Browsing Engineering (Faculty of) by Title
Now showing items 4832-4851 of 7223
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Numerical Evaluation of Classification Techniques for Flaw Detection
(University of Waterloo, 2007-09-24)Nondestructive testing is used extensively throughout the industry for quality assessment and detection of defects in engineering materials. The range and variety of anomalies is enormous and critical assessment of their ... -
Numerical Failure Pressure Prediction of Crack-in-Corrosion Defects in Natural Gas Transmission Pipelines
(University of Waterloo, 2010-08-25)The aim of this study was to use the finite element method to model crack, corrosion, and Crack-in-Corrosion defects in a pipeline. The pipe material under investigation for this study was API 5L X60, 508 mm diameter with ... -
A Numerical Interpretation Model for the Dipole Flow and Reactive Tracer Test
(University of Waterloo, 2007-01-12)In order to protect public health and the natural environment, regulatory agencies such as the U.S. Environmental Protection Agency (USEPA) and the Ontario Ministry of the Environment (MOE) have developed a variety of ... -
A Numerical Investigation of Heat Transfer Coefficients for Indoor Window Insect Screens
(University of Waterloo, 2012-01-23)Due to rising energy prices as well as supply and ecological concerns, there is a strong interest in reducing the energy used in buildings. As such, it is desirable to model the operation of a building and predict its ... -
Numerical Investigation of Multi-compartment Fire Scenarios using Large Eddy Simulation (LES)
(University of Waterloo, 2016-08-16)The selected fire scenario corresponds to the Propagation d’un Incendie pour des Scenarios Multi-locaux Elementaires (PRISME) Integral Test 4, which is a multi-room configuration with a single pool fire burning Hydrogenated ... -
Numerical Investigation of the Effects of Shrinkage and Thermal Loading on the Behaviour of Misaligned Dowels in Jointed Concrete Pavement
(University of Waterloo, 2010-02-18)Dowel bars in jointed plain concrete pavement (JPCP) have the important function of transferring wheel loads from one slab to the other, hence ensuring that the deflections on each side of the joint are kept almost equal. ... -
Numerical Investigation on Turbulent Non-premixed Methanol Flames Using Conditional Source-term Estimation
(University of Waterloo, 2015-12-18)Conditional Source-term Estimation (CSE) is a turbulent combustion model that uses conditional averages to close the chemical source term. Previous CSE studies have shown that the model is able to predict the flame ... -
Numerical modeling and experimental investigation of a prismatic battery subjected to water cooling
(Taylor and Francis, 2017-03-19)In this paper, a numerical model using ANSYS Fluent for a minichannel cold plate is developed for water-cooled LiFePO4 battery. The temperature and velocity distributions are investigated using experimental and computational ... -
Numerical Modeling for the Prediction of Primary Blast Injury to the Lung
(University of Waterloo, 2007-01-12)As explosive blasts continue to cause casualties in both civil and military environments, there is a need for increased understanding of the mechanisms of blast trauma at the organ level and a need for a more detailed ... -
Numerical Modeling of Drug Delivery to Solid Tumor Microvasculature
(University of Waterloo, 2013-01-25)Modeling interstitial fluid flow involves processes such as fluid diffusion, convective transport in the extracellular matrix, and extravasation from blood vessels. In all of these processes, computational fluid dynamics ... -
Numerical Modeling of Failure in Magnesium Alloys under Axial Compression and Bending for Crashworthiness Applications
(University of Waterloo, 2012-01-23)Numerical modeling of failure was performed for magnesium alloys with circular and square cross-sections under axial compression. The failure criterion was employed using material model 124, where failure was simulated ... -
Numerical Modeling of Flexible ZnO Thin-Film Transistors Using COMSOL Multiphysics
(University of Waterloo, 2013-07-26)Increasing attention has been directed towards the development of optically transparent and mechanically flexible thin film transistors (TFTs) and associated circuits based on the transition metal oxides. These flexible ... -
Numerical Modeling of Methane Decomposition for Hydrogen Production in a Fluidized Bed Reactor
(University of Waterloo, 2014-08-21)The decomposition of methane for hydrogen production is an attractive alternative to the established method of reforming. This process considerably reduces the emission of greenhouse gases, and its overall efficiency and ... -
Numerical Modeling of Multiphase Flows with Applications to the Automotive Industry
(University of Waterloo, 2015-06-24)Multiphase flows have become an issue of deep concern in the automotive industry. Two specific problems of concern to the ABC Group and Ford Motor Company have shown that the current multiphase models available in commercial ... -
Numerical Modeling of Nonlinear Problems in Hydraulic Fracturing: Fracture Propagation, Proppant Transport, and Shear Dilation
(University of Waterloo, 2020-05-05)Hydraulic fracturing is a stimulation technique in which fluid is injected at high pressure into low-permeability reservoirs to create a fracture network for enhanced production of oil and gas. It is the primary purpose ... -
Numerical Modeling of Permafrost in Heterogeneous Media
(University of Waterloo, 2020-03-05)Interest in numerical modeling of permafrost has increased over the past decade due to accelerating rates of permafrost thaw. Discontinuous permafrost regions are particularly susceptible to climate change since small ... -
Numerical Modeling of Whiplash Injury
(University of Waterloo, 2010-11-24)Soft tissue cervical spine (neck) injuries, known as ‘whiplash’, are a leading cause of injury in motor vehicle collisions. A detailed finite element (FE) model of the cervical spine that is able to predict local tissue ... -
Numerical Modelling of Reinforced Concrete Walls Encased in Polyvinyl Chloride Stay-In-Place Formwork
(University of Waterloo, 2015-09-25)In structurally participating formworks, a new forming technique for reinforced concrete, referred to as stay-in-place formwork has recently emerged as a viable technique. This permanent new formwork system simplifies the ... -
Numerical Modelling of the Effects of High Strain Rate, Strain Path and Particles on the Formability of FCC Polycrystals
(University of Waterloo, 2010-01-11)A new crystal plasticity scheme for explicit time integration codes is developed based on a forward Euler algorithm in the first part of this paper. The new numerical model is incorporated in the UMAT subroutine for ... -
Numerical Modelling of the Human Cervical Spine in Frontal Impact
(University of Waterloo, 2006)Motor vehicle accidents continue to be a leading cause of cervical spine injury despite a conscientious effort to improve occupant safety. Accurately predicting occupant head and neck response in numerical crash simulations ...