Author

Mehrdad Shafiei Dizaji

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Preprint Aug 2026

Finite Element Model Updating-based Load Rating of Bridges with Incomplete As-Built Information

Load rating is the engineering process of determining the safe load-carrying capacity of an existing bridge structure often through analysis of its load-bearing members and their cross sections. However, when structural drawings and details of the structure are missing or insufficient for such calculations, alternative...

Mehrdad Shafiei Dizaji, D. Harris, Mohamad Alipour et al. · 0 citations

Preprint Sep 2026

Integrated Laser Scanning and Image-Based Topology Optimization Techniques for Detection and Quantification of Visible and Subsurface Structural Defects

Reliable characterization of structural defects requires methods capable of resolving both directly observable surface damage and damage that is not visible from the inspected surface. This study presents two complementary non-contact, vision-based approaches for the detection and quantitative characterization of defec...

Mehrdad Shafiei Dizaji, D. Harris · 0 citations

#machine learning Preprint Sep 2026

Predicting Subsurface Abnormalities Growth using Physics-Informed Neural Networks

This research presents a detailed development framework for a specialized PINN model, proficient at interpreting and forecasting GPR data, much like how medical imaging models predict tumor behavior, by integrating physics directly into the neural network.

Mehrdad Shafiei Dizaji, Hoda Azari · 0 citations