2 citations · 5 across the 11 of their papers we have counts for
11 papers
Integrated Laser Scanning and Image-Based Topology Optimization Techniques for Detection and Quantification of Visible and Subsurface Structural Defects
Mehrdad Shafiei Dizaji, Devin Harris
Reliable characterization of structural defects requires methods capable of resolving both directly observable surface damage and damage that is not visible from the inspected surf…
Predicting Subsurface Abnormalities Growth using Physics-Informed Neural Networks
Mehrdad Shafiei Dizaji, Hoda Azari
The research explores the pioneering integration of Physics-Informed Neural Networks (PINNs) into the domain of Ground-Penetrating Radar (GPR) data prediction. This research presen…
Finite Element Model Updating-based Load Rating of Bridges with Incomplete As-Built Information
Mehrdad S. Dizaji, Devin K. Harris, Mohamad Alipour +3
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 c…
Deep learning-based Visual Measurement Extraction within an Adaptive Digital Twin Framework from Limited Data Using Transfer Learning
Mehrdad Shafiei Dizaji
Digital Twins technology is revolutionizing decision-making in scientific research by integrating models and simulations with real-time data. Unlike traditional Structural Health M…
A Hybrid Training Algorithm for Continuum Deep Learning Neuro-Skin Neural Network
Mehrdad Shafiei Dizaji
In this brief paper, a learning algorithm is developed for Deep Learning NeuroSkin Neural Network to improve their learning properties. Neuroskin is a new type of neural network pr…
Graph-Theoretical Based Algorithms for Structural Optimization
Farzad S. Dizaji, Mehrdad S. Dizaji
Five new algorithms were proposed in order to optimize well conditioning of structural matrices. Along with decreasing the size and duration of analyses, minimizing analytical erro…
A Novel Smart Memory Alloy Re-centering Damper for Passive Protection of Structures Subjected to Seismic Excitations Using High-Performance NiTiHfPd Material
Farzad Shafiei Dizaji, Mehrdad Shafiei Dizaji
This research proposes and evaluates a superelastic memory alloy re-centering damper system for improving the reaction of steel frame buildings that have been exposed to several le…
Computer Vision based Tomography of Structures Using 3D Digital Image Correlation
Mehrdad Shafiei Dizaji, Devin Harris
Internal properties of a sample can be observed by medical imaging tools, such as ultrasound devices, magnetic resonance imaging (MRI) and optical coherence tomography (OCT) which…
Training of Deep Learning Neuro-Skin Neural Network
Mehrdad Shafiei Dizaji
In this brief paper, a learning algorithm is developed for Deep Learning Neuro-Skin Neural Network to improve their learning properties. Neuroskin is a new type of neural network p…
Computer Vision-Based Health Monitoring of Mecklenburg Bridge Using 3D Digital Image Correlation
Mehrdad S. Dizaji, Devin K. Harris, Bernie Kassner +1
A collaborative investigation between the University of Virginia (UVA) and the Virginia Transportation Research Council was performed on the Mecklenburg Bridge (I-85 over Route 1 i…
Universal Hysteresis Identification Using Extended Preisach Neural Network
Mojtaba Farrokh, Mehrdad Shafiei Dizaji, Farzad Shafiei Dizaji +1
Hysteresis phenomena have been observed in different branches of physics and engineering sciences. Therefore, several models have been proposed for hysteresis simulation in differe…