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Using convolutional neural networks to predict composite properties beyond the elastic limit

Published online by Cambridge University Press:  25 April 2019

Charles Yang ,
Youngsoo Kim ,
Seunghwa Ryu  and
Grace X. Gu
Charles Yang
Affiliation:
Department of Mechanical Engineering, University of California, Berkeley, CA 94720, USA
Youngsoo Kim
Affiliation:
Department of Mechanical Engineering & KI for the NanoCentury, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
Seunghwa Ryu*
Affiliation:
Department of Mechanical Engineering & KI for the NanoCentury, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
Grace X. Gu*
Affiliation:
Department of Mechanical Engineering, University of California, Berkeley, CA 94720, USA
*
Address all correspondence to Seunghwa Ryu at ryush@kaist.ac.kr and Grace X. Gu at ggu@berkeley.edu
Address all correspondence to Seunghwa Ryu at ryush@kaist.ac.kr and Grace X. Gu at ggu@berkeley.edu
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Abstract

Composites are ubiquitous throughout nature and often display both high strength and toughness, despite the use of simple base constituents. In the hopes of recreating the high-performance of natural composites, numerical methods such as finite element method (FEM) are often used to calculate the mechanical properties of composites. However, the vast design space of composites and computational cost of numerical methods limit the application of high-throughput computing for optimizing composite design, especially when considering the entire failure path. In this work, the authors leverage deep learning (DL) to predict material properties (stiffness, strength, and toughness) calculated by FEM, motivated by DL's significantly faster inference speed. Results of this study demonstrate potential for DL to accelerate composite design optimization.

Type
Artificial Intelligence Research Letters
Information
MRS Communications , Volume 9 , Issue 2 , June 2019 , pp. 609 - 617
Copyright
Copyright © Materials Research Society 2019 

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Footnotes

*

These authors contributed equally to this work.

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