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  • Development of a posture prediction model

    Creator:
    Dendamrongvit, Thidarat
    Abstract:
    Biomechanical models have been used in designing human work environments to evaluate potential risks to workers before a work environment is constructed. In order for work environments to be modeled correctly, most biomechanical models require as input, an accurate body posture of the worker. This information can be obtained by,...
    Resource Type:
    Masters Thesis
    Full Text:
    degree of Master of Science in Industrial Engineering presented on May 1, 2002. Title: Development of a

  • Pore Water Pressure Response in Soil During Tsunami Loading : Numerical Formulation and Experimentation

    Creator:
    Abdollahi, Abbas
    Abstract:
    Tsunami loading can cause sediment instability, which can compromise the structural integrity of coastal buildings and infrastructure. To understand the process by which a tsunami can cause sediment instability, it is necessary to understand how the pore water pressure in the soil changes during tsunami loading. Tsunami run-up causes the...
    Resource Type:
    Dissertation
    Full Text:
    struc- tural integrity of coastal buildings and infrastructure. To understand the process by which a

  • A practical approach to model the behavior of a metal-plate-connected wood truss system

    Creator:
    Li, Zhong
    Abstract:
    Metal-plate-connected (MPC) trusses have traditionally been designed based on a tributary load distribution and a simplified truss model. This design method ignores the load-sharing and composite action in MPC roof truss systems, the semi-rigidity of MPC joints, and joint eccentricity. The main objective of this study was to provide a...
    Resource Type:
    Masters Thesis

  • Post-accident radiocesium uptake in eastern Oregon wheat crops : A preliminary estimate using a modified "PATHWAY" model

    Creator:
    Palotay, Joshua A.
    Abstract:
    An experimental environmental uptake model was developed for the purpose of estimating the final harvest concentration of contaminant following an acute accidental release of radiocesium onto an eastern Oregon winter wheat crop. The system was developed using the PATHWAY environmental uptake model as presented by Whicker and Kirchner (1987) for...
    Resource Type:
    Masters Thesis
    Full Text:
    A. Palotay for the degree of Master of Science in Radiation Health Physics presented on January 10

  • Influence of macro-roughness on tsunami runup & forces

    Creator:
    Bridges, Kerri-Jane
    Abstract:
    This thesis is comprised of a manuscript based on a laboratory experiment run in the Tsunami Wave Basin as part of a research project funded by the Network for Earthquake Engineering Simulation called Housesmash. The purpose of the experiment was to better understand the role of the urban environment, represented...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: Daniel T. Cox This thesis is comprised of a manuscript based on a laboratory

  • Modeling of Wave Energy Converter via Instantaneous Frequency

    Creator:
    Kim, Inyong
    Abstract:
    A multidisciplinary perspective is necessitated for the analysis of wave energy conversion systems, spanning hydrodynamics, mechanics, electric power, and control systems. The complexity inherent in these scientific domains poses challenges for unified analysis. This paper addresses these challenges by connecting various domains through the application of circuit theory, characterizing the...
    Resource Type:
    Masters Thesis
    Full Text:
    : Modeling of Wave Energy Converter via Instantaneous Frequency Abstract approved: Ted Brekken Yue Cao A

  • Radiation effects in compound semiconductor heterostructure devices

    Creator:
    Sarkar, Aveek, 1974-
    Abstract:
    Radiation studies were performed on compound semiconductor heterostructure devices. The objective was to understand the degradation processes caused by the exposure of these devices to radiation. Preliminary experiments were focussed on studying the degradation phenomenon in single heterojunctions and single quantum wells. It was found that ionizing radiation like gamma...
    Resource Type:
    Masters Thesis
    Full Text:
    unaffected even after a radiation dose of 40 MRad. The voltage at which the resonant peak occurs was found

  • Toward wave energy in Oregon : predicting wave conditions and extracted power

    Creator:
    Oskamp, Jeffrey A.
    Abstract:
    Knowledge of wave conditions in nearshore regions supports the development of ocean wave energy technology by providing wave climatology for device design considerations, and power output estimates. By modeling wave transformation over the continental shelf, wave conditions were predicted in nearshore regions where potential wave energy conversion sites are located....
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Jeffrey A. Oskamp for the

  • Performance Analysis of a Utility-Scale Wave Energy Converter

    Creator:
    May-Varas, Nicholas A.
    Abstract:
    A six degree of freedom (6DOF) point-absorber wave energy converter (WEC) called LUPA is being developed at Oregon State University. This research focused on analyzing a full- scale LUPA, called LUPA20, to answer the following questions: 1) How does a full-scale WEC perform due to various factors; 2) What are...
    Resource Type:
    Honors College Thesis
    Full Text:
    Performance Analysis of a Utility-Scale Wave Energy

  • On the design, modeling, and testing of ocean wave energy converters

    Creator:
    Bosma, Bret
    Abstract:
    Ocean wave energy converter technology continues to advance and new developers continue to emerge, leading to the need for a general design, modeling, and testing methodology. This work presents a development of the process of taking a wave energy converter from a concept to the prototype stage. A two body...
    Resource Type:
    Dissertation
    Full Text:
    developers continue to emerge, leading to the need for a general design, modeling, and testing