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  • Design, analysis and evaluation of bridge superstructures for live loads

    Creator:
    Turan, O. Tugrul
    Abstract:
    Due to age, original design that is deficient by modern standards, inadequate maintenance, environmental conditions, and increasing loads, large numbers of bridges in United States and elsewhere are classified as deficient and in need of rehabilitation or replacement. According to a national bridge inventory established by the Federal Highway Administration,...
    Resource Type:
    Dissertation
    Full Text:
    Kennedy, Dr. Michael Scott, and Dr. Donald C. Solmon for their helpful comments and feedback. I

  • Representations of fractional Brownian motion

    Creator:
    Wichitsongkram, Noppadon
    Abstract:
    Integral representations provide a useful framework of study and simulation of fractional Browian motion, which has been used in modeling of many natural situations. In this thesis we extend an integral representation of fractional Brownian motion that is supported on a bounded interval of ℝ to integral representation that is...
    Resource Type:
    Dissertation
    Full Text:
    , Professor David Finch, Yevgeniy Kovchegov, Donald Solmon and Thinh Nguyen for their advices and comments

  • Freeze-thaw durability of reinforced concrete deck girders strengthened for shear with surface-bonded carbon fiber-reinforced polymer

    Creator:
    Mitchell, Mikal Maxwell
    Abstract:
    Long-term durability of surface-bonded carbon fiber-reinforced polymer (CFRP) U-wraps for shear strengthening of reinforced concrete (RC) bridge members remains uncertain due to the limited field experience with these materials. This paper provides experimental results from the testing of full-scale RC bridge girder specimens after exposure to prolonged freeze-thaw cycling. CFRP...
    Resource Type:
    Masters Thesis
    Full Text:
    : Christopher C. Higgins Long-term durability of surface-bonded carbon fiber-reinforced polymer (CFRP) U

  • The Stokes problem of fluid mechanics, Riesz transform, and the Helmholtz-Hodge decomposition : probabilistic methods and their representations

    Creator:
    Kim, HoeWoon
    Abstract:
    The flow of incompressible, viscous fluids in R³ is governed by the non-linear Navier-Stokes equations. Two common linearizations of the Navier-Stokes equations, the Stokes equations and the Oseen equations, are studied in this thesis using probabilistic methods. The incompressibility condition presents new challenges for the well known theory relating partial...
    Resource Type:
    Dissertation
    Full Text:
    committee members, Ed Waymire, Donald Solmon, Ralph Showalter, and Glenn Evans. Personal I wish to thank

  • The Variable Speed Wave Equation and Perfectly Matched Layers

    Creator:
    Kim, Dojin
    Abstract:
    A perfectly matched layer (PML) is widely used to model many different types of wave propagation in different media. It has been found that a PML is often very effective and also easy to set, but still many questions remain. We introduce a new formulation from regularizing the classical Un-Split...
    Resource Type:
    Dissertation
    Full Text:
    discretized system and provide a priori error estimations. c©Copyright by Dojin Kim June 4, 2015 All

  • 3D cone beam reconstruction formulas for the transverse-ray transform with source points on a curve

    Creator:
    Wongsason, Patcharee
    Abstract:
    3D vector tomography has been explored and results have been achieved in the last few decades. Among these was a reconstruction formula for the solenoidal part of a vector field from its Doppler transform with sources on a curve. The Doppler transform of a vector field is the line integral...
    Resource Type:
    Dissertation
    Full Text:
    inversion formula in cone-beam setting with sources on the sphere. c©Copyright by Patcharee Wongsason

  • Covariant derivatives on null submanifolds

    Creator:
    Hickethier, Don
    Abstract:
    The degenerate nature of the metric on null hypersurfaces creates many difficulties when attempting to define a covariant derivative on null submanifolds. This dissertation investigates these challenges and provides a technique for defining a connection on null hypersurfaces in some cases. Recent approaches using decomposition to define a covariant derivative...
    Resource Type:
    Dissertation
    Full Text:
    covariant derivative operator is given for the class of spherically symmetric hypersurfaces. c©Copyright

  • Asphericity of length 6 equations over torsion free groups

    Creator:
    Kim, Seong Kun
    Resource Type:
    Dissertation

  • π-line reconstruction formulas in computed tomography

    Creator:
    Hass, Ryan Andrew
    Abstract:
    X-ray computed tomography is a noninvasive imaging modality capable of reconstructing exact density values of 3D objects. Computed tomography machines are deployed across the world to provide doctors with an image that reveals more detail than a standard x-ray image. We investigate algorithms based on exact computed tomography reconstruction formulas...
    Resource Type:
    Dissertation
    Full Text:
    . c©Copyright by Ryan Andrew Hass November 25, 2009 All Rights Reserved π-Line Reconstruction

  • An intrinsic codimension two cellular decomposition of the Hilbert cube

    Creator:
    Ghimire, Kailash C.
    Abstract:
    Cellular sets in the Hilbert cube are the intersection of nested sequences of normal cubes. One way of getting cellular maps on the Hilbert cube is by decomposing the Hilbert cube into cellular sets and using a quotient map. By using a cellular decomposition of the Hilbert cube, an example...
    Resource Type:
    Dissertation
    Full Text:
    you to my graduate committee members Professor Donald Solmon, Professor Tevian Dray, Professor