast, estimates a lower bound of the EIG without likelihood evaluations by approximating the posterior distributions with variational forms, and then tightens the bound by optimizing its variational parameters.

Dimensionality Reduction Experimental Design

Enhancing Dynamical System Modeling through Interpretable Machine Learning Augmentations: A Case Study in Cathodic Electrophoretic Deposition

no code implementations16 Jan 2024 Christian Jacobsen, Jiayuan Dong, Mehdi Khalloufi, Xun Huan, Karthik Duraisamy, Maryam Akram, Wanjiao Liu

We introduce a comprehensive data-driven framework aimed at enhancing the modeling of physical systems, employing inference techniques and machine learning enhancements.

Interpretable Machine Learning

CoCoGen: Physically-Consistent and Conditioned Score-based Generative Models for Forward and Inverse Problems

no code implementations16 Dec 2023 Christian Jacobsen, Yilin Zhuang, Karthik Duraisamy

Secondly, we showcase the potential and versatility of score-based generative models in various physics tasks, specifically highlighting surrogate modeling as well as probabilistic field reconstruction and inversion from sparse measurements.

Drug Discovery

Disentangling Generative Factors of Physical Fields Using Variational Autoencoders

no code implementations15 Sep 2021 Christian Jacobsen, Karthik Duraisamy

We illustrate comparisons between disentangled and entangled representations by juxtaposing learned latent distributions and the true generative factors in a model porous flow problem.

Dimensionality Reduction Disentanglement

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