Technical Reports

  • M. Noghabaei, Y. Liu, and K. Han (2022). “Automated Compatibility Checking of Prefabricated Components Using 3D As-built Models and BIM,” Technical Report No. – CNEFS-1/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • M. Noghabaei, K. Han, and A. Albert (2022). “Feasibility Study to Identify Brain Activity and Eye-tracking Features for Assessing Hazard Recognition Using Consumer-grade Wearables in an Immersive Virtual Environment,” Technical Report No. – CNEFS-2/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • M. Noghabaei and K. Han (2022). “Object Manipulation in Immersive Virtual Environments: Hand Motion Tracking Technology and Snap-to-fit Function,” Technical Report No. – CNEFS-3/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • Y. Liu, K. Han, and W. Rasdorf (2022). “Multiple Regression Assessment and Prediction of Impact of Flight Configuration Factors on UAS-based Photogrammetric Survey Accuracy,” Technical Report No. – CNEFS-4/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • D. Lee, G. Nie, and K. Han (2022). “Vision-based Quality Assessment of Prefabricated Components Using Images and Camera Poses,” Technical Report No. – CNEFS-5/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • Y. Liu, K. Han, and W. Rasdorf (2022). “Assessment and Prediction of Impact of Flight Configuration Factors on UAS-Based Photogrammetric Survey Accuracy,” Technical Report No. – CNEFS-6/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • D. Lee, G. Nie, A. Ahmed, and K. Han (2022). “Development of Automated Welding System for Construction: Focused on Robotic Arm Operation for Varying Weave Patterns,” Technical Report No. – CNEFS-7/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • R. Son and K. Han (2022). “Automated Model-based 3D Scan Planning for Prefabricated Building Components,” Technical Report No. – CNEFS-8/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • N. Crowder, J. Lee, A. Gupta, K. Han, and C. Ritter (2022). “Digital Engineering for Integrated Modeling and Simulation for Building-Piping Systems through Interoperability Solutions. Nuclear Science and Engineering, Special Issue on Versatile Test Reactor,” Technical Report No. – CNEFS-9/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • G. Nie, S.S. Bodda, H.K. Sandhu, K. Han, and A. Gupta (2022). “Computer Vision-based Vibration Tracking Using a Digital Camera: A Sparse Optical Flow-based Target Tracking Method,” Technical Report No. – CNEFS-10/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • Y. Liu, K. Han, and W. Rasdorf (2022). “Assessment and Prediction of Impact of Flight Configuration Factors on UAS-Based Photogrammetric Survey Accuracy,” Technical Report No. – CNEFS-11/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • A.A. Stuart and G. Proestos (2022). “Investigating the Response of Reinforced Concrete Elements Subjected to Shear and Axial Stresses,” Technical Report No. – CNEFS-12/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • L. Wang, L. Lin, and N. Dinh (2022). “Data coverage assessment on neural network based digital twins for autonomous control system,” Technical Report No. – CNEFS-13/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • A. Gurgen and N. Dinh (2022). “Development and assessment of a reactor system prognosis model with physics-guided machine learning,” Technical Report No. – CNEFS-14/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • L. Lin, P. Athe, P. Rouxelin, M. Avramova, A. Gupta, R. Youngblood, J. Lane, and N. Dinh (2022). “Digital-twin-based improvements to diagnosis, prognosis, strategy assessment, and discrepancy checking in a nearly autonomous management and control system,” Technical Report No. – CNEFS-15/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Singh and A. Gupta (2022). “Understanding the seismic response of electrical equipment subjected to high–frequency ground motions,” Technical Report No. – CNEFS-16/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Singh and A. Gupta (2022). “Effect of Boundary Conditions on Seismic Response of Electrical Equipment subjected to High-Frequency Ground Motions,” Technical Report No. – CNEFS-17/2022. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Patel, S.S. Bodda, and A. Gupta (2021). “Modeling the Behavior of Reinforced Concrete Slabs Subjected to Impact,” Technical Report No. – CNEFS-1/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Vaishanav, S.S. Bodda, and A. Gupta (2021). “Limitations of Traditional Tools for Beyond Design Basis External Hazard PRA,” Technical Report No. – CNEFS-2/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Vaishanav, S.S. Bodda, and A. Gupta (2021). “Computationally Efficient Approach for Risk-informed Decision Making,” Technical Report No. – CNEFS-3/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Vaishanav, S.S. Bodda, and A. Gupta (2021). “Computationally Efficient Approach for Multi-hazard and Multi-Unit Probabilistic Risk Assessment,” Technical Report No. – CNEFS-4/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. S. Bodda, M. Keller, A. Gupta, and G. Senfaute (2021). “A Bayesian approach to estimate relative weights of GMPE models,” Technical Report No. – CNEFS-5/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. S. Bodda, M. Keller, A. Gupta, and G. Senfaute (2021). “A methodological approach to update Ground Motion Prediction Models using Bayesian Inference,” Technical Report No. – CNEFS-6/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • H.K Sandhu, S.S. Bodda, and A. Gupta (2021). “Post-Hazard Condition Assessment of Nuclear Piping-Equipment