Index Catalog // ScholarsArchive@OSU

Modelling, validation and simulation of multi-degree-of-freedom nonlinear stochastic barge motions

Creator:: Bartel, Warren A.
Abstract:: Recent developments in estimation of the survivability of a U.S. Navy transport barge in random seas are extended to improve accuracy. The single Degree-of-Freedom (DOF) model of a extreme roll response of a barge used in previous research is replaced by a 3-DOF roll-heave-sway model to include linear and nonlinear...
Resource Type:: Masters Thesis
Full Text:: research assistantship throughout my stay at OSU. Thanks to Dr. Robert T. Hudspeth and Dr. Satish Reddy

The design of a single chip logic state analyzer

Creator:: Hung, Shih-chuan
Abstract:: This thesis describes the design of a single-chip logic analyzer. The utility of such a chip in measuring and recording digital system parameters is illustrated. Possibilities for future applications of this chip in performance monitoring of computer systems are discussed.
Resource Type:: Masters Thesis
Full Text:: guidance. Special thanks to Prof. S. John T. Owen and Prof. Robert J. Schultz for acting as my committee

Wave diffraction due to trenches and rubble

Creator:: Furukawa, Keizo
Abstract:: Two types of boundary element models are developed for the interaction of waves with trenches. The first type is for a two-dimensional domain in the horizontal plane and employs the linear long wave approximations. It is shown that appropriate selection of pit geometries leads to a significant reduction in wave...
Resource Type:: Masters Thesis

Finite element analysis of wave interference effects between large structures

Creator:: Huang, Min-chih
Abstract:: A numerical calculation procedure for the hydrodynamic interference effects between large multiple structures interacting with linear ocean waves is presented in this study. Viscous effects are neglected and the hydrodynamic pressure forces are assumed to be inertially dominated. A finite element method which incorporates radiation boundary dampers is adopted to...
Resource Type:: Dissertation
Full Text:: research. Acknowledgements must be made to other members of the thesis committe; including Dr. Robert T

Responses of forest understory plants to burial by volcanic tephra from Mount St. Helens, Washington

Creator:: Antos, Joseph A.
Abstract:: The effects of burial by tephra (volcanic aerial ejecta) on forest understory plants were examined northeast of Mount St. Helens, Washington, in the area where the 18 May 1980 eruption deposited tephra but did not destroy canopy trees. At six sites along a tephra depth gradient from 2-15 cm, understory...
Resource Type:: Dissertation
Full Text:: graduate committee: Drs. Peter S. Dawson, Jerry F. Franklin, Robert E. Frenkel, J. Herbert Huddleston

Smooth and roughened horizontal cylinders in periodic waves and current

Creator:: Teng, Chung-chu
Resource Type:: Dissertation
Full Text:: due to the members of the Graduate Committee: Dr. Robert T. Hudspeth; Dr. William G. McDougal; Dr

Isozymic and cytological studies on populations of the introduced bee species, Megachile (Eutricharaea) rotundata and M. (Eutricharaea) apicalis

Creator:: Chen, Xiaoshe
Abstract:: Thirteen New World populations of Megachile rotundata and M. apicalis and two Old World populations of M. rotundata were analyzed at 23 enzyme loci using cellulose acetate electrophoresis. Conventional and G- or C-banded karyotypes were also examined in these populations. The principal findings are (1) No differences were found in...
Resource Type:: Dissertation
Full Text:: of this dissertation. I thank Professors T. C. Allen of the Department of Botany and Plant Pathology

Nonlinear oscillations, bifurcations and chaos in ocean mooring systems

Creator:: Gottlieb, Oded
Abstract:: Complex nonlinear and chaotic responses have been recently observed in various compliant ocean systems. These systems are characterized by a nonlinear mooring restoring force and a coupled fluid-structure interaction exciting force. A general class of ocean mooring system models is formulated by incorporating a variable mooring configuration and the exact...
Resource Type:: Dissertation
Full Text:: committee: Dr. Ron B. Guenther, Dr. Robert T. Hudspeth, Dr. John W. Leonard and Dr. George W. Brown, for

Dependence of secondary structure of biopolymers on environment : a circular dichroism study of equivocal amino acid sequences in proteins and of left-handed DNA

Creator:: Zhong, Lingxiu
Resource Type:: Dissertation
Full Text:: appreciation is extended to the other members of my doctoral committee, Dr. Sonia R. Anderson, Dr. Robert R

Effects of growth retardant and nitrogen level on growth, development and yield of Yamhill wheat

Creator:: Nounamo, Laurent
Abstract:: Increases in wheat production due to breeding may be reaching a plateau. The application of N-fertilizer beyond optimum levels leads to lodging and to an increase in tiller death. The use of plant growth regulators (retardants) may be an answer for future increases in production. Experiments were conducted in 1983...
Resource Type:: Dissertation
Full Text:: , Dr. E.H. Gardner, Dr. Alvin R. Mosley, Dr. James A. Vomocil, and Dr. Robert C. Worrest for serving

ScholarsArchive@OSU

Modelling, validation and simulation of multi-degree-of-freedom nonlinear stochastic barge motions

The design of a single chip logic state analyzer

Wave diffraction due to trenches and rubble

Finite element analysis of wave interference effects between large structures

Responses of forest understory plants to burial by volcanic tephra from Mount St. Helens, Washington

Smooth and roughened horizontal cylinders in periodic waves and current

Isozymic and cytological studies on populations of the introduced bee species, Megachile (Eutricharaea) rotundata and M. (Eutricharaea) apicalis

Nonlinear oscillations, bifurcations and chaos in ocean mooring systems

Dependence of secondary structure of biopolymers on environment : a circular dichroism study of equivocal amino acid sequences in proteins and of left-handed DNA

Effects of growth retardant and nitrogen level on growth, development and yield of Yamhill wheat

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