2021
DOI: 10.1016/j.addma.2020.101710
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Hierarchical combinatorial design and optimization of non-periodic metamaterial structures

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Cited by 17 publications
(8 citation statements)
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References 56 publications
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“…Going forward, as Industry 4.0 transforms the manufacturing environments into cyber-physical environments, AI will be indispensable for data analysis and subsequent decision-making (Rai and Sahu 2020). Product design (Huang and Rai 2018), inspection (Zhang et al 2019a), geometry processing (Zhang, Jaiswal, and Rai 2018), material informatics (Wang et al 2021), control of dynamic systems ) are few more applications of ML in manufacturing. The utility of ML in manufacturing applications reflects that ML can be integrated into every phase of product lifecycle, starting from design to disposal of the product in a manufacturing environment.…”
Section: Discussionmentioning
confidence: 99%
“…Going forward, as Industry 4.0 transforms the manufacturing environments into cyber-physical environments, AI will be indispensable for data analysis and subsequent decision-making (Rai and Sahu 2020). Product design (Huang and Rai 2018), inspection (Zhang et al 2019a), geometry processing (Zhang, Jaiswal, and Rai 2018), material informatics (Wang et al 2021), control of dynamic systems ) are few more applications of ML in manufacturing. The utility of ML in manufacturing applications reflects that ML can be integrated into every phase of product lifecycle, starting from design to disposal of the product in a manufacturing environment.…”
Section: Discussionmentioning
confidence: 99%
“…Instead, this high-level classification of all aperiodic cellular materials is arrived at empirically, by observation of structures in nature, as well as a review of the engineering literature. In addition to these observations, engineering applications leveraging aperiodic cellular materials have traditionally involved metal foams, but there is a growing body of research that explores ideas such as the programmable insertion of defects into periodic cellular materials [9,10], gradation in cell size or thickness [11], and the use of multiple-unit cell shapes and managing transitions between them [12,13]. Several approaches have also been proposed for the design of these aperiodic cellular materials [14], and a selection of these methods, most commonly the Voronoi tessellation, have also been implemented in commercial design software [15].…”
Section: Types Of Aperiodic Cellular Materialsmentioning
confidence: 99%
“…A similar interpolation strategy was commonly used to design variable-density cellular structures to generate a smooth connection between unit cells with different volumes [16]. Wang et al [63] tackled the geometric compatibility by proposing non-periodic implicit functions that can generate two compatible unit cells with good overlap at the intersection face. In this paper, our approach takes advantage of the integrated TO and IH-GAN framework to generate functionally graded cellular structures with multiple types of unit cells and address the connectivity bottleneck simultaneously without a need for compatibility optimization.…”
Section: Structures Assembled By Multiple Types Of Cellular Unit Cellsmentioning
confidence: 99%
“…The major risk that arises when merging different types of cellular unit cells is the lack of sufficient interface connection area [63]. If the geometries at the intersection between two adjacent unit cells are significantly different, the common face's potential overlap can be low, leading to poor connectivity.…”
Section: Connectivitymentioning
confidence: 99%