systems using Artificial Neural Networks,” Technical Report No. – CNEFS-7/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • H.K Sandhu, S.S. Bodda, and A. Gupta (2021). “AI-Based Condition Monitoring of Nuclear Piping-Equipment Systems Subjected to Normal Operating Loads,” Technical Report No. – CNEFS-8/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • H.K Sandhu, S.S. Bodda, and A. Gupta (2021). “A Comparative Study on Deep Learning Approaches for Condition Monitoring of Advanced Reactor Piping Systems,” Technical Report No. – CNEFS-9/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Lee, G. Proestos, and A. Gupta (2021). “Performance-Based Characterization and Quantification of Uncertainty in Concrete Damage Plasticity Model for Seismic Fragility Assessment of Concrete Structures in Nuclear Power Plant,” Technical Report No. – CNEFS-10/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Lee, G. Proestos, and A. Gupta (2021). “Selection of Damping and Nonlinear Model Parameters in Nonlinear Seismic Analysis of Concrete Structures: A Case of Minor Nonlinearities,” Technical Report No. – CNEFS-11/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Lee, G. Proestos, and A. Gupta (2021). “Selection of Damping and Nonlinear Model Parameters for Nonlinear Seismic Analysis of Concrete Structures Subjected to Large Nonlinearity,” Technical Report No. – CNEFS-12/2021. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • N. Crowder and A. Gupta (2020). “Effect of High-Frequency Ground Motions on Electrical Cabinets,” Technical Report No. – CNEFS-1/2020. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Patel, M. Mahanta, S.S. Bodda, and A. Gupta (2020). “Modeling the Behavior of Reinforced Concrete Slabs Subjected to Impact,” Technical Report No. – CNEFS-2/2020. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Singh, A. Cabas, and A. Gupta (2020). “Factors Affecting Seismic Response of Electrical Equipment in Nuclear Power Plants Subjected to High–Frequency Ground Motions,” Technical Report No. – CNEFS-3/2020. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Singh, N. Crowder, P. Patel, and A. Gupta (2020). “Non-Linear Behaviors of Equipment Subjected to High-Frequency Seismic Motion,” Technical Report No. – CNEFS-4/2020. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • A. McCarn, K. Han, and A. Gupta(2020). “Digital Engineering Solution for Integrated Design and Construction of Nuclear Facilities,” Technical Report No. – CNEFS-5/2020. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda, A. Gupta, and N. Dinh (2019). “Risk Informed Validation Framework for External Flooding Scenario,” Technical Report No. – CNEFS-1/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda, A. Gupta, and N. Dinh (2019). “Enhancement of Existing Risk Informed Validation Framework for External Hazards,” Technical Report No. – CNEFS-2/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda, A. Gupta, and N. Dinh (2019). “Assessment of Risk Informed Validation Framework to a Real Life Like Application – Sunny Day Dam Failure,” Technical Report No. – CNEFS-3/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • A. Dubey and A. Gupta (2019). “A Framework for Internal Flooding Risk Assessment,” Technical Report No. – CNEFS-4/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • A. Dubey and A. Gupta (2019). “Characterization of Limit State Needed in Seismic Fragility Assessment of Piping Systems,” Technical Report No. – CNEFS-5/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • A. Dubey and A. Gupta (2019). “Characterization of Piping T-Joint Behavior Through a Closed-Form Solution,” Technical Report No. – CNEFS-6/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda, H.K. Sandhu, A. Gupta and N. Dinh (2019). “Risk Assessment Using Bayesian Approach: Risk Informed Validation Framework and Multi-Hazard Risk Assessment,” Technical Report No. – CNEFS-7/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • H.K. Sandhu, P. Patel and A. Gupta (2019). “External Multi-Hazard Probabilistic Risk Assessment Methodology and Applications: A Review of The State-of-The-Art,” Technical Report No. – CNEFS-8/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • N. Crowder, S. Lee and A. Gupta (2019). “Modeling Geometric Nonlinearities of Support Structures for Seismic Qualification of Switchgear Equipment,” Technical Report No. – CNEFS-9/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • A. McCarn, K. Han and A. Gupta (2019). “Integrated Approach to Design and Construction of a Nuclear Facility using Building Information Modeling,” Technical Report No. – CNEFS-10/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • K. Han and A. Gupta (2019). “Performance Monitoring of Modular Construction through a Virtually Connected Project Site and Off-Site Manufacturing Facilities,” Technical Report No. – CNEFS-11/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Vaishanav and A. Gupta (2019). “Scaling of Uncertainty in Validation of Flooding Simulations: An Illustrative Case Study,” Technical Report No. – CNEFS-12/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Vaishanav, S. Singh and A. Gupta (2019). “Illustration of Ritz Vector Approach for Generating In-Cabinet Response Spectra in Cases of Complex Boundary Conditions,” Technical Report No. – CNEFS-13/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Singh and A. Gupta (2019). “Effect of High-Frequency Seismic Motions on Electrical Equipment in Nuclear Power Plants,” Technical Report No. – CNEFS-14/2019. