Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 105 for “"Computer modelling"”.
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Computer modelling the Serengeti-Mara ecosystem
At present, the viability of biodiversity in most of the remaining natural areas of the world is primarily threatened by human encroachment. This has led to an increased demand for active conservation. However, in order to devise and implement appropriate management strategies for a particular …
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Computer modelling applied to the Calvin Cycle
This thesis developes computer modelling techniques, and their use in the investigation of biochemical systems, principally the photosynthetic Calvin cycle. A set of metabolic modelling software tools, "Scampi", constructed as part of this project is presented. A unique feature of Scampi is that it …
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Computer Modelling Informed Coronary Artery Bypass Grafting
… predictive patient-specific computational modelling could aid cardiac surgeons in their selection of grafting configurations using bilateral internal mammary and radial arteries for patients with severe triple vessel disease. In particular, the purpose was to avoid the selection of …
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COMPUTER MODELLING OF DIGITAL DISTANCE AND DIRECTIONAL RELAYS
… relay and its expected performance on, a digital computer. This procedure will allow an engineer to check the performance of several designs without building prototypes. Moreover, the design process will take less time than the time required to optimize the designs using the first option. This …
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Computer modelling of the chemical speciation in seawater
The primary aim of this thesis is to establish a computer model of the chemical elements in seawater and to use this model to gain insight into the chemical processes controlling dissolution, precipitation, redox levels and coordinative interactions in surface seawater. In order to accomplish this …
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Computer modelling and analysis of particulate laden gas flows
… plant can be modelled realistically on minicomputers at moderate costs. Convergence can normally be obtained with ease. It is concluded that for the cases studied, thermal radiation is a dominant factor in the calculation of the heat losses and that the particle contribution to these losses …
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Computer modelling of plastic deformation and fracture in heterogeneous systems.
The results from a computational investigation of plastic deformation and fracture in austenitic steel are presented. A lattice model representing the continuum mechanical behaviour in three-dimensions is developed. The model is shown to recover the governing equations for continuum elasticity …
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Computer modelling and experimental characterisation of amorphous semiconductor thin films and devices
Computer source codes for modelling amorphous semiconductors have been developed during the course of the study. The major program <i>SPIN.F</i> deals with steady state electronic processes for amorphous semiconductor materials and devices under different optical excitation and applied voltage …
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The Application of Computer Modelling to the Design Optimisation of a Microexcavator Digging
… were carried out to assess the accuracy of the computer model with satisfactory results.<br/><br/>A design optimisation method has been developed using a structural model integrated with a hydraulic system model. A complete computer aided design software package has been written utilising these …
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Heat conduction in two and three dimensions : computer modelling of building physics applications
… work has been to develop a new generation of computer programs for transient and steady-state heat conduction in two and three dimensions. A large range of heat transfer problems within the field of buildings physics can be analyzed using these tools. There are, however, many things to keep in …
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Computer modelling of the development of the trabecular architecture in the human pelvis
… of mechanical loading upon bone growth and remodelling has been widely studied. It has been suggested that functional bone growth is evident within the human adult pelvis, where the internal trabecular structure is purported to align to the principal strain trajectories induced during bipedal …
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The study of proton-donor proton-acceptor interactions by infrared spectroscopy and computer modelling
… acids were constructed using the Chem-X computer modelling package(Chemical Design Ltd.). Molecular energies were generated for the most stable acid conformations. For o-methoxybenzoic acid, the variation of molecular energy with the degree of internal rotation for the four bonds for …
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3D computer modelling of large-scale strain caused by ridge collision in southern Chile
Includes bibliographical references.
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Electronic characterisation and computer modelling of thin film materials and devices for optoelectronic applications
… intensity strongly absorbed bias beam.<br/><br/>Computer simulations were used to gain insight into the photogating phenomenon. It was found that the gating effect operates by the modulation of the internal field profile in a device, via deeply trapped space charge introduced by the probe beam. …
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Investigation and computer modelling of the pore structure of paper and of consolidated pigment coatings
The aim of this project was to enhance the current state of knowledge of the void structure of paper, and pigments used to coat paper. The porosities and pore size distributions of consolidated pigments were measured using mercury porosimetry. Prior to this work, mercury porosimetry was rarely used …
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Investigating the biomechanics of a lizard skull using advanced computer modelling techniques with experimental validation
… lizard has been analysed using advanced computer modelling techniques. This study aimed to perform a multibody dynamics analysis (MDA) on a biting lizard skull so that bite forces, joint forces, ligament forces and muscle forces could be accurately predicted. Then, using this MDA load …
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The computer modelling and experimental study of confined jet mixing with application to jet pump design
… finitedifference procedure using a digital computer. The timemean static pressure, velocities, turbulent kinetic energy and dissipation rate are predicted directly throughout the whole flow field. To validate the computer model, predicted time-mean static pressure and velocity as well as …
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Computer modelling of metabolic adaptions during mitochondrial dysfunction and machine learning to predict novel mitochondrial disease genes
Mitochondria are organelles found in almost every eukaryote and are primarily responsible for generating chemical energy in the form of adenosine triphosphate. This thesis investigates two main causes of mitochondrial dysfunction: mitochondrial toxicity arising from side-effects of drugs; and …
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