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Dissertations / Theses on the topic 'Applied Mechanics in Nanoscale'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Cohen, A. E. "Nanoscale mechanics." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.597814.

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The mechanical properties of very small systems are often strikingly different from the properties of everyday objects. As one considers ever-smaller objects, thermal fluctuations, and then quantum fluctuations start to be important. In this thesis I explain some unusual nanoscale mechanical effects, and predict some new effects. The bulk of the thesis is devoted to calculating the forces between bodies that are closely spaced, but not touching. These van der Waals forces have been studied in detail for bodies in thermal equilibrium. Most of the world is not in thermal equilibrium, and van der

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2

Inamdar, Sheetal Rajendra. "Nanoscale mechanics of collagen in articular cartilage." Thesis, Queen Mary, University of London, 2018. http://qmro.qmul.ac.uk/xmlui/handle/123456789/36223.

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Articular cartilage is a mechanically important soft tissue whose organisation at the micro- and nanoscale is critical for healthy joint function and where degeneration is associated with widespread disorders such as osteoarthritis. The tissue possesses a complex, graded and depth-dependent structure and at the nanoscale, cartilage mechanical functionality is dependent on the collagen and hydrated proteoglycans that form the extracellular matrix. The structure and in situ dynamic response of the collagen fibrils at the nanoscale, however, remain unclear. Here we utilise small angle X-ray diffr

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3

Alves, Marcilio. "Damage mechanics applied to structural impact." Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484220.

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4

Norris, J. E. "Root mechanics applied to slope stability." Thesis, Nottingham Trent University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505575.

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5

Macpherson, Graham Bruce. "Molecular dynamics simulation in arbitrary geometries for nanoscale fluid mechanics." Thesis, University of Strathclyde, 2008. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=23483.

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Simulations of nanoscale systems where fluid mechanics plays an important role are required to help design and understand nano-devices and biological systems. A simulation method which hybridises molecular dynamics (MD) and continuum computational fluid dynamics (CFD) is demonstrated to be able to accurately represent the relevant physical phenomena and be computationally tractable. An MD code has been written to perform MD simulations in systems where the geometry is described by a mesh of unstructured arbitrary polyhedral cells that have been spatially decomposed into irregular portions for

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6

Fu, Kaibin. "Applications of a new theory extending continuum mechanics to the nanoscale." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2708.

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In this dissertation, we present the Slattery-Oh-Fu theory extending continuum mechanics to the nanoscale and its applications. We begin with an analysis of supercritical adsorption of argon, krypton, and methane on Graphon before we fully develop the theory. We compare our results both with existing experimental data and with prior molecular-based theories. Then, we present the general theory, which is based upon a long history of important developments beginning with Hamaker (1937). In the context of continuum mechanics, nanoscale problems always involve the immediate neighborhood of a phase

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7

Oliveira, João Pedro Abreu de. "Parametric analog signal amplification applied to nanoscale cmos wireless digital transceivers." Master's thesis, Faculdade de Ciências e Tecnologia, 2010. http://hdl.handle.net/10362/5439.

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Thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the subject of Electrical and Computer Engineering by the Universidade Nova de Lisboa,Faculdade de Ciências e Tecnologia<br>Signal amplification is required in almost every analog electronic system. However noise is also present, thus imposing limits to the overall circuit performance, e.g., on the sensitivity of the radio transceiver. This drawback has triggered a major research on the field, which has been producing several solutions to achieve amplification with minimum added noise. Dur

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8

Sticko, Simon. "Smooth Particle Hydrodynamics Applied to Fracture Mechanics." Thesis, Uppsala universitet, Tillämpad mekanik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-202881.

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A numerical method commonly referred to as smooth particle hydrodynamics (SPH) is implemented in two dimensions for solid mechanics in general and fracture mechanics in particular. The implementation is tested against a few analytical cases: a vibrating plate, a bending plate, a modus I crack and a modus II crack. A conclusion of these tests is that a better way of treating a shortcoming of SPH called tensile instability is needed. A study is made on the best choice of a vital parameter called the smoothing radius, and it is found that a good choice of the smoothing radius is roughly 1.5 times

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9

Pervier, Marie-Laure. "Mechanics of ice detachment applied to turbomachinery." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/11572.

