School of Mechanical Engineering Theses and Dissertations
Original work in partial fulfillment of a graduate degree in the School of Mechanical Engineering.
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Recent Submissions
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Reinforced syntactic foam SMC composites for automotive lightweighting
(Georgia Institute of Technology, 2020-04-28)The fuel efficiency of vehicles can be increased by the lightweighting of autobody parts. To achieve this goal, this study focused on developing “syntactic foams”. Hollow glass spheres (HGS) were incorporated into unsaturated ... -
Using machine learning for anomalous toolpath identification in subtractive manufacturing
(Georgia Institute of Technology, 2020-04-28)The emphasis and application of machine learning with respect to manufacturing and machining has focused primarily on tool wear or bearing health. Few studies have focused on the parts produced by these processes and how ... -
Robustness of AirNET to training library for sparse-view CT
(Georgia Institute of Technology, 2020-04-28)The advances of artificial intelligence and deep learning applied to medical physics are giving rise to numerous applications, ranging from improvements in clinical workflow to the usage of computer-aided diagnosis in ... -
An ensemble machine vision system for automated detection of surface defects in aircraft propeller blades
(Georgia Institute of Technology, 2020-04-28)Visual inspections comprise the majority of inspections for large transport aircraft. The traditional inspection process is time-consuming, inconsistent, and subject to human errors. Automated defect detection systems have ... -
Characterization of a hybrid electric mobility as a service vehicle
(Georgia Institute of Technology, 2020-05-05)This thesis focuses on work done during the first two years of the EcoCAR Mobility Challenge Competition. Georgia Tech is one of 12 schools participating with the goal of building a hybrid electric mobility-as-a-service ... -
Teleoperated motion scaling robotic manipulator with force feedback
(Georgia Institute of Technology, 2020-04-21)This study introduces a Teleoperated Motion Scaling Robotic Arm (TMSRA) platform that allows the human operator to control the motion-mapping rate between the master (haptic console) and slave (robotic excavator) devices, ... -
Effect of build orientation of anisotropic behavior in direct energy deposition built components
(Georgia Institute of Technology, 2020-04-28)Hybrid manufacturing integrates complementary subtractive and additive manufacturing processes into a single machine tool. Seamless integration of conventional subtractive machining and direct energy deposition (DED) allows ... -
An adaptive meshfree solver for incompressible flows
(Georgia Institute of Technology, 2020-04-21)Meshfree methods are particularly suitable for problems involving moving interfaces and adaptive refinement as potentially expensive re-meshing is avoided. Despite this advantage, in the context of incompressible flow, ... -
Analysis of stability, waveform invariance, and non-reciprocity in nonlinear periodic structures
(Georgia Institute of Technology, 2020-04-13)Wave propagation in periodic structures and metamaterials has attracted the interest of the engineering community due to the presence of bandgaps, or forbidden frequency ranges of propagation, which have inspired devices ... -
Novel social impact assessment framework
(Georgia Institute of Technology, 2020-04-09)Sustainability assessments provide methodologies to assess the environmental, economic and social impacts of products along their complete lifecycle. Relative to environmental and economic impact assessments, the social ... -
Design and test of a bat robot
(Georgia Institute of Technology, 2020-04-17)This thesis presents a new structure to improve the performance of a biologically inspired bat robot called Bat Bot (B2). In the previous work, a bat robot with five degrees of actuation was designed. This structure ... -
Analytical mechanics modeling of residual stress in metal additive manufacturing
(Georgia Institute of Technology, 2020-03-30)In the past several years, metal additive manufacturing (AM) has become a revolutionary technology to build three-dimensional complex parts via metallic powders in a layer by layer fashion. Parts built via AM have several ... -
Biomechanics of black soldier fly larvae
(Georgia Institute of Technology, 2020-03-25)The black soldier fly is a non-pest insect that is raised by startup companies. The larvae of the black soldier fly are used as a sustainable animal feed. While much is known about the biology of these larvae, little is ... -
Modeling and application of polymeric microgels
(Georgia Institute of Technology, 2020-04-02)This work develops a mesoscale hydrogel model that is based on dissipative particle dynamics (DPD). The model is used to study the mechanics and kinetics of different microgel systems. Firstly, we examine how the swelling ... -
Analytical modeling of condensation in microchannels with experimental validation
(Georgia Institute of Technology, 2020-04-07)The condenser is a critical component in many energy intensive systems, such as HVAC, power plants, automobiles, and gas liquefaction plants. Microchannel geometries offer the potential for more efficient and compact ... -
Effects of spatial energy distribution-induced porosity on mechanical properties of laser powder bed fusion 316L stainless steel
(Georgia Institute of Technology, 2020-03-20)Laser powder bed fusion (LPBF) additive manufacturing (AM) offers a variety of advantages over traditional manufacturing, but the usefulness of AM for manufacturing of high-performance components is currently hampered by ... -
Investigation of (photo) electrocatalytic conversion of dinitrogen to ammonia using hybrid plasmonic nanostructures
(Georgia Institute of Technology, 2020-03-16)Meeting our future global energy needs in an environmentally responsible way is one of the most significant challenges in the twenty-first century. Currently, fossil fuels such as oil, gas, and coal satisfy more than 80% ... -
Short horizon learning-based speed prediction for electric vehicles
(Georgia Institute of Technology, 2020-03-04)The automotive industry is moving more to the development of electric vehicles to meet environmental and emissions restrictions. As a result, much work is be- ing done to optimize the efficiency of these vehicles through ... -
Exploiting singular configurations for controllable, low-power, friction enhancement on unmanned ground vehicles
(Georgia Institute of Technology, 2020-03-16)This paper describes the design, validation, and performance of a new type of adaptive wheel morphology for unmanned ground vehicles. Our adaptive wheel morphology uses a spiral cam to create a system that enables ... -
Traffic light learning and prediction
(Georgia Institute of Technology, 2020-03-06)This thesis discusses the implementation of a traffic light learning & prediction model. The increase in V2X communications to predict traffic light behavior live, efforts to improve fuel economy, and desires to cut ...
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