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Experimental Learning of a Hyperelastic Behavior with a Physics-Augmented Neural Network

  • 09-09-2024
  • Research paper
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Abstract

The article introduces a method for modeling hyperelastic behavior using Physics-Augmented Neural Networks (PANNs) within the EUCLID framework. It details the experimental setup, including uni-axial tensile tests on neoprene rubber material, and the use of Digital Image Correlation (DIC) for measuring displacement fields. The methodology involves training various PANN architectures and comparing their performance with a traditional Neo-Hookean model. The results show that PANN models can effectively learn and generalize complex material behaviors, outperforming traditional models in certain aspects. The article also discusses the challenges and limitations of the current approach, suggesting future research directions to improve the robustness and applicability of PANN models in materials science.

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Title
Experimental Learning of a Hyperelastic Behavior with a Physics-Augmented Neural Network
Authors
C. Jailin
A. Benady
R. Legroux
E. Baranger
Publication date
09-09-2024
Publisher
Springer US
Published in
Experimental Mechanics / Issue 9/2024
Print ISSN: 0014-4851
Electronic ISSN: 1741-2765
DOI
https://doi.org/10.1007/s11340-024-01106-5
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    in-adhesives, MKVS, Ecoclean/© Ecoclean, Hellmich GmbH/© Hellmich GmbH, Krahn Ceramics/© Krahn Ceramics, Kisling AG/© Kisling AG, ECHTERHAGE HOLDING GMBH&CO.KG - VSE, Schenker Hydraulik AG/© Schenker Hydraulik AG