Department of Mechanical and Materials Engineering Graduate Theses
Recent Submissions
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Numerical Study of Detonation Propagation in a Nonuniform Hydrogen-Oxygen Layer Bounded by an Inert Gas
This numerical study investigates the propagation failure and limits of a detonation through stoichiometric hydrogen-oxygen layer stratified above an inert gas with a diffuse interface at atmospheric pressure. The study ... -
Data-Driven Bottleneck Identification for Serial Production Lines
Bottleneck identification is an important challenge for manufacturing firms to address in pursuit of increased manufacturing capacity. Prominent efforts used simulation-based approaches but are seldom extended to industry ... -
On The Yield and Fracture of Cast A205
A205 is an Al-Cu-Ag-Ti-Mg-TiB2 age-hardenable alloy developed to improve castability in long freezing range alloys and results in a unique two-region microstructure consisting of TiB2 rich intergranular regions (IGRs) and ... -
Design and Validation of an Open-Source 3D Printable Bioreactor System for Ex Vivo Bone Culture
In Canada, osteoporosis is a prevailing skeletal disease that is underdiagnosed and undertreated, with an annual economic cost of $4.6 billion. Trabecular bone is widely understood to undergo modelling and remodelling in ... -
Computational Modal Analysis of a Hydraulic Pump Support Structure for a Business Aircraft
Computational modal analysis performed using finite element analysis is a well-established method for estimating the modal parameters of complex structures. The work presented here aims to provide an insight into the ... -
Edge Computing and Machine Learning in Machinery Condition Monitoring
Reactive maintenance in industry is associated with high downtime costs and the risk of catastrophic failure; predictive maintenance has the potential to mitigate these costs and risks. Currently, to analyze tool wear in ... -
Concurrent Topology and Stacking Sequence Optimization of Laminated Plates
In the recent years there has been an increase on the development and application of additive manufacturing techniques permitting engineers to take advantage of non-traditional mechanical components designs. Among some ... -
On the Structural Evolution of a Magnesium-Carbon Composite for Hydrogen Storage on Extended Cycling
Magnesium is an attractive material for solid-state hydrogen storage (SSHS) applications owing to its reversible hydride formation, high theoretical gravimetric hydrogen capacity, natural abundance, and low cost. A significant ... -
Standing Balance of Legged Robots: Leveraging Reduced Order Models to Improve Balancing Performance
Legged robots have the potential to traverse remote or dangerous areas by utilizing intermittent ground contact to navigate through complex terrain. Despite their promise, legged robots, specifically bipeds, are inherently ... -
Packing Optimization of Practical Systems Using a Dynamic Acceleration Methodology
System design is a challenging task. Complex, interacting sub-systems and numerous component-level effects must all be considered during the system design process, often handled by various multidisciplinary design teams. ... -
Towards Modularity and Reconfigurability for Robotic Off-Highway Equipment: A Proof-of-Concept Prototype
Heavy industries, such as the construction, forestry, and mining industries, rely on off-highway mobile equipment to conduct various tasks. Since their advent in the 20th century, these mobile machines have continuously ... -
Atomistic Simulation of Radiation-induced Defects in Ni-based Systems
Nickel (Ni)-based alloys show outstanding mechanical and physical properties at high temperatures and in corrosive environments. Therefore, Ni with measured additions of appropriate alloying elements would be a good ... -
Predicting the Influence of Hydrogen on Zirconium
The corrosion process that ensues when the alloys of zirconium used as structural components and fuel claddings in nuclear reactors react with the heavy water used as coolant in the CANDU® reactors results in the production ... -
Quantification of Reynolds-averaged-Navier-Stokes Model Structural Hypothesis Uncertainty in Transitional Boundary Layer and Airfoil Flows
The Boussinesq turbulent-viscosity hypothesis is intrinsic to many Reynolds-averaged-Navier-Stokes (RANS)-based turbulence models and transition models. Although its drawback has been well acknowledged, the uncertainty it ... -
Design Optimization of Aircraft Landing System Rolling Stock and Bogie
With the rapid development in the aircraft designs of the aerospace industry, the traditional select and pick design routine needs to be developed and improved and a new design methodology with fewer iterations must be ... -
Modelling of a Heat Recovery Ventilator Incorporating Thermoelectric Modules
Heat recovery ventilation (HRV) involves the recovery of heat from exhaust air exiting the home. HRV works to both save energy and provide indoor air quality and comfort [1]. Focus has also been placed on alternatives to ... -
The Effect of Lead on Dealloying and Stress Corrosion Cracking (SCC) of Ni-Cr-Fe Alloys in Boiling Caustic Environments
304L stainless steel (SS) samples were exposed to a highly caustic 50 wt.% NaOH environment at or near the boiling temperature (135-140 °C) in reducing conditions to study dealloying. Flat samples were used for electrochemical ... -
Energized mass and its application to airborne seeds and sensors
Large-scale flow-tracking measurements require sizeable flow tracers for optical visibility, or the carrying of a sensor payload. As a result of the increased size and mass, the tracers experience an inertial lag, impacting ... -
Comprehensive study on the mechanical properties of δ-zirconium hydride grown in a Zr2.5%Nb matrix
Zirconium alloys are used in the nuclear industry because of low neutron capture cross-section, appropriate mechanical properties, and corrosion resistance. In-reactor, the zirconium components undergo hydrogen pick-up, ... -
Self-Supervised Near-to-Far Learning for Terrain-Adaptive Off-Road Autonomous Driving
Autonomous vehicles are an increasingly important tool for exploring unknown off-road environments where navigation decisions must include considerations of terrain traversability, unlike in urban environments that have ...
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