期刊
SCIENCE ADVANCES
卷 7, 期 26, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.abf3658
关键词
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资金
- Industrial Fracture Consortium
A recurrent neural network framework with Minimal State Cells is developed for material modeling, successfully applied to datasets of four distinct classes of materials, accurately reproducing stress-strain responses for any loading path. The final result is a universal, flexible model that can capture the mechanical behavior of any engineering material while providing an interpretable representation of their state.
Computational models describing the mechanical behavior of materials are indispensable when optimizing the stiffness and strength of structures. The use of state-of-the-art models is often limited in engineering practice due to their mathematical complexity, with each material class requiring its own distinct formulation. Here, we develop a recurrent neural network framework for material modeling by introducing Minimal State Cells. The framework is successfully applied to datasets representing four distinct classes of materials. It reproduces the three-dimensional stress-strain responses for arbitrary loading paths accurately and replicates the state space of conventional models. The final result is a universal model that is flexible enough to capture the mechanical behavior of any engineering material while providing an interpretable representation of their state.
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