Search Results for author: Cosmin Safta

Found 7 papers, 1 papers with code

Uncertainty Quantification of Graph Convolution Neural Network Models of Evolving Processes

no code implementations17 Feb 2024 Jeremiah Hauth, Cosmin Safta, Xun Huan, Ravi G. Patel, Reese E. Jones

In this work we present comparisons of the parametric uncertainty quantification of neural networks modeling complex spatial-temporal processes with Hamiltonian Monte Carlo and Stein variational gradient descent and its projected variant.

Uncertainty Quantification Variational Inference

Deep learning and multi-level featurization of graph representations of microstructural data

no code implementations29 Sep 2022 Reese Jones, Cosmin Safta, Ari Frankel

We develop a means of deep learning of hidden features on the reduced graph given the native discretization and a segmentation of the initial input field.

Mesh-based graph convolutional neural networks for modeling materials with microstructure

no code implementations4 Jun 2021 Ari Frankel, Cosmin Safta, Coleman Alleman, Reese Jones

Predicting the evolution of a representative sample of a material with microstructure is a fundamental problem in homogenization.

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