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 8 of 8 for “"Geometric Variation"”.
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A method for characterization of single-event latchup technologies as a function of geometric variation
… a method for the characterization of the geometric effects of CMOS layout on SEL. The dominant geometric contributors to the overall SEL sensitivity include: (1) substrate contact-to-source spacing (PWNS), (2) well contact-to-source spacing (NWPS), and (3) source-to-source spacing (SS).
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Probabilistic analysis of meanline compressor rotor performance
… performance of a compressor rotor due to geometric variation. The performance of the rotor is computed using a meanline model that includes the effect of tip clearance blockage, calculated by assuming the tip leakage behaves like a wake in a pressure gradient and incorporating the effects …
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Investigating the frequency behavior of fluidic oscillators and their application as active flow control for an SNLF airfoil
… study was performed to investigate the effect of geometric variation on the frequency behavior of fluidic oscillators. Fluidic oscillators are able to passively generate a self-induced, self-sustained sweeping planar jet that is highly dependent on internal geometries and inlet conditions. …
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Comparative Morphology and Macroevolution of the Avian Quadrate
… changes in quadrate shape to examine its geometric variation in light of ecological information. Here, we investigated the morphological variation of the quadrate across over 249 bird species covering all major lineages of extant birds to produce a clearly labelled anatomical atlas of the …
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Computational exploration of the structural design space
… Because structural behavior is most affected by geometric form, the greatest potential for structural efficiency and a harmony of design goals occurs when global formal design decisions are made, in conceptual design. However, most existing computational tools and approaches lack the features …
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The Impact of Low-Earth-Orbit Satellites on GNSS Ambiguity Resolution
… MEO satellites and therefore will introduce more geometric variation, resulting in faster ambiguity resolution. The LEO constellation in this study is modelled after Iridium, a telecommunications constellation with 66 satellites orbiting at 780 km altitude. Iridium is not dense enough to operate …
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Modelling geometric uncertainties in prostate radiotherapy
… presents a range of techniques to enhance thegeometric accuracy of radiotherapy treatment. A full evaluation of such techniques,against increased cost, workload, or unnecessary radiation dose, would require theincorporation of geometric errors into existing methods for modelling …