Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 867-886 of 1494
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Laser Powder Bed Fusion of AlSi10Mg for Fabrication of Fluid Power Components
(University of Waterloo, 2020-01-06)Laser powder bed fusion (LPBF) is an additive manufacturing (AM) process that produces 3D objects in a layer-by-layer fashion by using a laser to selectively melt powdered material. Some of the advantages of LPBF include ... -
Laser Processing and Modelling of Multiple Memory Shape Memory Alloys
(University of Waterloo, 2018-04-18)Laser processing of NiTi shape memory alloys (SMA) has been identified as having great potential in surface treatment, welding, and novel performance requirement applications. However, no models have been developed to ... -
Laser Processing, Thermomechanical Processing, and Thermomechanical Fatigue of NiTi Shape Memory Alloys
(University of Waterloo, 2016-04-28)NiTi shape memory alloys (SMAs) have revolutionized engineering design across all industries, with major contributions in the medical, aerospace, and automotive industries. These fascinating materials possess the shape ... -
Laser Welding of Complex Phase and Dual Phase Advanced High Strength Steels - The Effects that Welding has on Microstructure and Formability
(University of Waterloo, 2020-05-19)To assist in the successful applications of tailor-welded assemblies made from advanced high strength steel (AHSS), there needs to be a thorough understanding of how laser welding process parameters influences the weld ... -
Laser Welding of Medium-Manganese Steel
(University of Waterloo, 2016-08-31)Medium-Manganese (MMn) third generation advanced high strength steel (AHSS) was joined using laser welding. The effects of rapid heating and cooling thermal cycles imposed by laser welding on MMn steel was investigated. ... -
Laser Welding of Porcine Skeletal Muscle Tissue Using Near Infra-red Irradiation with Gold Nanorod Biosolders
(University of Waterloo, 2024-04-29)Laser tissue welding is an efficient and quick technique used to join tissues for wound repair in the event of injury or surgery. Compared to traditional joining methods such as suturing, optimized laser tissue welding ... -
Laser-based aerosolized nanoparticle diagnostics: Enhancing the spectroscopic model
(University of Waterloo, 2020-05-15)The distinct properties of nanoparticles compared to their bulk counterparts makes them a suitable candidate for the development of many emerging technologies, and this presents a demand for scalable production routes. ... -
The Later Stages of Transition over a NACA0018 Airfoil at a Low Reynolds Number
(University of Waterloo, 2014-02-18)The later stages of separated shear layer transition within separation bubbles developing over a NACA0018 airfoil operating at a chord Reynolds number of 105 and at angles of attack of 0, 5, 8, and 10 degrees were investigated ... -
Lattice Boltzmann Method for Simulating Turbulent Flows
(University of Waterloo, 2013-08-06)The lattice Boltzmann method (LBM) is a relatively new method for fluid flow simulations, and is recently gaining popularity due to its simple algorithm and parallel scalability. Although the method has been successfully ... -
Least-Squares Based Adaptive Source Localization with Biomedical Applications
(University of Waterloo, 2013-04-22)In this thesis, we study certain aspects of signal source/target localization by sensory agents and their biomedical applications. We first focus on a generic distance measurement based problem: Estimation of the location ... -
LES and FW-H Prediction of Aeroacoustic Noise for a SD 7037 Airfoil for Wind Turbine Applications
(American Institute of Aeronautics and Astronautics, Inc., 2019-05-18)The aeroacoustic noise generated by wind turbines poses issues with the implementation of this renewable energy technology. The use of a fully analytical model for predicting airfoil noise could serve as a crucial tool in ... -
Leveraging Atmospheric-Pressure Spatial Atomic Layer Deposition and Machine Learning for Nanomaterial and Device Design
(University of Waterloo, 2023-07-27)The deposition and design of nanometre-scale oxide films is an integral component of the ongoing nanomaterial revolution, from cell phones, to batteries, to photovoltaics. Atmospheric-pressure spatial atomic layer deposition ... -
LIDAR Odometry with Joint Geometric and Appearance Landmarks
(University of Waterloo, 2019-04-08)Odometry is the problem of estimating the motion of a moving platform relative to its environment without measurements to a fixed reference point. This is a critical problem for mobile robotics applications where ... -
Liquid metal embrittlement cracking in dissimilar resistance spot welding of 3rd Gen – Advanced high strength steel: mitigation methods and associated mechanisms
(University of Waterloo, 2022-12-19)In response to the automotive industries demands for safer, lighter, and more environmentally friendly vehicles, the third generation of advanced high-strength steels (3G-AHSS) has been developed to have both high strength ... -
Liquid metal embrittlement in laser lap joining of TWIP and medium-manganese TRIP steel: The role of stress and grain boundaries
(Elsevier, 2018-11-01)High-Manganese austenite-containing steels with superior combination of strength and ductility have shown potential for enhancement of passenger safety and body-in-white (BIW) weight reduction. Even though Zn-coated ... -
Liquid Metal Embrittlement in Resistance Spot Welding: The Thermomechanical Origin and Embrittler Transport Mechanism
(University of Waterloo, 2021-08-05)To increase fuel economy, demand for lighter vehicles by way of thinner parts has risen in recent years. As parts become thinner the vehicle safety cannot be comprised, leading to the development of advanced high strength ... -
Load path sensitivity and fatigue life estimation of 30CrNiMo8HH
(Elsevier, 2012-04-01)A set of strain-controlled biaxial proportional and non-proportional tests were conducted on solid and tubular specimens of 30CrNiMo8HH steel. The effect of the phase angle on fatigue life was studied. This effect becomes ... -
Localized-Based Control Algorithm For Passenger Ride Comfort
(University of Waterloo, 2014-09-15)In this thesis, a new localized-based suspension control strategy is developed, simulated and validated with experimental results. Basic concepts of mathematical vehicle models, suspension systems, and conventional control ... -
Locally-Adaptive Tabulation of Low-Dimensional Manifolds using Bezier Patch Reconstruction
(2017-05-17)An efficient tabulation strategy for turbulent combustion simulations is proposed. Using a locally adaptive arrangement of structured Bezier patches–often used in computer graphics–the combustion manifold can be efficiently ... -
Longitudinal vehicle state estimation using nonlinear and parameter-varying observers
(Elsevier, 2017-05)A corner-based velocity estimation approach is proposed which is used for vehicle’s traction and stability control systems. This approach incorporates internal tire states within the vehicle kinematics and enables the ...