Browsing Mechanical and Mechatronics Engineering by Supervisor "Cronin, Duane"
Now showing items 1-20 of 21
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ACL Strain During Single-Leg Jump Landing: An Experimental and Computational Investigation
(University of Waterloo, 2019-01-11)The anterior cruciate ligament (ACL) is a commonly-injured ligament in the human knee joint. ACL injury repair is a costly procedure; however, left unrepaired, ACL injuries can lead to complications later in life. In ... -
Application of a Rate Dependent Cohesive Zone Model to Predict Impact Response in Adhesively Bonded Ultra-High Strength Steel Tubes
(University of Waterloo, 2019-08-15)The design of multi-material lightweight vehicle (MMLV) structures incorporating structural adhesive joining requires advanced CAE supported by material characterization and computational model validation at the component ... -
Assessment of Occupant Response in Frontal Bus Crash Scenarios using Human Body Models to Improve Public Transportation Safety
(University of Waterloo, 2022-09-26)There has been limited investigation regarding occupant safety in transit bus crash scenarios. Experimental testing and numerical modelling can provide the insight required to reduce injury risk to transit bus passengers. ... -
Characterizing and Modeling the Effects of Mode Mixity and Bond Line Thickness on the Traction-Separation Response of Structural Adhesive Joints
(University of Waterloo, 2021-04-28)As adhesive bonding continues to become more prevalent in automotive structures, the need for high fidelity characterization and modelling of adhesive joints has gained in importance. In this thesis, new specimen geometry ... -
Computational Modeling of Hard Tissue Response and Fracture in the Lower Cervical Spine under Compression Including Age Effects
(University of Waterloo, 2018-06-21)Almost half of motor vehicle accident (MVAs) victims experience traumatic spinal cord injuries (SCI), which are often associated with rollover accidents. Specifically, rollovers have the highest incidence rate of AIS2+ ... -
Computational Modeling of the Cervical Spinal Cord: Integration into a Human Body Model to Investigate Response to Impact
(University of Waterloo, 2022-08-19)Acute spinal cord injuries (SCI) have a global annual occurrence rate of 14 to 40 per million population with considerable societal cost. The primary mechanism of injury involves physical damage to the nervous tissues, ... -
Contributions of Muscle, Skin, and Adipose Tissue to Indentation Response, Assessed with Computational Arm Model Under Quasi Static Conditions
(University of Waterloo, 2019-09-20)Computational Human Body Models (HBMs) enable the assessment of human response in potentially injurious impact scenarios; however, to do so HBMs require biofidelic material representations to predict the potential for ... -
Design and Testing of a Novel Fusion Construct for Atlantoaxial Instability
(University of Waterloo, 2017-08-29)The atlantoaxial joint of the upper cervical spine is unique in its anatomy due to the absence of an intervertebral disc. Instead, the atlantoaxial joint is comprised of the odontoid process and associated ligaments that ... -
Development and Assessment of a Soda Lime Glass Model for Ballistic Impact
(University of Waterloo, 2019-09-20)Transparent armour (more commonly known as bullet-resistant glass) is used in armoured land vehicles to provide increased visibility while maintaining adequate levels of protection for the occupants. Soda-lime glass is ... -
Development of Elderly Posture Male and Female Finite Element Neck Models and Assessment of Tissue-Level Response Under Impact Loading
(University of Waterloo, 2021-01-13)The growing elderly population and their increased incidence of injury calls for strategies to protect this at-risk population. The effects of ageing include a change in posture, biological material properties, and bone ... -
Effect of Surface Treatment on Joint Performance and Fracture Morphology in Adhesively Bonded Al-Si Coated Ultra-High Strength Steel
(University of Waterloo, 2020-06-04)The Corporate average fuel economy (CAFE) standard set by the National Highway Traffic Safety Administration (NHTSA) has prompted automotive manufacturers to produce increasingly fuel efficient vehicles. Lightweighting of ... -
Epoxy Adhesives, Correlation between Strain Whitening and Damage Using a Macroscopic Optical Method
(University of Waterloo, 2019-03-12)The success of lightweight automotive multi-material assemblies depends on selecting appropriate joining techniques that can provide the expected day-to-day operational strength while delivering occupant protection during ... -
Evaluating Cervical Spine Response and Potential for Injury During Head-First Impact Loading Using a Finite Element Head-Neck Model
(University of Waterloo, 2022-02-04)Head-first impact (HFI) is caused by events such as rollover motor-vehicle accidents, falls, and sports, and can impose serious and detrimental hard and soft tissue injuries on the cervical spine. HFI is a loading condition ... -
Experimental and Numerical Assessment of Adhesively Bonded Non-Crimp Fabric Carbon Fiber/Epoxy Composite Joints
(University of Waterloo, 2021-05-03)To achieve a reduction in the contribution of greenhouse gas emissions from the transportation sector, automotive manufacturers have shifted towards utilization of advanced lightweight materials for vehicle structures, ... -
Experimental Assessment and Computational Modeling of Adhesive, Self Piercing Rivets (SPR), and Hybrid (Adhesive-SPR) Joints: Enhancing Joint Performance for Aluminum Sheet Material
(University of Waterloo, 2023-08-09)The implementation of aluminum alloys in future vehicle construction (e.g., body-in-white) can reduce weight by 30-45%, improving the fuel economy of internal combustion vehicles and increasing the battery range of electric ... -
Investigation of Blast–related Fluid Cavitation using a Novel Polymeric Hopkinson Bar–Confinement Chamber Apparatus
(University of Waterloo, 2017-08-24)Mild Traumatic Brain Injury (mTBI) associated with blast exposure has become an increasing issue in military conflicts, with the most common exposure being improvised explosive devices. Exposure to blast accounted for ... -
Investigation of Head and Brain Response in Football Helmet Impacts using a Finite Element Model of the Head and Neck with Active Muscle
(University of Waterloo, 2019-06-20)Among high school and college athletes, ∼50% of American football players report a concussion each year, and at least 30% of players sustain more than one concussion per year, which may be reduced in part through improvements ... -
Investigation of Thorax Response and Potential for Injury in Side Impacts Using Integrated Detailed Human and Vehicle Finite-Element Models
(University of Waterloo, 2018-08-14)Car accidents are amongst the most common causes of fatalities for a younger population in developed countries and world-wide. While research using Anthropometric Test Devices (ATDs) has led to improvements in frontal ... -
Mechanical Characterization and Computational Modeling of Snap-cure Epoxy
(University of Waterloo, 2020-09-16)Owing to their high specific mechanical properties and excellent energy absorption characteristics, high-performance carbon fiber-reinforced plastic (CFRP) composite materials are regarded as viable candidates for improving ... -
Mesoscale modeling and direct simulation of explosively dispersed granular materials
(University of Waterloo, 2019-01-09)Explosively dispersed granular materials frequently exhibit macroscale coherent particle clustering and jetting structures. The underlying mechanism is of significant interest to study instability and mixing in high-speed ...