Index Catalog // ScholarsArchive@OSU

Implementation and evaluation of a participating media radiation model in the TEMPEST thermal-hydraulic computer code

Creator:: Rector, David R.
Abstract:: In this work, a method for solving the differential form of the radiative transfer equation was implemented into an existing three-dimensional thermal-hydraulic computer program known as TEMPEST. The method used was the P-l approximation, where the angular distribution of the radiation intensity is represented by a truncated series of spherical...
Resource Type:: Masters Thesis
Full Text:: . Smith, for their helpful suggestions. Special thanks goes to those who gave me valuable technical

Response of guyed offshore towers to stochastic loads in the presence of steady current

Creator:: Brynjolfsson, Sigurdur
Abstract:: The validity of the widely used stochastic linearization method for analysing the response of guyed towers to stochastic loads is investigated. The governing equations of a guyed tower have two main sources of nonlinearities, fluid-structure interaction and the restoring force of the cables. In this study, two models are considered....
Resource Type:: Dissertation
Full Text:: . Robert E. Wilson and Charles E. Smith for their advice and encouragement during the course of this work

Elastodynamic analysis of a propagating finite crack in a micropolar elastic solid

Creator:: Han, Seog-young
Abstract:: A dynamic propagation of a finite crack of opening mode in a micropolar elastic solid was investigated. By using an integral transform method, a pair of twodimensional singular integral equations governing stress and couple stress was formulated in terms of the displacement transverse to the crack, macro- and microrotations, and...
Resource Type:: Dissertation
Full Text:: knowledgeable, kind and helpful advisors. I would also like to express my appreciation to Dr. Charles E. Smith

Kinematic analysis of legged system locomotion on smooth horizontal surfaces

Creator:: Baek, Yoon Su
Abstract:: This thesis presents a model of legged locomotion in which position and velocity of body are directly controlled by positions and velocities of feet. One central relationship between foot acceleration, leg stroke and body velocity is developed. Procedures for determining all parameters of a step sequence including periods of constant...
Resource Type:: Dissertation
Full Text:: would like to thank my committee members, Dr. Andrzej Olas, Dr. Charles E. Smith, Dr. Alan H. Robinson

Dynamic finite element analysis of micropolar elastic materials

Creator:: Kim, Jong-bum, 1960-
Abstract:: In granular or fibrous materials, in which the dimensions of the internal structure can be of the same order of magnitude as major flaws or holes, classical elasticity theory does not consistently provide accurate models of the large stress gradients that may develop. With the incorporation of additional rotational degrees...
Resource Type:: Dissertation

Development of acoustic emissions testing procedures applicable to conventionally reinforced concrete deck girder bridges subjected to diagonal tension cracking

Creator:: Lovejoy, Steven C.
Abstract:: A need exists to develop a non-destructive testing technique that can identify the formation and propagation of diagonal tension cracks in conventionally steel reinforced concrete deck girder (RCDG) highway bridges in the State of Oregon. Such a technique could be included into a structural health monitoring (SHM) system installed on...
Resource Type:: Dissertation

Optimal design of traction drive continuously variable transmissions

Creator:: Lim, Kyoung Ho
Abstract:: The optimal design technique for minimum power loss in traction drive continuously variable transmissions is developed. The mathematical model is developed to evaluate the traction force and torque in traction drive contact. Kinematic analysis of general traction drive contact is conducted to find the best configuration for minimum power loss....
Resource Type:: Dissertation

Structural analysis of symmetrical penstock bifurcations by the finite element method

Creator:: Shugar, T. A.
Abstract:: A need has existed for an in-depth structural analysis of penstock bifurcations because they form an integral part of hydroelectric power plants. Their geometrical complexity has prevented classical structural analysis from providing an accurate and overall picture of the stresses in the structure. Digital computers and the development of finite...
Resource Type:: Dissertation
Full Text:: committee; John Peterson, Charles E. Smith, Solon A. Stone and William M. Stone. Finally, the author would

Numerical study of natural convection in square partitioned and non-partitioned enclosures

Creator:: Sukkaset, Prasart
Abstract:: Heat transfer characteristics and associated temperature and flow fields for natural convection in two-dimensional, square, partitioned and non-partitioned enclosures have been determined for Grashof numbers ranging from 10³ to 10⁶. The vertical side walls of the enclosure are isothermal with all other surfaces assumed to be adiabatic. An adiabatic partition...
Resource Type:: Dissertation
Full Text:: , Professor Charles E. Smith, Professor Timothy C. Kennedy and Professor Harold I. Laursen, for their time

Robust controller design for robotic manipulators with saturation

Creator:: Liang, Zuyang
Abstract:: The development of modern industries calls for the robotic manipulators with high speed and accurate tracking performance. Many authors have paid attention to robust control of robotic manipulators; however, only few authors have also considered the control problem of manipulators with power limitation. In this dissertation, the robotic manipulator is...
Resource Type:: Dissertation
Full Text:: . Charles E. Smith, Prof. Timothy C. Kennedy, Prof. Alan H. Robinson and Prof. David G. Ullman for their

ScholarsArchive@OSU

Implementation and evaluation of a participating media radiation model in the TEMPEST thermal-hydraulic computer code

Response of guyed offshore towers to stochastic loads in the presence of steady current

Elastodynamic analysis of a propagating finite crack in a micropolar elastic solid

Kinematic analysis of legged system locomotion on smooth horizontal surfaces

Dynamic finite element analysis of micropolar elastic materials

Development of acoustic emissions testing procedures applicable to conventionally reinforced concrete deck girder bridges subjected to diagonal tension cracking

Optimal design of traction drive continuously variable transmissions

Structural analysis of symmetrical penstock bifurcations by the finite element method

Numerical study of natural convection in square partitioned and non-partitioned enclosures

Robust controller design for robotic manipulators with saturation

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