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An active learning framework for the rapid assessment of galvanic corrosion

Engineering and Technology

An active learning framework for the rapid assessment of galvanic corrosion

A. Venkatraman, R. M. Katona, et al.

Discover an innovative active learning framework developed by Aditya Venkatraman and colleagues at Sandia National Laboratories. This groundbreaking approach optimizes predictions of galvanic corrosion while significantly reducing computational costs. Understand how low-cost surrogate models can help identify optimal environmental and geometric parameters for improved accuracy in cathodic current predictions.

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Playback language: English
Abstract
This paper presents an active learning framework to accelerate predictions of galvanic corrosion. The framework uses a low-cost surrogate model (Gaussian Process and Neural Network) calibrated on Finite Element (FE) simulations to identify optimal input configurations (environmental and geometric parameters) for improving predictions of cathodic current. A staggered workflow refines predictions and identifies information-rich data points, enabling expansion to a larger parameter space. The framework significantly reduces computational costs and improves prediction accuracy.
Publisher
npj Materials Degradation
Published On
May 21, 2024
Authors
Aditya Venkatraman, Ryan Michael Katona, Demitri Maestas, Matthew Roop, Philip Noell, David Montes de Oca Zapiain
Tags
active learning
galvanic corrosion
surrogate model
Gaussian Process
Neural Network
Finite Element simulations
cathodic current

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