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Flying in icing conditions is a real hazard for aircraft as they can undergo potential disastrous increase in drag, reduction in maximum lift which lead to an increase in fuel consumption. Additionally pitot tubes and other sensors can become blocked or their operation compromised. Ice shed from other parts of the aircraft can enter the engine and lead to blade damage. Whilst ice protection systems are comonly used on propellers, the potential benefit of applying them to a fan have not, as yet, been considered suffi cient to o set the cost and energy penalties of such system. As engines become

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10

Herring, James. "Small scale mechanics applied to nuclear materials." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:a959c3df-2a12-4e4a-952e-9094cf5ebe72.

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Ion implantation is increasingly used as a cost effective and safe alternative to neutron irradiation in the study of materials for future nuclear applications. However, the micron-sized layers of radiation damage necessitate the use of small scale testing techniques to obtain mechanical properties data from these materials. This thesis explores such techniques, highlighting the relative merits and limitations of nanoindentation, and the deflection of FIB-machined specimens, in a variety of applications. As a simple starting point, the effect of crystal orientation on nanoindentation hardness

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11

Omnès, Florian. "Geometry optimization applied to incompressible fluid mechanics." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS278.

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Cette thèse de mathématiques appliquées est consacrée à la modélisation et à l'exploration de techniques numériques d'optimisation de la forme d'objets au contact de fluides. Le premier chapitre est consacré à un algorithme d'optimisation géométrique mis en œuvre dans le logiciel optiflow, dans le cas où le bord à optimiser est associé à des conditions de non-glissement. L'implémentation est mise en ligne et accompagnée d'une notice d'utilisation. Il est ainsi possible de l'utiliser pour des applications de la vie réelle, par exemple pour l'optimisation de la géométrie d'un pipeline, de condui

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12

ADAMO, PAOLO ALBERTO. "Applied Models in Non-Equilibrium Statistical Mechanics." Doctoral thesis, Politecnico di Torino, 2013. http://hdl.handle.net/11583/2506468.

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The research concerns the study of applied models in non-equilibrium statistical mechanics. The emerging of irreversible behaviour from time-reversible microscopic dynamics depicted by the thermodynamic description, is commonly referred as the paradox of irreversibility. The recent results obtained by Evans and Searls, namely the Fluctuation-Relations (FRs) for the dissipation function, helped to shed light on the mechanism leading to the break in the time-simmetry, and opened new perspectives on the description of non-equilibrium systems. Deterministic dynamical systems such as the multiba

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13

Kluge, Daniel [Verfasser], and Andreas [Akademischer Betreuer] Fery. "Single-Fiber Mechanics on the Nanoscale / Daniel Kluge. Betreuer: Andreas Fery." Bayreuth : Universität Bayreuth, 2013. http://d-nb.info/1059908662/34.

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14

Sundararajan, Sriram. "Micro/nanoscale tribology and mechanics of components and coatings for MEMS /." The Ohio State University, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486401895208295.

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15

Donehoo, Brandon. "A superconducting investigation of nanoscale mechanics in niobium quantum point contacts." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24784.

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Thesis (Ph.D.)--Physics, Georgia Institute of Technology, 2008.<br>Committee Chair: Alexei Marchenkov; Committee Member: Bruno Frazier; Committee Member: Dragomir Davidovic; Committee Member: Markus Kindermann; Committee Member: Phillip First

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16

Zhu, Tulong. "Meshless methods in computational mechanics." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/11795.

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17

Wei, Zhiyan. "Studies in discrete and continuum mechanics." Thesis, Harvard University, 2014. http://dissertations.umi.com/gsas.harvard:11582.

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We have used a combination of theory and computation to investigate collective aspects of discrete mechanical systems. The analysis involves considerations from geometry, elasticity and hydrodynamics. We have developed continuum theories to describe these systems, in the spirit of compressing information by mathematical abstraction from the discrete description.<br>Engineering and Applied Sciences

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18

Fortier, Antoine. "Skating mechanics of change of direction maneuvers in hockey players." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=97042.

