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 12 of 12 for “"shadowing effects"”.
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Development of a numerical technique for modelling of multi-stage hydraulic fracturing in shale reservoirs
… the stress field changes, referred to as “stress shadowing”. In this dissertation, in order to present a numerical technique, which is capable of capturing the non-planar hydraulically driven crack propagation with unpredictable path, on one hand, and tackling the feasible emergence of multiple …
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A plasma-wall interaction model for the erosion of materials under ion bombardment
… a probability model of erosion, (iii) geometric effects to account for shadowing effects and feature size and (iv) a continuum finite element model for the thermo-mechanical response of the dielectric walls that uses machine learning to account for the complex response of the material. Results …
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Stochastic Geometry for Vehicular Networks
… of the typical receiver in the presence of shadowing effects. We address the technical challenges induced by the inclusion of shadowing effects by leveraging the asymptotic behavior of the Cox process. These results help us gain useful insights into the behavior of the networks as a function …
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Photoproduction of p0 Mesons in Ultra-Peripheral D-AU Collisions at RHIC
… number, which can provide insight into nuclear shadowing effects. I will compare the kinematic distributions of the daughter pions as well as the parent rho meson candidates with theoretical expectations. I analyzed data collected using two different trigger conditions, neither of which was …
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Texture evolution in metal nitride (aluminum nitride, titanium nitride, hafnium nitride) thin films prepared by off-normal incidence reactive magnetron sputtering
… due to mobility difference on the islands and shadowing effects. For a deposition angle of 40° from substrate normal, we found that TiN orientation is close to the substrate normal and TiN orientation is close to the direction of the deposition source, showing substantial in-plane …
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The application of solar desalination for water purification in Cyprus
… E-W horizontal mode is selected due to its small shadowing effects. Computer programs are developed for all the above analyses and for modelling of the steam generation system. The design of the complete desalination system is also presented.<br/><br/>The collector performance tests show that the …
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Towards realistic interactive sand : a GPU-based framework
… method for lighting sand that supports both self-shadowing and environmental shadowing effects.
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Antenna effects on indoor wireless channels and a deterministic wide-band propagation model for in-building personal communication systems
… little research has been done on antenna effects in wide-band channels. Research has shown that circular polarization (CP) is more robust in combating multipath than linear polarization in line-of-sight channels. One objective of this thesis is to study the effects of antenna polarization …
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Fluid flow and sound generation at hydrothermal vent fields
… and a maximum height of 150±10 m. The nonlinear effects of large temperature variations on heat capacity and volume changes slightly alter the calculations applied to obtain these values. In Guaymas Basin, a twelve day time series of temperature data was collected from a point three centimeters …
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Optical transport of pseudo-random coatings
… of coatings offer some degree of order caused by shadowing effects, and a degree of randomness due to the statistical roughening present when depositing such structures. The most important structural dependence is the plane perpendicular to the growth direction, hence in this work I will analyse …
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Measurement Based Channel Characterization and Modeling for Vehicle-to-Vehicle Communications
… the spatial diversity and to mitigate the shadowing effects. The presented work can thus enable more efficient design of future V2V communication systems.
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Full-Scale Lateral-Load Tests of a 3x5 Pile Group in Soft Clays and Silts
<p>A series of static lateral load tests were conducted on a group of fifteen piles arranged in a 3x5 pattern. The piles were placed at a center-to-center spacing of 3.92 pile diameters. A single isolated pile was also tested for comparison to the group response. The subsurface profile consisted of …