Index Catalog // ScholarsArchive@OSU

From Functional Modeling to Optimization : Risk and Safety in the Design Process for Large-Scale Systems

Creator:: McIntire, Matthew G.
Abstract:: In order to more effectively design large, complex systems, risk must be accounted for throughout the design process. A systematic way to account for risk is by using system model simulation. During the conceptual design phase, functional models can be drawn to help the engineer design their system's functional architecture....
Resource Type:: Dissertation
Full Text:: : From Functional Modeling to Optimization: Risk and Safety in the Design Process for Large-Scale Systems

Ruin Problems with Risky Investments

Creator:: Loke, Sooie-Hoe
Abstract:: In this dissertation, we study two risk models. First, we consider the dual risk process which models the surplus of a company that incurs expenses at a constant rate and earns random positive gains at random times. When the surplus is invested in a risky asset following a geometric Brownian...
Resource Type:: Dissertation
Full Text:: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2. CLASSICAL DUAL RISK MODEL

Renewal risk processes with stochastic returns on investments : a unified approach and analysis of the ruin probabilities

Creator:: Constantinescu, Corina D.
Abstract:: This thesis considers one of the classical problems in the actuarial mathematics literature, the decay of the probability of ruin in the collective risk model. The claim number process N(t) is assumed to be a renewal process, the resulting model being referred as the Sparre Andersen risk model. The inter-claim...
Resource Type:: Dissertation
Full Text:: referred as the Sparre Andersen risk model. The inter-claim times form a sequence of independent

Feed-and-bleed transient analysis of OSU APEX facility using the modern Code Scaling, Applicability, and Uncertainty method

Creator:: Hallee, Brian Todd
Abstract:: The nuclear industry has long relied upon bounding parametric analyses in predicting the safety margins of reactor designs undergoing design-basis accidents. These methods have been known to return highly-conservative results, limiting the operating conditions of the reactor. The Best-Estimate Plus Uncertainty (BEPU) method using a modernized version of the Code-Scaling,...
Resource Type:: Masters Thesis
Full Text:: . . . . . . . . . . . . . . . . . . . . . . . . . . 58 6 Overview of Virtual APEX Nodalization and Job Stream 60 6.1 APEX Rev. 2b RELAP5 Mod 3.3 Model

A comparison of deterministic and probabilistic radiation dose assessments at three fictitious ¹³⁷Cs contaminated sites in California, Colorado, and Florida

Creator:: Brock, Terry A.
Abstract:: Two methods of radiation dose assessment were evaluated for the Cs-137 in soil ⇒ leafy vegetable ⇒ human consumption exposure pathway at three fictitious contaminated sites in California, Colorado, and Florida. An annual dose equation was developed and per USEPA risk assessment guidelines, traditional, single point annual dose estimates were...
Resource Type:: Masters Thesis
Full Text:: developed and per USEPA risk assessment guidelines, traditional, single point annual dose estimates were

Sensitivity of the stock synthesis assessment model : a simulation approach

Creator:: Yin, Yanshui
Abstract:: Stock assessments for many U.S. Pacific coast groundfish stocks are developed using the catch-at-age method known as Stock Synthesis. In this work a simulation package was developed and used to evaluate the sensitivity of the Stock Synthesis program. More specifically, the evaluation focused on the impacts of input data errors...
Resource Type:: Dissertation
Full Text:: Stock Synthesis Assessment Model: a Simulation Approach. Abstract approved: David B. Sampson Stock

Evaluating the data-poor fishery stock assessment method, DB-SRA

Creator:: Owashi, Brandon R.
Abstract:: Depletion-Based Stock Reduction Analysis (DB-SRA; Dick and MacCall, 2011) is a catch-only fisheries stock assessment model that has been developed to estimate an overfishing limit (OFL) in data-poor situations. DB-SRA projects the biomass trajectories of a stock by means of a catch time series and five parameters: the instantaneous, per...
Resource Type:: Masters Thesis
Full Text:: ) is a catch-only fisheries stock assessment model that has been developed to estimate an overfishing

Stock Synthesis Assessments of Spatially Structured Fish Populations with an Environmental Driver on Recruitment Distribution : A Simulation Study and Discussion

Creator:: Denson, LaTreese S.
Abstract:: Stock assessments use statistical models and empirical data to re-create the population dynamics of a stock in order to provide estimates of biomass and fishing mortality rates to inform fisheries management. Fish stocks are not uniformly distributed across spatial regions, but stock assessments typically ignore stock spatial structure, for the...
Resource Type:: Masters Thesis
Full Text:: assessment software. An operating model is used to simulate fish population dynamics influenced by spatial

Planning Under Uncertainty for Unmanned Aerial Vehicles

Creator:: Skeele, Ryan
Abstract:: Unmanned aerial vehicle (UAV) technology has grown out of traditional research and military applications and has captivated the commercial and consumer markets, showing the ability to perform a spectrum of autonomous functions. This technology has the capability of saving lives in search and rescue, fighting wildfires in environmental monitoring, and...
Resource Type:: Masters Thesis
Full Text:: , exploration with unreliable communication, and risk-aware path planning. We use a realistic fire simulation

ScholarsArchive@OSU

From Functional Modeling to Optimization : Risk and Safety in the Design Process for Large-Scale Systems

Ruin Problems with Risky Investments

Renewal risk processes with stochastic returns on investments : a unified approach and analysis of the ruin probabilities

Feed-and-bleed transient analysis of OSU APEX facility using the modern Code Scaling, Applicability, and Uncertainty method

A comparison of deterministic and probabilistic radiation dose assessments at three fictitious ¹³⁷Cs contaminated sites in California, Colorado, and Florida

Sensitivity of the stock synthesis assessment model : a simulation approach

Evaluating the data-poor fishery stock assessment method, DB-SRA

Stock Synthesis Assessments of Spatially Structured Fish Populations with an Environmental Driver on Recruitment Distribution : A Simulation Study and Discussion

Planning Under Uncertainty for Unmanned Aerial Vehicles

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