Dwayne McDaniel
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Dynamic Dwell Time Adjustment in Wire Arc-Directed Energy Deposition: A Thermal Feedback Control Approach Open
Precise thermal management remains a critical challenge in Wire Arc-Direct Energy Deposition (W-DED) processes due to significant temperature fluctuations that can adversely impact part quality, dimensional accuracy, and process reliabilit…
A novel hypothesis of violent storm sewer geyser Open
A violent geyser in a storm sewer is a phenomenon in which an air-water mixture violently erupts from the manhole. Although the sewer tunnel pressure is low, the eruption height can reach tens of meters above the ground. This article propo…
A Physics-Guided Parameter Estimation Framework for Cold Spray Additive Manufacturing Simulation Open
This work presents a physics-guided parameter estimation framework for cold spray additive manufacturing (CSAM), focusing on simulating and validating deposit profiles across diverse process conditions. The proposed model employs a two-zon…
A Behavioral Robotics Approach to Radiation Mapping Using Adaptive Sampling Open
Radiation mapping is a desirable task to automate because of the inherent risks involved and its tedious nature. A novel system was designed to address this by combining various existing technologies, utilizing behavior-based robotics and …
Precision Calibration in Wire-Arc-Directed Energy Deposition Simulations Using a Machine-Learning-Based Multi-Fidelity Model Open
Thermal simulation is essential in wire-arc-directed energy deposition (W-DED) to accurately estimate temperature distributions, impacting residual stress and distortion in components. Proper calibration of simulation models minimizes inac…
View article: FIU Project1: Chemical Process Alternatives for Radioactive Waste [Slides]
FIU Project1: Chemical Process Alternatives for Radioactive Waste [Slides] Open
"The U.S. DOE Hanford Site has the largest number of high-level waste (HLW) storage tanks and the largest volume of HLW in the United States. The safe storage, retrieval, treatment, and disposal of approximately 53 million gallons of highl…
Fast high-fidelity flood inundation map generation by super-resolution techniques Open
Flooding is one of the most frequent natural hazards and causes more economic loss than all the other natural hazards. Fast and accurate flood prediction has significance in preserving lives, minimizing economic damage, and reducing public…
Robotic inspection device Open
Robotic devices that can be utilized on pipes of any material and of a variety of pipe diameters are provided. The robotic device utilizes a ducted fan to create the normal forces needed to adhere to any part of a pipe. The chassis of the …
Applying Physics-Informed Neural Networks to Solve Navier–Stokes Equations for Laminar Flow around a Particle Open
In recent years, Physics-Informed Neural Networks (PINNs) have drawn great interest among researchers as a tool to solve computational physics problems. Unlike conventional neural networks, which are black-box models that “blindly” establi…
Assessment and Non-Destructive Evaluation of the Influence of Residual Solvent on a Two-Part Epoxy-Based Adhesive Using Ultrasonics Open
Polymers are increasingly being used in higher demanding applications due to their ability to tailor the properties of structures while allowing for a weight and cost reduction. Solvents play an important role in the manufacture of polymer…
Project Title: Development of a Pipe Crawler Inspection Tool for Fossil Energy Power Plants (Final Report) Open
This research effort focuses on the development of a pipe crawler inspection tool for fossil energy power plants. The pipe crawler is tethered and can navigate through 2 inch pipes that are often found in various systems within a power pla…
Development of a Pipe Crawler Inspection Tool for Fossil Energy Power Plants Open
This document presents the final report of the research activity completed during the four years of the project and includes the major challenges and accomplishments. The report presents specific details of the engineering processes and me…
Multifunctional MEN-Doped Adhesives: Strengthening, Bond Quality Evaluation, and Variations in Magnetic Signal with Environmental Exposure Open
Adhesive bonding of polymer matrix composites offers various advantages over traditional fasteners, such as a uniform stress state, reduced weight, and delay of composite delamination. However, adhesive bonding has limited implementation d…
Development of a Pipe Crawler Inspection Tool for Fossil Energy Power Plants Open
Fossil fuel power plants are complex systems containing multiple components that create extreme environments for the purpose of extracting usable energy. Failures in the system can lead to increased down time for the plant, reduction of po…
Development of an Innovative Inspection Tool for Superheater Tubes in Fossil Fuel Power Plants Open
Fossil fuel power plants are complex systems containing multiple components that require periodic health monitoring. Failures in these systems can lead to increased downtime for the plant, reduction of power, and significant cost for repai…
Non-Contact Quantification of Longitudinal and Circumferential Defects in Pipes using the Surface Response to Excitation (SuRE) Method Open
Rapid screening and monitoring of hollow cylindrical structures using active guided-waves based structural health monitoring (SHM) techniques are important in chemical, petro-chemical, oil and gas industries. Successful implementation of t…
Composites Bond Inspection Using Heterodyne Effect and SuRE Methods Open
With increasing utilization of the composite materials in commercial and military applications, the longevity of composite bonds has become a crucial concern of the aerospace industry. In spite of the previous studies in the literature for…
Development of a Reduced-Order Model for Reacting Gas-Solids Flow using Proper Orthogonal Decomposition Open
This report summarizes the objectives, tasks and accomplishments made during the three year duration of this research project. The report presents the results obtained by applying advanced computational techniques to develop reduced-order …