Auto-Regressive U-Net for Full-Field Prediction of Shrinkage-Induced Damage in Concrete

Fuente: arXiv
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Main Authors: Gaynutdinova, Liya, Havlásek, Petr, Rokoš, Ondřej, Hendriks, Fleur, Doškář, Martin
Format: Preprint
Published: 2025
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author Gaynutdinova, Liya
Havlásek, Petr
Rokoš, Ondřej
Hendriks, Fleur
Doškář, Martin
author_facet Gaynutdinova, Liya
Havlásek, Petr
Rokoš, Ondřej
Hendriks, Fleur
Doškář, Martin
contents This paper introduces a deep learning approach for predicting time-dependent full-field damage in concrete. The study uses an auto-regressive U-Net model to predict the evolution of the scalar damage field in a unit cell given microstructural geometry and evolution of an imposed shrinkage profile. By sequentially using the predicted damage output as input for subsequent predictions, the model facilitates the continuous assessment of damage progression. Complementarily, a convolutional neural network (CNN) utilises the damage estimations to forecast key mechanical properties, including observed shrinkage and residual stiffness. The proposed dual-network architecture demonstrates high computational efficiency and robust predictive performance on the synthesised datasets. The approach reduces the computational load traditionally associated with full-field damage evaluations and is used to gain insights into the relationship between aggregate properties, such as shape, size, and distribution, and the effective shrinkage and reduction in stiffness. Ultimately, this can help to optimize concrete mix designs, leading to improved durability and reduced internal damage.
format Preprint
id arxiv_https___arxiv_org_abs_2509_20507
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Auto-Regressive U-Net for Full-Field Prediction of Shrinkage-Induced Damage in Concrete
Gaynutdinova, Liya
Havlásek, Petr
Rokoš, Ondřej
Hendriks, Fleur
Doškář, Martin
Machine Learning
This paper introduces a deep learning approach for predicting time-dependent full-field damage in concrete. The study uses an auto-regressive U-Net model to predict the evolution of the scalar damage field in a unit cell given microstructural geometry and evolution of an imposed shrinkage profile. By sequentially using the predicted damage output as input for subsequent predictions, the model facilitates the continuous assessment of damage progression. Complementarily, a convolutional neural network (CNN) utilises the damage estimations to forecast key mechanical properties, including observed shrinkage and residual stiffness. The proposed dual-network architecture demonstrates high computational efficiency and robust predictive performance on the synthesised datasets. The approach reduces the computational load traditionally associated with full-field damage evaluations and is used to gain insights into the relationship between aggregate properties, such as shape, size, and distribution, and the effective shrinkage and reduction in stiffness. Ultimately, this can help to optimize concrete mix designs, leading to improved durability and reduced internal damage.
title Auto-Regressive U-Net for Full-Field Prediction of Shrinkage-Induced Damage in Concrete
topic Machine Learning
url https://arxiv.org/abs/2509.20507