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Ice hockey is a popular winter sport that involves many skating skills improved by coaching instruction and numerous hours of practice. Once the basic mechanics of skating have been honed, the open game context requires rapid skating transitions between skating skills so as to effectively navigate about the ice surface to evade opponents and move in strategic tandem with teammates. Consequently, a player's performance relates in large part to effective change of direction maneuvers. The purpose of this study was to observe the kinetics of change of direction maneuvers in hockey players while

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19

Moore, Andrew J. "Strain analysis using ESPI applied to fracture mechanics." Thesis, Loughborough University, 1993. https://dspace.lboro.ac.uk/2134/11889.

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Electronic speckle pattern interferometry (ESPI) has become an established technique for surface deformation studies. However, difficulties remain in the practical use of ESPI, primarily because results require skilled and time-consuming interpretation. The work reported here has enabled automated acquisition and processing of ESPI displacement data. Further processing has enabled the components of surface strain and stress to be, determined automatically. Such measurements are of great importance for experimental fracture mechanics studies, a quantitative approach to measuring the severity of

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20

Ishikawa, Fumitoshi. "Mechanics of pneumatic tire - supporting ground interaction." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74320.

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This dissertation is concerned with experimental and analytical studies of the mechanics of interaction where a pneumatic tire is loaded vertically on a supporting ground, i.e., rigid base, clay and sand.<br>The numerous experiments were conducted under various conditions to characterized the interactions in terms of the experimental results, e.g. axle displacement, contact area, contact pressure, etc. The results of pressure distribution indicate that recognizing a tire as a pneumatic body is crucial in establishing a rational theory for tire-supporting ground interaction problems. The pressu

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21

Kirchner, Ulrich. "A space-time approach to quantum mechanics." Master's thesis, University of Cape Town, 1999. http://hdl.handle.net/11427/14639.

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Includes bibliographical references.<br>We present a systematic development and application of Geometric Algebra, an extended vector calculus. The entire algebraic structure, which is a graded Clifford algebra, is developed. To illustrate the derived results, examples are given for two and three dimensions. Here it becomes clear, how rotations and Lorentz boosts can be formulated in the Geometric Algebra. Further we realize that the Geometric Algebra contains elements, which can be used as representations of the complex unit. Having derived the necessary tools, we turn our attention to physics

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22

Schneider, Claus M., Daniel E. Bürgler, Peter M. Oppeneer, et al. "Quantitative characterization of nanoscale polycrystalline magnets with electron magnetic circular dichroism." nature publishing group, 2014. http://hdl.handle.net/2237/20835.

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23

Lee, Ji Hyung. "In-situ Analysis of the Evolution of Surfaces and Interfaces under Applied Coupled Stresses." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1707308/.

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To study the effect of the substrate support on the nanoscale contact, three different regimes, i.e., graphene on rigid (ultra-crystalline diamond) and on elastic (Polydimethylsiloxane) supports and free-standing graphene, were considered. The contribution of the graphene support to the mechanical and electrical characteristics of the graphene/metal contact was studied using the conductive atomic force microscopy (AFM) technique.The results revealed that the electrical conductivity of the graphene/metal contact highly depends on the nature of the graphene support. The conductivity increased wh

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24

Baig, Zubair. "Functional mechanical assessment of foot and ankle stiffness and work production in ice hockey skate boots." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=97258.

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Ice hockey is a sport characterized by high speeds, sharp turns and abrupt stops. As a result of these explosive and agile movements, the interaction of the foot and ankle with the skate boot is fundamental for optimal stability and propulsion. The purpose of this study was to determine the nature of this mechanical coupling in both a conventional and prototype skate models. In phase one, a Biodex System 4 Pro dynamometer was used to isolate the foot and ankle / boot dynamics in sagittal and frontal plane movements. Three footwear conditions were evaluated (control shoe, a skate boot in prod

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25

Garrigues, Laurent. "Statistical analysis and forecasting of sea ice conditions in Canadian waters." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=19621.

