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Convolutional neural network-based isogeometric topology optimization without pre-optimized training data

Zhaohui Xia, Shinan Zhang, Jianli Liu, Tao Nie, Zhou Huang, Guizhong Xie

Engineering Computations 1–23.

https://doi.org/10.1108/EC-05-2025-0557

Published: 25 March 2026

... modeling with structural response analysis through isogeometric analysis (IGA). The structural response obtained from IGA serves as physical information for constructing the loss function of the CNN. Compared with traditional sensitivity analysis, a sensitivity analysis strategy based on backpropagation...

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