首页|Towards data-efficient mechanical design of bicontinuous composites using generative AI
Towards data-efficient mechanical design of bicontinuous composites using generative AI
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The distribution of material phases is crucial to determine the composite's mechanical property.While the full structure-mechanics relationship of highly ordered material distributions can be studied with finite number of cases,this relationship is difficult to be revealed for complex irregular distributions,preventing design of such material structures to meet certain mechanical requirements.The noticeable developments of artificial intelli-gence(AI)algorithms in material design enables to detect the hidden structure-mechanics correlations which is essential for designing composite of complex structures.It is intriguing how these tools can assist composite design.Here,we focus on the rapid generation of bicontinuous composite structures together with the stress dis-tribution in loading.We find that generative Al,enabled through fine-tuned Low Rank Adaptation models,can be trained with a few inputs to generate both synthetic composite structures and the corresponding von Mises stress distribution.The results show that this technique is convenient in generating massive composites designs with useful mechanical information that dictate stiffness,fracture and robustness of the material with one model,and such has to be done by several different experimental or simulation tests.This research offers valuable insights for the improvement of composite design with the goal of expanding the design space and automatic screening of composite designs for improved mechanical functions.
Generative artificial intelligenceStable diffusionComposite designPhase field modelMolecular dynamics simulation
Milad Masrouri、Zhao Qin
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Department of Civil and Environmental Engineering,Syracuse University,Syracuse,NY 13244,USA
Laboratory for Multiscale Material Modelling,Syracuse University,Syracuse,NY 13244,USA
The BioInspired Institute,Syracuse University,Syracuse,NY 13244,USA
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