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Historical data of sea ice concentration in Canadian waters are analysed using projections methods (Principal Component Analysis, Singular Value Decomposition, Canonical Correlation Analysis and Projection on Latent Structures) to identify the main patterns of evolution in the sea ice cover. Three different areas of interest are studied: (1) the Gulf of St Lawrence, (2) the Beaufort Sea and (3) the Labrador Sea down to the east coast of Newfoundland. Forcing parameters that drive the evolution of the sea ice cover such as surface air temperature and wind field are also analysed in order to exp

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26

Zane, Lisa. "Force measures at the hand-stick interface during ice hockey slap and wrist shots." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110526.

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The purpose of this study was to quantify the contact forces between the lower and upper hands to the stick shaft during the ice hockey slap and wrist shot. Four cohorts (male/female x high/low calibre; HC, LC) of ice hockey players were tested using three sticks of different shaft bending stiffnesses (77, 87, 102). Forty-one subjects (21 male, 20 female) performed seven slap and seven wrist shots with each of the three stick types. Force at the stick-hand interface was recorded at 1000 Hz using 32 piezoresistive sensors about the shaft at the upper and lower-hand grip locations. The results d

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27

Da, Silva Andrey. "Numerical studies of aeroacoustic aspects of wind instruments." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22005.

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The characteristics of the dynamic flow in single-reed mouthpiece systems, as well as the influence of low Mach number mean flows on parameters associated with the acoustic radiation from wind instruments and generic waveguides are investigated in this thesis. In the first case, a numerical technique based on the lattice Boltzmann method coupled to a finite difference scheme is developed in order to investigate the fluid-structure interaction within the mouthpiece-reed system due to an unsteady low Mach number viscous flow. Results obtained for a stationary simulation with a static reed agree

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28

Magee, Patrick. "Whole-body predictors of wrist shot accuracy in ice hockey: a kinematic analysis by way of motion capture." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=67030.

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Abstract The purpose of this study was to identify joint angular kinematics that correspond to shooting accuracy in the stationary ice hockey wrist shot. Twenty-four subjects participated in this study, each performing 10 successful shots to four shooting targets. An eight-camera infra-red motion capture system (240 Hz), using passive reflective markers, was used to record motion of the joints, hockey stick, and puck throughout the performance of the wrist shot. A multiple regression analysis was carried out to examine whole-body kinematic variables with accuracy scores as th

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Wang, Qishan. "Active vibration and buckling control of piezoelectric smart structures." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114328.

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The objective of this dissertation is the vibration and buckling control of piezo-laminated composite structures with surface bonded or embedded piezoelectric sensors and actuators by using the finite element analysis and LQR/LQG feedback control techniques. The focus is mainly on two aspects: the finite element part and the active control part. (1) The finite element part:Two finite element formulations for the piezo-laminated beams based on the classical Bernoulli-Euler and the Timoshenko beam theories are developed using the coupled linear piezoelectric constitutive equations, and the Hamil

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Le, Ngoc Chau. "Force and centre of pressure measurements during ice hockey skating with a regular and a modfied ice hockey skate." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=117022.

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Force and centre of pressure (COP) were measured during a forward skating task on ice using a standard hockey skate and a modified skate with an altered tendon guard and eyelet configuration which allows for increased dorsiflexion and plantarflexion. The objective of this study was to determine if those skate design changes would result in biomechanical changes in the skaters during forward skating. Both left and right skates were instrumented with a calibrated strain gauge force transducer system to measure forces and with an insole system used to measure the COP during the forward skating ta

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Qi, Gang. "Computational modeling for stress analysis of overhead transmission line stranded conductors under design and fretting fatigue conditions." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=121122.

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While great efforts have been made in the electrical utility industry to engineer various stranded conductors with enhanced strength and vibrational characteristics, research devoted to understanding the complex mechanical behavior of complete conductors has been scarce, especially from a computational mechanics perspective. In the meanwhile, the long-lasting problem of conductor fretting fatigue becomes increasingly critical for overhead line design and maintenance, especially with the world-wide aging of electrical transmission grids. Aging of conductors contributes to significant degradatio

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32

Forget, Samuel. "Comparisons of player calibers and skate models during an ice hockey explosive transitional maneuver." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123253.

