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  • Deterministic and stochastic control of nonlinear oscillations in ocean structural systems

    Creator:
    King, Paul E.
    Abstract:
    Complex oscillations including chaotic motions have been identified in off-shore and submerged mooring systems characterized by nonlinear fluid-structure interactions and restoring forces. In this paper, a means of controlling these nonlinear oscillations is addressed. When applied, the controller is able to drive the system to periodic oscillations of arbitrary periodicity....
    Resource Type:
    Dissertation
    Full Text:
    advisor, Professor Solomon C. S. Yim, for his obvious dedication to the quest for scientific knowledge

  • Organizational factors in the reliability assessment of offshore systems

    Creator:
    Biondi, Esteban L.
    Abstract:
    The reliability of ocean systems is dependent on organizational factors. It has been shown that low probability / high consequence system failures are overwhelmingly induced by organizational factors. However, no methodology is yet widely accepted for the evaluation of this phenomenon or its accurate quantification. A qualitative complementary approach is...
    Resource Type:
    Masters Thesis
    Full Text:
    : Organizational Factors in the Reliability Assessment of Offshore Systeii, Abstract approved: Solomon C. S. Yim

  • An Analysis of Nutrient Depletion in Douglas-fir Forests of the Oregon Coast Range

    Creator:
    Siah, Kaveh G.
    Abstract:
    Nutrient limitation constrains tree growth in many managed forests. Nitrogen (N) is the most common limiting nutrient, but high N supply can shift limitation to other nutrients, particularly phosphorus (P) and the base cations calcium (Ca), magnesium (Mg), and potassium (K). As different soil minerals have different capacities to supply...
    Resource Type:
    Masters Thesis
    Full Text:
    : _____________________________________________________________________ Steven S. Perakis

  • Paleoclimate, paleoventilation, and paleomagnetism as recorded in a 17kyr marine sediment record from the SE Alaska margin

    Creator:
    Davies, Maureen Helen
    Abstract:
    The deglacial behavior of the sub-Arctic North Pacific is poorly constrained, with many published records suffering from limited age control due to extensive post- depositional biogenic carbonate dissolution. Potential alternative dating methods could include the correlation of stable-isotopic and/or paleomagnetic secular variation records to an independently-dated regional template, however no...
    Resource Type:
    Dissertation
    Full Text:
    :__________________________________________________ Alan C. Mix Joseph S. Stoner The

  • The relationship of protein composition to end-product functionality of hard white wheat

    Creator:
    Gehlhar, Sarah Bronwen
    Abstract:
    Improving quality of hard white wheat (HW) cultivars in the Pacific Northwest is important to expand exports to Asia. Asian food processors prefer HW grain that can satisfy an array of baking needs, as well as produce superior quality noodle products. Three experimental populations were developed from single cross and...
    Resource Type:
    Dissertation
    Full Text:
    redacted for privacy. Signature re9apted for privacy. /C. James Peterson • I/ Andrew S. Ross