Publications
I have authored 42 papers, of which 32 are journal articles (20 as the first/corresponding author) and 10 are conference papers. The data and codes which are not publicly released might be available upon request.
In Preparation
L Ai; E Elbatanouny; Laxman K C; P Ziehl. Application of Digital Twins in Smart Cities: A State-of-the-Art Review. Target Journal: TBD, in preparation.
L Ai; E Elbatanouny; Laxman K C; S Houck; B Henderson; P Ziehl. Rapid Localization for Low-velocity Impacts of Composite Plates Using Acoustic Emission Sensor. Target Journal: TBD, in preparation.
X Yan; H Su; L Ai. Self-supervised Learning Framework for Fracture Damage Assessment of Hydraulic Concrete Based on Acoustic Emission Signals. Target Journal: TBD, in preparation.
X Yan; H Su; L Ai. Estimation of Cracking and Damage Mechanisms in Hydraulic Concrete under Three-point Bending by Moment Tensor Analysis of Acoustic Emission. Target Journal: TBD, in preparation.
X Yan; H Su; L Ai. Numerical Simulation Method of Acoustic Emission for Hydraulic Concrete Failure Considering Material Heterogeneity. Target Journal: TBD, in preparation.
Under Review
L Ai (✉); T Mesaric; S Flowers; S Houck; J Widawsky; P Ziehl. Evaluation of impact energy in composites using acoustic emission sensing technique. Measurement Science and Technology. under review
L Ai (✉); D Bianco; V Soltangharaei; R Anay; P Ziehl. Exploring the Impact of Aggregate Size and Reinforcement on Alkali-Silica Reaction in Concrete: A Comparative Analysis of Various Nondestructive Evaluation Techniques. Mechanical Systems and Signal Processing. under review
S Zhou; C Wu; Y Hu; D Zhu; L Ai. Investigating the Constitutive Relationship of Steel-fiber-reinforced Recycled Fine Aggregate Concrete under Uniaxial Compression. Journal of Engineered Fibers and Fabrics. under review
Y Shi; J Li; X Lv; L Ai; X Tan; C Wu. Research and Application of Feeding-hoisting Equipment for Sealing Leakage in Concentrated Inlets of Earth-rock Dams. Practice Periodical on Structural Design and Construction-ASCE. under review
Published Journal Articles
L Ai (✉); P Ziehl. Advances in digital twin technology in industry: A Review of Applications, Challenges, and Standardization. Journal of Intelligent Construction. 2024. DOI PDF
H Wang; L Zhang; K Li; W Zhang; Z Ma; X Chen; L Ai; D Liu; N Yang; S Liu; F Meng. Metal surface crack depth laser acoustic emission detection method based on multivariate feature adaptive extraction and cross-modal interaction fusion. Measurement. 2024. 242C:116020. DOI
E Elbatanouny; L Ai (✉); A Henderson; L K C; P Ziehl. An Automated Load Determination Approach for Concrete Girder Bridges Through Acoustic Emission. Advances in Structural Engineering. 2024. p.13694332241289163. DOI
L Ai (✉); R Krol; A Henderson; V Soltangharaei; B Ross; T Cousins; P Ziehl. Enhancing the Rehabilitation of Timber Piles Using Fiber Reinforced Polymer: An Acoustic Emission Analysis Under Compressive Stress. Engineering Structures. 2024. 319: 118915. DOI
Y Wu; Z Zhao; P Chen; F Guo; Y Qin; S Long; L Ai. Hybrid Learning Architecture for High-Speed Railroad Scene Parsing and Potential Safety Hazard Evaluation of UAV Images. Measurement. 2024. 239:115504. DOI
P Ni; D Fang; L Ai; J Tan. Tan. Stability analysis of moored floating offshore seamarks. Physics of Fluids. 2024. Vol.36: 117138. DOI
E Elbatanouny; A Henderson; L Ai (✉); P Ziehl. Condition Assessment of Prestressed Concrete Channel Bridge Girders Using Acoustic Emission and Data-Driven Methods. Structures. 2024. 67: 107008. DOI
W Zhong; C Wu; L Ai; L Wang; D Zhu. Effects of modified multi-walled carbon nanotubes and PVA fibers on mechanical properties and microstructure of lithium slag base geopolymer. Construction and Building Materials. 2024. 438:137237. DOI
E Elbatanouny; A Henderson; L Ai (✉); L K C; B Ross; T Cousin; P Ziehl. Full-Scale Experimental Investigation of Prestressed Concrete Channel Bridge Girders Strengthened with Aluminum Channels. Engineering Structures. 2024. 314: 118433. DOI