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The ground (ice) reaction force and the plantar foot pressure variables were measured during an explosive transitional maneuver, stop and go, skating task on ice using: 1) regular hockey skate and 2) a modified skate with an altered tendon guard and eyelet configuration which allows for increased dorsiflexion and plantarflexion. The objective of this study was to describe the differences in skating mechanics and kinetics between high and low caliber skaters and between the two different skate models during the specific explosive transitional, stop and go, skating task. Both the left and right

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33

Ouckama, Ryan. "Time series measurement of force distribution in ice hockey helmets during varying impact conditions." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119435.

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Modern sport helmets have been effective in reducing catastrophic head injuries such as skull fracture and subdural hematoma; yet, the high prevalence of minor traumatic brain injuries (mTBI) is an unresolved public health concern. Consequently, there is a need for greater scrutiny in a helmet's ability to mitigate collision forces that may correspond to mTBI risk. Current safety standards primarily assess a helmet's ability to minimize the whole head's peak acceleration during blunt impacts. Absent are dynamic measures local to the impact site itself due to the technical challenge to spatial

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34

Tengstrand, André. "Simulation of fatigue crack growth in coated cemented carbide milling inserts." Thesis, KTH, Hållfasthetslära (Avd.), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-214447.

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The aim of this work is to create a nite element model that simulates fatigue crack growth in coated cemented carbide milling inserts. A typical fatigue wear of coated milling tools are comb crack formation on the cutting edges of the tool inserts. Comb cracks initiate from pre-existent cooling cracks in the coating layers. Severe temperature changes occur during the intermittent machining and when using liquid coolant. As a result thermal stresses cause the initial cooling cracks to propagate. With the model this work also aim to model a possible explanation for lateral comb crack formation b

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35

Andujar, Moreno Rabindranath. "Variational mechanics and stochastic methods applied to structural design." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/286230.

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This thesis explores a very well understood area of physics: computational structural dynamics. The aim is to stretch its boundaries by merging it with another very well established discipline such as structural design and optimization. In the recent past both of them have made significant advances, often unaware one of each other for different reasons. It is the aim of this thesis to serve as a bridging tool between the realms of physics and engineering. The work in divided in three parts: variational mechanics, structural optimization and implementation. The initial part deals with determi

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36

Sammur, Mohammed F. R. "Finite element methods applied to elasto-plastic fracture mechanics." Thesis, Queen Mary, University of London, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423455.

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Jones, R. "Numerical optimisation techniques applied to problems in continuum mechanics." Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378760.

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Wong, Chi-ming, and 黃志明. "Image processing in experimental mechanics." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1993. http://hub.hku.hk/bib/B31211951.

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Wong, Chi-ming. "Image processing in experimental mechanics /." [Hong Kong : University of Hong Kong], 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13671595.

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Fournier, Luc. "A lattice model for the rupture kinetics of lipid bilayer membranes." Thesis, University of Ottawa (Canada), 2002. http://hdl.handle.net/10393/6293.

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We have constructed a model for the kinetics of rupture of membranes under tension, applying physical principles relevant to lipid bilayers held together by hydrophobic interactions. The membrane is characterized by the bulk compressibility (for expansion) K and the thickness 2ht of the hydrophobic part of the bilayer. The model is a lattice model which incorporates stress relaxation, and considers the nucleation of pores at constant area, constant temperature, and constant particle number. The particle number is conserved by allowing multiple occupancy of the sites. A value for the rigidity o

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McFaull, Steven R. "Measurement and statistical analysis of the passive viscoelastic properties of the human knee joint during flexion and extension motion." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6922.

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The purpose of the present investigation was to determine the net passive elastic joint moment and the angular damping coefficient of the human knee joint in full range flexion-extension. A secondary purpose was to develop regression equations to predict the measured passive properties from anthropometric data. The passive elastic moments increased exponentially as the limits of either flexion or extension were approached. The midrange of joint motion was a low moment (5 N$\cdot$m), low stiffness region. Considerable variability in the magnitudes of the passive elastic moments existed across s

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Fitzmaurice, Michael G. "A new finite-difference time-domain method applied to an open waveguide structure." Thesis, University of Ottawa (Canada), 1992. http://hdl.handle.net/10393/7950.

