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20 April 2022 Harnessing the power of natural evolution for discovering metastructures with new operation modalities
Qianyun Zhang, Kaveh Barri, Amir H. Alavi
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Proceedings Volume 12043, Active and Passive Smart Structures and Integrated Systems XVI; 1204314 (2022) https://doi.org/10.1117/12.2607688
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States
Abstract
Natural evolution has been a major source of inspiration for scientists for decades. Here, we aim to harness the power of natural evolution for automated design and discovery of novel forms of metastructures. In the proposed process, evolution takes place by randomly creating an initial population of metamaterial entities that will pass on their genetic material to their offspring through variation, reproduction and selection. The metamaterial configurations with desired response emerge during this evolutionary process. We deploy this process to design metamaterial artefacts assessed during evolution with respect to minimum Poisson’s ratio. The experimental properties of the evolved metamaterial systems are in an acceptable agreement with the theoretical values. With the growing interesting in metamaterials for various engineering applications, artificial evolution of metamaterials could open up new avenues towards more efficient and creative design of these systems.
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Qianyun Zhang, Kaveh Barri, and Amir H. Alavi "Harnessing the power of natural evolution for discovering metastructures with new operation modalities", Proc. SPIE 12043, Active and Passive Smart Structures and Integrated Systems XVI, 1204314 (20 April 2022); https://doi.org/10.1117/12.2607688
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KEYWORDS
Metamaterials
Machine learning
Structural design
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