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  • Numerical Simulation, Laboratory and Field Experiments, Analysis and Design of Wave Energy Converter and Mooring System

    Creator:
    Lou, Junhui
    Abstract:
    This dissertation studies the coupled fluid-structure interaction (FSI) of a wave energy converter (WEC) and evaluates the design of a WEC mooring system. The research is conducted in support of conceptual development, field test and performance evaluation of WECs as part of the mission of the Northwest National Marine Renewable...
    Resource Type:
    Dissertation
    Full Text:
    fluid structure interaction (FSI) including fully nonlinear inviscid and viscous forces. The

  • Evaluation of desktop learning modules in civil engineering classrooms to promote inductive and interactive learning

    Creator:
    Buker, Kamilah E.
    Abstract:
    Students in undergraduate engineering programs typically do not synthesize content learned from disparate course work until the end of their final terms of college. As an example, in undergraduate civil engineering programs, transportation engineering concepts (e.g., geometric alignment, asphalt design procedures) and geotechnical engineering concepts (e.g., shear strength of soils,...
    Resource Type:
    Masters Thesis
    Full Text:
    strength of soils, soil compaction) are not often integrated until senior design, if then. This Thesis

  • GPU-Based Fluid-Structure Interaction using Immersed Boundary Methods

    Creator:
    Minar, Christopher
    Abstract:
    Engineering applications often require fast, accurate solutions of fluid flow around freely moving bodies. The massive parallelism enabled by graphics processing unit (GPU) architecture enables high performance, offering a promising alternative to traditional solver acceleration via multicore central processing units (CPU). However, fully harnessing GPU parallelism requires specialized algorithms and...
    Resource Type:
    Masters Thesis
    Full Text:
    Fluid-Structure Interaction using Immersed Boundary Methods Abstract approved: Kyle Niemeyer

  • Vibration Analysis of Advanced Test Reactor Miniplate Hydraulic Test in the OSU HMFTF

    Creator:
    Latimer, Griffen D.
    Abstract:
    Current research on the topic of advanced reactor fuel types include the use of ultrahigh density Uranium-Molybdenum fuels, towards their use in high-performance research reactors. These reactors operate with high power densities, and the increased cooling requirements therefore place high relevance on the fluid-structure interaction with these fuel elements; therefore...
    Resource Type:
    Masters Thesis
    Full Text:
    densities, and the increased cooling requirements therefore place high relevance on the fluid-structure

  • Large–Scale Laboratory Experiment and Numerical Simulation of Tsunami Forces on a Bridge Deck

    Creator:
    Xiang, Tao
    Abstract:
    The fluid impact forces on a bridge superstructure in horizontal and vertical directions due to tsunamis represented by solitary waves are investigated through a large-scale laboratory experiment and numerical simulations. The experiment is conducted in a two-dimensional wave basin using a 1:5 scaled reinforced concrete bridge deck model tested under...
    Resource Type:
    Masters Thesis
    Full Text:
    . ......................................................................................................................... 95 Nomenclature 𝐴𝐺𝑎𝑝 Area between each girder 𝐴𝑓 Area of the bottom of the structure or

  • Tsunami Simulation Using OpenSees : Validation of Bridge Response and Exploration of Shallow Water Flow

    Creator:
    Cressman, Luke R.
    Abstract:
    The finite element software framework, OpenSees, has been used by researchers to simulate the response of structural and geotechnical systems to earthquake loading. Implementation of the Particle Finite Element Method (PFEM) has made it possible to simulate hydrodynamic forces through fluid-structure interaction (FSI) in OpenSees. To validate the FSI implementation...
    Resource Type:
    Masters Thesis
    Full Text:
    -structure interaction (FSI) in OpenSees. To validate the FSI implementation in OpenSees, wave flume

  • Power Output Calculations for an Array of Point-absorber Wave Energy Converters

    Creator:
    García-Castaño, Manuel
    Abstract:
    This study presents a methodology for power take off (PTO) forecasting for an array of heave wave energy converters (WECs). Based on spectral data obtained directly from the National Data Buoy Center, representative realistic sea states are generated at the location of the WECs, and by using two wave-structure interaction...
    Resource Type:
    Masters Thesis
    Full Text:
    the WECs, and by using two wave-structure interaction models of differing complexity (wave-follower

  • Effects of Wave Nonlinearity and Vertical Variation of Vegetation Density on Wave Attenuation

    Creator:
    Wu, Wei-Cheng
    Abstract:
    The understanding and prediction how coastal wetland vegetation attenuates wave action has received renewed attention with global climate change impacts and increasing populations on coastlines. Conventional attenuation models utilize empirical drag coefficients, but these coefficients exhibit a wide range of values, and there is some uncertainty in the relative importance...
    Resource Type:
    Dissertation
    Full Text:
    structure of vegetation-induced turbulent kinetic energy budget. It is found that the turbulence is

  • Characterization of the Structure and Dynamics of the Intrinsically Disordered Dynein Intermediate Chain and its Interactions with Regulatory Binding Partners

    Creator:
    Morgan, Jessica L.
    Abstract:
    Cells represent microcosms of spatial and temporal structural organization, with the achievement of internal spatial organization relying upon a collection of macromolecular motor complexes to transport and localize components throughout the cell. Cytoplasmic dynein is one such motor complex, and is the principal ATP-dependent motor for retrograde transport along microtubules...
    Resource Type:
    Dissertation
    Full Text:
    dynamic state into one with definite structure upon its binding interaction with a folded, structured

  • Comprehensive Characterization of Motion of a Helical Coil Due to Flow Induced Vibration

    Creator:
    Harmon, Paul L.
    Abstract:
    Mechanical vibrations compromise the integrity of key components of thermal power plants. Without careful design, strong resonances during steady state operation can wear these components to the point of failure, leading to an unsafe situation that may force a plant to shut down. The purpose of this research is to...
    Resource Type:
    Masters Thesis
    Full Text:
    mirrored image-pair is used to observe this structure from two perspectives simultaneously, allowing for