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The study makes use of a variation of the Finite-Difference Time-Domain (FDTD) method as first proposed by Yee to simulate electromagnetic field distribution and propagation in an open waveguide structure. In order to prove that this new method is valid, a reflection coefficient is calculated with simulation data and compared to measurements. The agreement between measurement and simulation data, while not exact, is enough to establish the veracity of the new method. This study contains a detailed discussion of the discrepancies which were observed. Also presented are colour images of the simu

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Shaban-Zanjani, Hamid. "Accurate positioning of a servo DC-motor using self adjusting-adaptive sliding model controller." Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/9517.

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This study presents a strategy for position feedback control, a so-called self-adjusting adaptive sliding mode controller, to obtain a desired steady state error for a DC-motor servo in the presence of Coulomb friction and stiction. Sliding mode controllers are of the type of nonlinear controllers which have been studied extensively by Russian scientists, including V. I. Utkin and V. Itkis. The self adjusting sliding mode control method that this thesis is focused on is an adaptive discontinuous controller with an approximated sliding mode trajectory. The study is concerned with both analytica

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Stewart, Vivian-Lee. "Influence of block angle and diver stance on power production and takeoff velocity in swim starting." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/9681.

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This research examined three different diving stances during the competitive grab start of swimming--that of the standard position, called the Toes-Over position, the Toes-Back position where the swimmers were not permitted to curl their toes over the edge of the $-$10 degree inclined starting block and the Level position where the platform was levelled. A starting position was being sought which would increase a swimmer's projection angle from the blocks and thus flight time before entry. Eight female swimmers were filmed using a stationary cinecamera while reaction forces were collected, sim

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Thirunavu, Subramanian. "Effects of buoyancy forces on immiscible oil/water displacements in porous media." Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/10231.

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The effects of buoyancy forces on liquid-liquid displacement processes occurring in porous media are important in a variety of practical situations, in particular during the displacement of oil from partially-depleted underground reservoirs by means of aqueous solutions. Most previous studies involving the visualization of water/oil displacements in porous media have been undertaken in horizontal two-dimensional porous medium cells. The objective of this work was to determine the effects of buoyancy forces on the fingering pattern and oil recovery by conducting immiscible displacement experime

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46

Stangier, Stefanie D. "Theoretical and experimental investigation of the free vibration of parallelogram plates with simply supported and clamped boundary conditions." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq28462.pdf.

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Grenier, Sylvain. "Internal work measurement and simultaneous oxygen consumption of impaired and normal walking." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0006/MQ36698.pdf.

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Feng, Jie. "On the viscoelastic response of laminated composites." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ45219.pdf.

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49

Ghadiri, Dehkordi Behzad. "Numerical simulation of the viscous flow around bluff bodies via the random Vortex method." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41598.

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Abstract:

The viscous, incompressible and laminar flow around bluff bodies is analysed via a random vortex method using a hybrid (Eulerian-Lagrangian) scheme. The Navier-Stokes equations, written in the form of vorticity equations, are split into nonlinear convection and linear diffusion parts according to a fractional step method. Vorticity is modelled by discrete point vortices. Vortices are created on the surface to satisfy the zero tangential velocity boundary condition. Random walks are applied to the vortices to simulate the diffusion equation. Vortices are then convected in an inviscid calculatio

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50

Turcott, Rios Eduardo Enrique. "Experimental study of the compressional behaviour of two-phase media." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70342.

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Abstract:

This thesis is concerned with the experimental evaluation of the volumetric deformation of a two-phase medium at the microscopic level. The basic definitions of the significant parameters involved in the mechanical response behaviour of the structured medium are based on the concepts of Probabilistic Micromechanics. A simple phenomenological model and the leading structural parameter $ theta sb{s}$ (Solid phase volume fraction) are discussed briefly. The experimental work makes use of a series of macroscopic tests to attain different states of deformation so that the evolution of the internal

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