Index Catalog // ScholarsArchive@OSU

Ontologies to Support Repeatable and Valid Customer Requirements Generation

Creator:: Lemke, Mark T.
Abstract:: Due to the growing complexity, sophistication, and interconnectedness of present day engineered products and services, the use of ontologies in engineering design is becoming more widespread. An ontology provides a standardized way of describing concepts in a domain of interest and the relationships between these concepts to better understand the...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Mark T. Lemke for the

Describing Tsunami Inundation and Debris Motion using Optical Measurement Methods in a Large-Scale Wave Basin

Creator:: Rueben, Matthew Robert
Abstract:: This thesis consists of two papers in manuscript format. The first paper presents optical measurements of tsunami inundation through an urban waterfront in a laboratory wave basin. The physical model was constructed at 1:50 scale and was an idealization of the town of Seaside, Oregon. The paper presents an analysis...
Resource Type:: Honors College Thesis
Full Text:: Trial 99 at t=26.3s with calculated wave edge. Right: Time series of in-situ free surface elevation

Nonlinear model reduction using the group proper orthogonal decomposition method

Creator:: Dickinson, Benjamin T.
Abstract:: Proper orthogonal decomposition (POD) in conjunction with the Galerkin projection has been used as a model reduction technique for the tractable real-time control of high-dimensional systems. While POD based model reduction may improve the tractability of high-dimensional models, the nonlinear POD based model may be impractical for control due to...
Resource Type:: Masters Thesis
Full Text:: approximation to u(t,x) be written u(t,x) ≈ uN(t,x) = N∑ j=1 αj(t)βj(x), (2.13) where N is the number of

Detecting fluid flows with bioinspired hair sensors

Creator:: Dickinson, Benjamin T.
Abstract:: Many animals detect prey or enhance their locomotion with information from hair-like receptors that are activated by local fluid flows. The utility of biological hair receptors has motivated the design of artificial hair sensors (AHS) for flow control applications where aerodynamic or hydrodynamic forces play a significant role in the...
Resource Type:: Dissertation
Full Text:: . 5 THE DETECTION OF UNSTEADY FLOW SEPARATION WITH BIOINSPIRED HAIR-CELL SENSORS B. T. Dickinson, J

The fracture toughness of medium density fiberboard and other fiber bridging composites

Creator:: Matsumoto, Noah T.
Abstract:: In many composites, fiber bridging develops as part of the fracture process. Fiber bridging invalidates many toughness evaluation methods such as the ASTM E399 and complicates the identification of crack length, which is a necessary parameter in energy methods. In order to measure the toughness of fiber bridging composites, an...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Noah T. Matsumoto for the degree of Master of Science in

Quantification of total and plastic 3D strain fields within micro-damaged polyurethane foam

Creator:: Sutton, Matthew T.
Abstract:: Local material damage that occurs within cellular solids, such as polymer foams and trabecular bone, and precedes local fractures of the cell struts or walls is called micro-damage. The accumulation of micro-damage within cellular solids is often undesirable, although it is thought to be vital to the development and health...
Resource Type:: Masters Thesis
Full Text:: T. Sutton for the degree of Master of Science in Mechanical Engineering presented on December 9

Investigations into the effects of a vibrating meniscus on the characteristics of drop formation

Creator:: Lewis, Kevin T.
Abstract:: As drop-on-demand (DOD) applications continue to gain ground in desktop inkjet-printing, 3D printing, fluid mixing, and other areas the demand for higher frequency operations are beginning to push against the current physical boundaries in DOD technology. The current research is exploring the possibility of controlling drop volume and velocity at...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kevin T. Lewis for

Feasibility of Lorentz mixing to enhance combustion in supersonic diffusion flames

Creator:: Nahorniak, Matthew T.
Abstract:: The purpose of this research was to determine if it is feasible to apply Lorentz mixing to supersonic diffusion flames, such as those found in SCRAMjet engines. The combustion rate in supersonic diffusion flames is limited by the rate at which air and fuel mix. Lorentz mixing increases turbulence within...
Resource Type:: Masters Thesis
Full Text:: ) 2 ( dv du T = # 2 (2.10) 3 \ dy dx j 7 du dv\ Z (2.11) dx1(9Y The heat conduction terms

Experimental development and characterization of a small-scale planar flow casting (PFC) machine

Creator:: Smith, Mark T.
Resource Type:: Masters Thesis
Full Text:: AND CHARACTERIZATION OF A SMALL-SCALE PLANAR FLOW CASTING (PFC) MACHINE by Mark T. Smith A THESIS

Optical sensing and metrology for on-machine surface inspection in manufacturing processes

Creator:: Lee, Eddie T.
Abstract:: Optical sensing technologies are pivotal in the manufacturing process, specifically in defect detection, tool condition estimation, and monitoring. The research aims to enhance the accuracy, efficiency, and reliability of manufacturing metrology by employing optical sensing technologies, such as laser profilometers and image processing techniques. The dissertation proposes intelligent and flexible...
Resource Type:: Dissertation
Full Text:: in spatial domain Statistical features Definition Mean Gm = 1 NxNy Ny∑ j Nx∑ i |g(xi, yj

ScholarsArchive@OSU

Ontologies to Support Repeatable and Valid Customer Requirements Generation

Describing Tsunami Inundation and Debris Motion using Optical Measurement Methods in a Large-Scale Wave Basin

Nonlinear model reduction using the group proper orthogonal decomposition method

Detecting fluid flows with bioinspired hair sensors

The fracture toughness of medium density fiberboard and other fiber bridging composites

Quantification of total and plastic 3D strain fields within micro-damaged polyurethane foam

Investigations into the effects of a vibrating meniscus on the characteristics of drop formation

Feasibility of Lorentz mixing to enhance combustion in supersonic diffusion flames

Experimental development and characterization of a small-scale planar flow casting (PFC) machine

Optical sensing and metrology for on-machine surface inspection in manufacturing processes

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