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This collection contains theses and dissertations of graduate students of the University of Alberta. The collection contains a very large number of theses electronically available that were granted from 1947 to 2009, 90% of theses granted from 2009-2014, and 100% of theses granted from April 2014 to the present (as long as the theses are not under temporary embargo by agreement with the Faculty of Graduate and Postdoctoral Studies). IMPORTANT NOTE: To conduct a comprehensive search of all UofA theses granted and in University of Alberta Libraries collections, search the library catalogue at www.library.ualberta.ca - you may search by Author, Title, Keyword, or search by Department.
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Results for "Probability Distributions on a Circle"

Subject: Uncertainty Departments: Department of Civil and Environmental Engineering

  • Multivariate Analysis of Diverse Data for Improved Geostatistical Reservoir Modeling

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    Fall 2010

    Hong, Sahyun

    , nonlinear relations and different qualities. Previous approaches rely on a strong Gaussian assumption or the combination of the source-specific probabilities that are individually calibrated from each data source. This dissertation develops different approaches to integrate diverse earth science data

    . First approach is based on combining probability. Each of diverse data is calibrated to generate individual conditional probabilities, and they are combined by a combination model. Some existing models are reviewed and a combination model is proposed with a new weighting scheme. Weakness of the

    probability combination schemes (PCS) is addressed. Alternative to the PCS, this dissertation develops a multivariate analysis technique. The method models the multivariate distributions without a parametric distribution assumption and without ad-hoc probability combination procedures. The method accounts

  • Quantification of reservoir uncertainty for optimal decision making

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    Spring 2010

    Alshehri, Naeem S.

    technical analysis considering all available data. Current methods of estimating resource uncertainty use spreadsheets or Monte Carlo simulation software with specified probability distributions for each variable. 3-D models may be constructed, but they rarely consider uncertainty in all variables. This

    . The CFD approach produced more realistic uncertainty in distributions of the HIIP than those obtained from the BS or SBS approaches. 0-D modeling was used for estimating uncertainty in HIIP with different source of thickness. 2-D is based on geological mapping and can be presented in 2-D maps and

    A reliable estimate of the amount of oil or gas in a reservoir is required for development decisions. Uncertainty in reserve estimates affects resource/reserve classification, investment decisions, and development decisions. There is a need to make the best decisions with an appropriate level of

  • Uncertainty in Probabilistic Open Pit Slope Stability Analyses: Implications for Reliability-Based Designs

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    Spring 2024

    Valdivia Paucar, Myzael J.

    parameter of a material as a random variable with a specific probability distribution. The outcomes of such analyses are evaluated through design acceptance criteria (DAC) that incorporate uncertainty in terms of design reliability – also known as Reliability-Based Design Acceptance Criteria (RBDAC

    on a modified open pit slope, inspired by the geotechnical, geological, and hydrological characteristics of an implemented pit slope located in British Columbia, Canada. The outcomes of this research yield significant insights for forthcoming probabilistic open pit slope stability analyses. The

    to higher coefficients of variation and thus an elevated probability of failure. These results can be the defining factor between designs deemed acceptable or not, as per the RBDAC criteria. Based on these outcomes, it is suggested that practitioners consider, depending on the necessity of the design

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