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Kollmann, Hunter T.; Abueidda, Diab W.; Koric, Seid; Guleryuz, Erman; Sobh, Nahil A.
Materials & design, November 2020, 2020-11-00, 2020-11-01, Letnik: 196Journal Article
Data-driven models are rising as an auspicious method for the geometrical design of materials and structural systems. Nevertheless, existing data-driven models customarily address the optimization of structural designs rather than metamaterial designs. Metamaterials are emerging as promising materials exhibiting tailorable and unprecedented properties for a wide spectrum of applications. In this paper, we develop a deep learning (DL) model based on a convolutional neural network (CNN) that predicts optimal metamaterial designs. The developed DL model non-iteratively optimizes metamaterials for either maximizing the bulk modulus, maximizing the shear modulus, or minimizing the Poisson's ratio (including negative values). The data are generated by solving a large set of inverse homogenization boundary values problems, with randomly generated geometrical features from a specific distribution. Such s data-driven model can play a vital role in accelerating more computationally expensive design problems, such as multiscale metamaterial systems. Display omitted •A deep learning (DL) model is developed for obtaining optimized metamaterials.•The DL model optimizes for bulk modulus, shear modulus, or Poisson's ratio.•Parallel computing on the HPC system is used to generate the data needed for the DL model training.•The developed DL model shows high accuracy.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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