Index Catalog // ScholarsArchive@OSU

The analysis of directional wave spectra from current and pressure measurements

Creator:: Lin, Li-hwa
Abstract:: Directional wave spectra have been estimated in this study based upon simultaneous subsurface measurements of current and pressure. Two previously developed methods, the stochastic and deterministic approaches, have been reviewed and restudied. It is demonstrated by means of the Correlation Theorem that the stochastic and deterministic approaches are, under certain...
Resource Type:: Masters Thesis
Full Text:: . Robert E. Wilson and Dr. Edward H. Piepmeier for their participation as Graduate Committee. Financial

Ensemble-based data assimilation and depth inversion on the Kootenai River, ID, USA

Creator:: Landon, Kyle C.
Abstract:: Velocity measurements from drifter GPS records are assimilated and used in an ensemble-based inversion technique to extract the river bathymetry. The method is tested on a deep meandering reach and a shallow braided reach of the Kootenai River in Idaho, USA. The Regional Ocean Modeling System (ROMS) is used to...
Resource Type:: Masters Thesis
Full Text:: depths. J. Atmos. Oceanic Technol., (in press). Wilson, G. W., H. T. Ozkan-Haller, and R. A. Holman

Forces on a transverse circular cylinder in a steady uniform flow near a plane boundary

Creator:: Hafen, Blaine
Abstract:: An experimental study was conducted to determine the hydrodynamic forces on smooth and roughened circular cylinders as influenced by a nearby plane boundary. The ambient flow was perpendicular to the cylinder and parallel to the boundary. Measurements were taken in a water channel and a wind tunnel to obtain the...
Resource Type:: Masters Thesis
Full Text:: contact with the bottom. Cornish (9), Wilson and Caldwell (6), and Tavolacci (27) provided some data of

Dynamic response of an offshore structure to measured and simulated stochastic wave forces

Creator:: Grecco, Michael G.
Abstract:: The dynamic response of an offshore structure to measured and simulated stochastic wave forces is investigated. The theoretical nondeterministic analysis is performed in the frequency domain for a two-dimensional model. The ocean wave system is assumed to be a zero mean, stationary, ergodic Gaussian process described by a one-dimensional wave...
Resource Type:: Masters Thesis
Full Text:: Project R/CM/16 and National Science Foundation NSF ENG 75-10496. A portion of the computer time was

Pollution and tidal flushing predictions for Oregon's estuaries

Creator:: Choi, Byungho
Abstract:: The overriding goal of this study was to provide first order estimates of dilution and tidal flushing of waste discharges released hypothetically into various Oregon estuaries during critical low flows and tides. Causal relationships between discharged wastes and subsequent estuarine response were studied. Various approaches to determine the assimilative capacity...
Resource Type:: Masters Thesis
Full Text:: -river inflow net Outflow-'. (inflow) in the upper (lower) layer R river inflow S concentration or

A large scale model study of placed stone breakwaters

Creator:: DeBok, Donald H.
Abstract:: The results of three hydraulic model tests to evaluate the stability of a placed stone breakwater are presented and discussed. The prototype breakwater was designed to protect offshore power and port facilities in 60 feet of water and was tested at scale ratios of 1:10, 1:20, and 1:100. The armor...
Resource Type:: Masters Thesis
Full Text:: subscripts i and r refer to the incident and reflected waves, respectively. Any subsequent reflec- tion

Nonlinear dynamic response of cable/lumped-body system by direct integration with suppression

Creator:: Sun, Yang, 1959-
Resource Type:: Masters Thesis
Full Text:: . Wilson of Mechanical Engineering Department and Dr. Roy.C. Rathja of Electrical and Computer Engineering

Wave forces on a horizontal circular cylinder near a plane boundary

Creator:: Wright, James Christopher
Resource Type:: Masters Thesis
Full Text:: , the coefficient of drag is altered. For 0.1 e/D 1.7, as, defined in Figure 2, Wilson and Caldwell

The static and cyclic pullout behavior of plate anchors in fine saturated sand

Creator:: Petereit, Ralph A.
Abstract:: Anchors resistant to tensile loads are commonly used in civil engineering practice. Anchors in the marine environment are most frequently used for the mooring of vessels. Only recently, with the expansion of the offshore industry, has the need to develop more reliable anchor systems become necessary. Embedded plate anchors are...
Resource Type:: Masters Thesis
Full Text:: corners high lateral Capacity rrducrd lowering line dynamic tensions shallow burial r (j) Free fall

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:: . Thank you to Greg Wilson and Jeremy Mull for letting me ask lots of questions, especially my first year

ScholarsArchive@OSU

The analysis of directional wave spectra from current and pressure measurements

Ensemble-based data assimilation and depth inversion on the Kootenai River, ID, USA

Forces on a transverse circular cylinder in a steady uniform flow near a plane boundary

Dynamic response of an offshore structure to measured and simulated stochastic wave forces

Pollution and tidal flushing predictions for Oregon's estuaries

A large scale model study of placed stone breakwaters

Nonlinear dynamic response of cable/lumped-body system by direct integration with suppression

Wave forces on a horizontal circular cylinder near a plane boundary

The static and cyclic pullout behavior of plate anchors in fine saturated sand

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

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