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Chapter
May 7, 2012

Neural Network Material Model Enhancement: Optimization Through Visualization and Selective Data Removal

Publication: Site Characterization and Modeling

Abstract

Neural network based constitutive models have recently been used to capture soil constitutive response. The neural networks are trained with large data sets. A novel method of enriching these training data sets is presented and tested, showing a limited data set can be expanded to a wider range of problems. A method of selectively reducing data set size is also presented, so that maximum behavior can be gleaned from a minimum amount of data. By using novel visualization techniques to evaluate the learned neural network model responses, it is shown that a large reduction in data set size does not significantly affect the performance of the neural network model.

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Go to Site Characterization and Modeling
Site Characterization and Modeling
Pages: 1 - 10

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Published online: May 7, 2012

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Jeremy N. Butkovich
Graduate Research Assistant, Department of Civil and Environmental Engineering University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
Youssef M. A. Hashash
Associate Professor, Department of Civil and Environmental Engineering University of Illinois at Urbana-Champaign, Urbana, Illinois 61801

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