L Ai (✉); Laxman K C; E Elbatanouny; M Bayat; M van Tooren; P Ziehl. Monitoring and Automatic Characterization of Low-velocity Impacts on Composite Components Through Acoustic Emission. Mechanical Systems and Signal Processing. 2024. 218:111586. DOI
L Zhang; K Li; H Wang; D Liu; Z Ma; Q Zhang; M Li; W Zhang; C Wang; L Ai. Research on a Multimodal Fusion Convolutional Physical Information Neural Networks Method for Improving the Precision of AE Source Planar Localization. Measurement. 235:114995. DOI
P Ni; D Fang; L Ai. Numerical Investigation of Three-Dimensional Incompressible Fluid Flow in Curved Elastic Tube. Journal of Intelligent Construction. 2024. DOI
L Ai (✉); Laxman K C; E Elbatanouny; A Henderson; P Ziehl. Assisting Load Rating Testing of Precast Reinforced Concrete Bridge Slab through Digital Twins and Field Monitoring Data. Journal of Testing and Evaluation. 2024. DOI
D Fang; L Ai; J Tan; H Fu. Immersed Force Analysis of Fish Surface with Carangiform Locomotion. Physics of Fluids. 2024. Vol.36: 031903. DOI
L Ai; V Soltangharaei; B Greer; M Bayat; P Ziehl. Structural Health Monitoring of Stainless-Steel Nuclear Fuel Storage Canister Using Acoustic Emission. Developments in the Built Environment. 2024. Vol.17: 100294. DOI
E Elbatanouny; L Ai (✉); E Deaver; P Ziehl. Impact of Graphene on Microstructure and Compressive Strength of Cement Mortars Utilizing Two Different Dispersion Methods. Practice Periodical on Structural Design and Construction-ASCE. 2024. 29(1): 04023064. DOI
Laxman K C; A Henderson; E Elbatanouny; L Ai (✉); B Ross; T Cousins; P Ziehl. Cost-effective Methods for Flexural Strengthening of One-way RC Precast Flat Slab Bridges in South Carolina. Construction and Building Materials. 2023. Vol.408: 133675. DOI
X Yan; H Su; L Ai; V Soltangharaei; X Xu; K Yao. Study on Stage Characteristics of Hydraulic Concrete Fracture Under Uniaxial Compression Using Acoustic Emission. Nondestructive Testing and Evaluation. 2023. PP. 1-30. DOI
H He; S E; L Ai; X Wang; J Yao; B Cheng; C He. Exploiting Machine Learning for Controlled Synthesis of Carbon Dots-based Corrosion Inhibitors. Journal of Cleaner Production. 2023. Vol.419:138210. DOI PDF
L Ai; B Zhang; P Ziehl. A Transfer Learning Approach for Acoustic Emission Localization on Steel Plate-like Structure Using Numerical Simulation and Unsupervised Domain Adaptation. Mechanical Systems and Signal Processing. 2023. Vol.192:110216. DOI PDF
L Ai; M Bayat; P Ziehl. Localizing Damage on Stainless Steel Structures Using Acoustic Emission Signals and Weighted Ensemble Regression-based Convolutional Neural Network. Measurement. 2023. Vol.211:112659. DOI PDF
L Ai; S Flowers; T Mesaric; B Henderson; S Houck; P Ziehl. Acoustic Emission-Based Detection of Impacts on Thermoplastic Aircraft Control Surfaces: A Preliminary Study. Applied Sciences. 2023. Vol.13:6573.DOI PDF
Laxman K C; N Tabassum; L Ai (✉); C Cole; P Ziehl. Automated Crack Detection and Crack Depth Prediction for Reinforced Concrete Structures using Deep Learning. Construction and Building Materials. 2023. Vol.370:130709. DOI PDF
Laxman K C; A Ross; L Ai (✉); A Henderson; E Elbatanouny; M Bayat; P Ziehl. Determination of Vehicle Loads on Bridges by Acoustic Emission and an Improved Ensembled Artificial Neural Network. Construction and Building Materials. 2023. Vol.364:129844. DOI PDF
L Ai; V Soltangharaei; P Ziehl. Developing a Heterogeneous Ensemble Learning Framework to Evaluate Alkali-silica Reaction Damage in Concrete using Acoustic Emission Signals. Mechanical Systems and Signal Processing. 2022. Vol.172:108981. DOI PDF
L Ai; V Soltangharaei; P Ziehl. Evaluation of ASR in Concrete Using Acoustic Emission and Deep Learning. Nuclear Engineering and Design. 2021. Vol.380:111328. DOI PDF
L Ai; V Soltangharaei; M Bayat; M van Tooren; P Ziehl. Detection of Impact on Aircraft Composite Structure Using Machine Learning Techniques. Measurement Science and Technology. 2021. Vol.32:084013. DOI PDF
