Original title: Predicting Subsurface Abnormalities Growth using Physics-Informed Neural Networks
Mehrdad Shafiei Dizaji, Hoda Azari · September 2026
Engineers need to monitor hidden damage inside bridges and roads before dangerous failures happen. They often use ground-penetrating radar, which sends radar waves underground to spot hidden defects, but forecasting how that subsurface damage will grow is challenging. Researchers built a specialized physics-informed neural network to interpret and predict this radar data. Instead of acting like a standard computer program that only guesses patterns from raw images, this model builds the actual physical laws of electromagnetic wave propagation directly into its code. It treats underground structures similarly to how medical scans monitor tumors in human tissue. The system uses a convolutional neural network, specialized long short-term memory units, and self-adapting attention tools to focus on the most important visual and time-based clues. The team found that adding physical laws gave their model enhanced accuracy in forecasting radar signals, providing more precise predictions for bridge decks and civil infrastructure.
Imagine trying to guess how a spilled drink spreads on a tablecloth without touching it. You know liquids follow paths based on the cloth's weave and texture, but predicting the exact spread is hard without rules. In this paper, the model predicts underground growth by using physical laws, much like predicting stain spread with knowledge of fabric properties.
This helps civil engineers spot hidden damage in bridges and other structures before they fail. Safer infrastructure means fewer accidents and lower repair costs.
The abstract does not specify limitations, but it focuses on enhancing accuracy for GPR data in civil infrastructure applications, without detailing broader scope or real-world constraints.
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Predicting Subsurface Abnormalities Growth using Physics-Informed Neural Networks — Mehrdad Shafiei Dizaji, Hoda Azari
Abstract licence: CC0
Explanation generated by Synthesis from the abstract — it is not the original paper. This is a preprint, so it hasn't necessarily been peer reviewed.