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • A.F. Daba, R. Sceracino, A. Gupta and G. Lucier (2018). “Ultrasonic Imaging of Concrete for Rebar Detection,” Technical Report No. – CNEFS-1/2018. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda, A. Dubey and A. Gupta (2018). “Seismic Behavior of Coupled Reactor Pressure Vessel and Reactor Coolant Loop,” Technical Report No. – CNEFS-2/2018. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Chatterjee and A. Gupta (2017). “Development of Risk Consistent Approaches for Seismic Qualification of Equipment,” Technical Report No. – CNEFS-1/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Singh and A. Gupta (2017). “High Frequency Effects in Seismic Qualification of Electrical Equipment in Nuclear Facilities,” Technical Report No. – CNEFS-2/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda and A. Gupta (2017). “Fragility of a Weir Structure due to Scouring,” Technical Report No. – CNEFS-3/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda and A. Gupta (2017). “Multi-Hazard Fragility Assessment of a Concrete Floodwall,” Technical Report No. – CNEFS-4/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Singh and A. Gupta (2017). “Seismic Response of Electrical Equipment in Nuclear Power Plants,” Technical Report No. – CNEFS-5/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Chatterjee and A. Gupta, (2017). “Closed Form Solution for Seismic Amplifications in Electrical Equipment,” Technical Report No. – CNEFS-6/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Chatterjee and A. Gupta, (2017). “A Probabilistic Study of Reduction in Seismic Response of Equipment due to Coupled Analysis,” Technical Report No. – CNEFS-7/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Chatterjee and A. Gupta, (2017). “A PRA-Consistent Framework for Seismic Qualification of Equipment,” Technical Report No. – CNEFS-8/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda, A. Dubey and A. Gupta (2017). “Reduction in Seismic Demand by using Equipment-Structure Interaction,” Technical Report No. – CNEFS-9/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.S. Bodda, A. Dubey, P. Chatterjee and A. Gupta (2017). “Coupled Analysis of Primary-Secondary System to Generate Floor Response Spectra: Quantifying Reduction Factors for Coupled In-Structure Response Spectra Amplitudes,” Technical Report No. – CNEFS-10/2017. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Kwag and A. Gupta (2016). “Probabilistic Approaches for Multi-Hazard Risk Assessment of Structures and Systems,” Technical Report No. – CNEFS-1/2016. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Kwag and A. Gupta (2016). “Efficient Seismic Fragility Analysis of Coupled System using Equivalent Elastic Limit State Concept and Bayesian Updating,” Technical Report No. – CNEFS-2/2016. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Kwag and A. Gupta (2016). “Significance of Multi-Hazard Risk in Design of Buildings under Earthquake and Wind Loads,” Technical Report No. – CNEFS-3/2016. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Kwag, A. Gupta and N. Dinh (2016). “Probabilistic Risk Assessment Framework for Structural Systems under Multiple Hazards using Bayesian Statistics,” Technical Report No. – CNEFS-4/2016. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Kwag, A. Gupta and N. Dinh (2016). “Probabilistic Risk Assessment based Model Validation Method using Bayesian Network,” Technical Report No. – CNEFS-5/2016. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • T. Liu and A. Gupta, (2015). “Methods for scaling of Earthquake Ground Motions,” Technical Report No. – CNEFS-1/2015. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • B. Compton and A. Gupta, (2015). “Evaluation of the Performance of Non-Destructive Impact Testing in Post-Tensioned Rod Anchorage Mechanism in Concrete Gravity Dams,” Technical Report No. – CNEFS-2/2015. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S. Kwag and A. Gupta, (2015). “Fundamentals of Probabilistic Safety Assessment for External Hazards in Nuclear Energy Facilities,” Technical Report No. – CNEFS-3/2015. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • H.K. Sandhu and A. Gupta (2015). “Plotting Fragility Assessment for a Concrete Gravity Dam due to Flooding,” Technical Report No. – CNEFS-4/2015. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • H.K. Sandhu and A. Gupta (2015). “Updating Piping Fragilities of a Concrete Gravity Dam,” Technical Report No. – CNEFS-5/2015. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • B. Ju and A. Gupta, (2014). “A Framework for Experimentally Based Fragility Evaluation of Piping Systems,” Technical Report No. – CNEFS-1/2014. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.K. Tadinada and A. Gupta, (2014). “Probabilistic Approaches for Evaluating and Updating Seismic Fragility of Structures Using Diverse Data Types and Methodologies,” Technical Report No. – CNEFS-2/2014. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • S.Q. Syed and A. Gupta, (2014). “Consideration of Uncertainties in Constitutive Model of Concrete for Fragility Assessment of Shear Walls,” Technical Report No. – CNEFS-3/2014. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • Y. Ryu and A. Gupta, (2014). “A Study on Piping Fragility Based on Observations from Large-Scale Experiments,” Technical Report No. – CNEFS-4/2014. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.
  • P. Chatterjee and A. Gupta, (2014). “Reconciliation of Experimental and Analytical Behavior of Gas-Insulated Switchgear,” Technical Report No. – CNEFS-5/2014. Center for Nuclear Energy Facilities and Structures, NC State University, Raleigh, NC.