Index Catalog // ScholarsArchive@OSU

Investigation of a hybrid quasi-diffusion/Monte Carlo method for solving multigroup criticality problems in slab geometry

Creator:: Robinson, Bethany R.
Abstract:: A hybrid Quasi-diffusion/Monte Carlo Method for solving multigroup criticality problems in slab geometry was investigated. Analog Monte Carlo was used to calculate functionals (Eddington Factors) that were then used in solution of the quasi-diffusion equations. The hybrid method was shown to accurately and precisely predict the k-eigenvalue and fission source...
Resource Type:: Masters Thesis
Full Text:: R. Robinson, Author ACKNOWLEDGEMENTS I would like to thank Dr. Todd Palmer for his help and

Predicting Thermal Conductivity in Nuclear Fuels using Rattlesnake-Based Deterministic Phonon Transport Simulations

Creator:: Harter, Jackson R.
Abstract:: The Boltzmann transport equation derived in the Self-Adjoint Angular Flux (SAAF) formulation is applied to simulate phonon transport. The neutron transport code Rattlesnake is leveraged in this fashion, slightly modi ed to accept input from variables consistent with phonon transport simulations. Several benchmark problems are modeled to assess the potential...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Jackson R. Harter for the degree

Evaluation of Shear Resistance of Reinforced Cob

Creator:: Britsch, Katherine R.
Abstract:: Cob, similar to adobe, is an earthen building material made of soil, sand, and straw. Although cob was used to build homes in England centuries ago, it has reemerged as a sustainable and relatively inexpensive, alternative building material. A possible solution for housing in impoverished nations, cob needs to be...
Resource Type:: Honors College Thesis

A Study of Artificial Neural Networks for the Solution of Multi-group Slab Geometry Discrete Ordinates Transport Problems with Material Heterogeneity

Creator:: Kumar, Ravi
Abstract:: In this thesis, we expand the scope of a previously introduced Artificial Neural Network (ANN) method to solve the slab-geometry discrete ordinates (S$_N$) neutron transport equations. Specifically, we extend the method to energy-dependent (multi-group) fixed source problems involving heterogeneous media and more general boundary conditions - vacuum and incident flux...
Resource Type:: Masters Thesis
Full Text:: Material Heterogeneity Abstract approved: Todd S. Palmer In this thesis, we expand the scope of a

GeoPost: An Army Installation GIS Cloud Management System for Facilities and Emergency Services

Creator:: Kaiser, Douglas M.
Abstract:: In the last couple years cloud services have become mainstream and easily accessible for organizations to purchase and utilize. GeoPost is a variant on that by introducing GIS to it cloud services for installation management. GeoPost takes the Microsoft Azure Cloud and using ESRI’s Enterprise builds a cloud GIS platform....
Resource Type:: Capstone Project
Full Text:: of Forestry, Oregon State University Dr. Todd Jarvis

An assessment of a mesh-based method for slab-geometry transport in stochastic materials

Creator:: Bassett, Brody R.
Abstract:: There exists a variety of methods to solve the radiation transport equation in stochastic materials, including the Levermore-Pomraning method and the atomic mix method, each of which is designed to replicate the results given by benchmarks with materials rearranged in a randomized fashion. While the atomic mix method is very...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Brody R. Bassett for the

An inherently parallel Monte Carlo linear systems solver applied to neutron diffusion equations

Creator:: Eccleston, Bradley R.
Abstract:: Linear solvers are often used to solve neutron diffusion problems. These tools have two significant shortcomings. First, parallel implementations provide only a modest speedup. The operations cannot be divided cleanly between processors. Second, for large matrices they can be very slow. Our primary goal is to find a new method...
Resource Type:: Masters Thesis
Full Text:: Applied to Neutron Diffusion Equations Redacted for privacy AN ABSTRACT OF THE THESIS OF Bradley R

Pair production treatments for deterministic pulse-height distribution simulations

Creator:: MacQuigg, Michael R.
Abstract:: This thesis presents methods for treating annihilation photon pairs in deterministic pulse height distribution (PHD) simulations. The methods are applied in PHD simulations for monoenergtic sources of 1.6 and 2.6 MeV photons incident on 5 and 10 cm 1-D slabs of germanium, sodium iodide, and lead and the results are...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Michael R. MacQuigg for the

Genomic Resource Development for European Hazelnut (Corylus avellana L.)

Creator:: Rowley, Erik R.
Abstract:: European hazelnut (Corylus avellana L.) is an important crop Oregon's Willamette Valley, producing 99% of the hazelnuts grown in North America and brings over US $60 million dollars to the region annually. Hazelnuts are rich in fiber and vitamins, as well in demand by consumers due to their popularity as...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Erik R. Rowley for the degree of Doctor of Philosophy in

The iterative thermal emission Monte Carlo method for thermal radiative transfer

Creator:: Long, Alex R.
Abstract:: For over 30 years, the Implicit Monte Carlo (IMC) method has been used to solve challenging problems in thermal radiative transfer. These problems are typically optically thick and di ffusive, as a consequence of the high degree of "pseudo-scattering" introduced to model the absorption and reemission of photons from a...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Alex R. Long for the degree of

ScholarsArchive@OSU

Investigation of a hybrid quasi-diffusion/Monte Carlo method for solving multigroup criticality problems in slab geometry

Predicting Thermal Conductivity in Nuclear Fuels using Rattlesnake-Based Deterministic Phonon Transport Simulations

Evaluation of Shear Resistance of Reinforced Cob

A Study of Artificial Neural Networks for the Solution of Multi-group Slab Geometry Discrete Ordinates Transport Problems with Material Heterogeneity

GeoPost: An Army Installation GIS Cloud Management System for Facilities and Emergency Services

An assessment of a mesh-based method for slab-geometry transport in stochastic materials

An inherently parallel Monte Carlo linear systems solver applied to neutron diffusion equations

Pair production treatments for deterministic pulse-height distribution simulations

Genomic Resource Development for European Hazelnut (Corylus avellana L.)

The iterative thermal emission Monte Carlo method for thermal radiative transfer

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