L Ai; V Soltangharaei; M Bayat; B Greer; P Ziehl. Source Localization on Large-Scale Canisters for Used Nuclear Fuel Storage Using Optimal Number of Acoustic Emission Sensors. Nuclear Engineering and Design. 2021. Vol.375:111097. DOI PDF
L Ai; V Soltangharaei; M van Tooren; P Ziehl. A Smart Impact Detection System for Aircraft Control Surface Based on Acoustic Emission Monitoring. International Journal of COMADEM. 2021. Vol.24:27-34. DOI PDF
V Soltangharaei; L Ai; R Anay; M Bayat; P Ziehl. Implementation of Information Entropy, b-value, and Regression Analyses for Temporal Evaluation of AE Data Recorded During ASR Cracking. Practice Periodical on Structural Design and Construction-ASCE. 2021. Vol.26:04020065. DOI PDF
V Soltangharaei; R Anay; L Ai; ER. Giannini; J Zhu; P Ziehl. Temporal Evaluation of ASR Cracking in Concrete Specimens Using Acoustic Emission. Journal of Materials in Civil Engineering-ASCE. 2020. Vol.32:04020285. DOI PDF
V Soltangharaei; JW Hill; L Ai; R Anay; B Greer; M Bayat; P Ziehl. Acoustic Emission Technique to Identify Stress Corrosion Cracking Damage. Structural Engineering and Mechanics. 2020. Vol.75:723-736. DOI PDF
Published Conference Proceedings
L Ai; T Mesaric; S Flowers; S Houck; J Widawsky; B Henderson; P Ziehl. Assessing Impact-Related Damage in Urban Air Mobility With Acoustic Emission Sensing. 51st Annual Review of Progress in QNDE-2024. DOI.
L Ai; T Mesaric; S Flowers; S Houck; J Widawsky; B Henderson; P Ziehl. Evaluating Impact Damage in Urban Air Mobility Using Acoustic Emission Sensing and a Probability-Based Classification Method. Transformative Vertical Flight (TVF) 2024. DOI
L Ai; B Henderson; S Houck; S Dickson; P Ziehl. Identifying the Energy of Low-velocity Impacts on Composite Components Using Acoustic Emission. 2023 IEEE Aerospace Conference. 2023 Mar 4. DOI PDF
L Ai; E Elbatanouny; Laxman K C; M Bayat; V Soltangharaei; M van Tooren; P Ziehl. Detection and Evaluation of Impact Damage on Aircraft Control Surface Using Acoustic Emission and Convolution Neural Network. The 13th International Workshop on Structural Health Monitoring (IWSHM 2021). DOI PDF
L Ai; M Bayat; G Comert; P Ziehl. An Autonomous Bridge Load Rating Framework Using Digital Twins. The 13th International Workshop on Structural Health Monitoring (IWSHM 2021). DOI PDF
L Ai; Laxman, K C; E Elbatanouny; V Soltangharaei; M van Tooren; P Ziehl. Assessment of Impact Damage Level for Composite Aircraft Components Using Acoustic Emission. 2021 Sept 21; CAMX 2021. TP21-0000000329. Link PDF
L Ai; V Soltangharaei; Wout de Backer; P Ziehl; M van Tooren. A Minimally Intrusive Impact Detection System for Aircraft Moveable using Random Forest. 2020 Sept 21; CAMX 2020.TP20-0000000091 (Outstanding Paper Award). Link PDF
L Ai; V Soltangharaei; R Anay; M van Tooren; P Ziehl, Data-Driven Source Localization of Impact on Aircraft Control Surfaces. 2020 IEEE Aerospace Conference 2020 Mar 7 (pp. 1-10). IEEE. DOI PDF
L Ai; B Greer; J Hill; V Soltangharaei; R Anay; P Ziehl, Finite Element Modeling of Acoustic Emission in Dry Cask Storage Systems Generated by Cosine Bell Sources. May 2019, AIP Conference Proceedings 2102(1):13000. DOI PDF
V Soltangharaei; R Anay; L Ai; Y Le Pape; Z John Ma; P Ziehl, Monitoring Alkali Silica Reaction of Large and Medium Scale Concrete Specimens Using Acoustic Emission. SMIRT 25. 2019 Link PDF
Book Chapter
- V Soltangharaei; L Ai; P Ziehl. Implementation of Data-Driven Approaches for Condition Assessment of Structures and Analyzing Complex Data. Leveraging Artificial Intelligence in Engineering, Management, and Safety of Infrastructure 2022 Nov 17 (pp. 91-119). CRC Press. DOI PDF
Technical Report
- J Zhu; H Sun; C Malone; P Ziehl; L Ai; M Bayat; Y Zhang; Taeyong Shin, and Eric Giannini. Online Monitoring System for Concrete Structures Affected by Alkali-Silica Reaction. No. DOE-UNL-NE8544. Univ. of Nebraska, Lincoln, NE (United States), 2021. DOI