Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 111 for “"deterministic model"”.
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Combining measurements with deterministic model outputs: predicting ground-level ozone
The main topic of this thesis is how to combine model outputs from deterministic models with measurements from monitoring stations for air pollutants or other meteorological variables. We consider two different approaches to address this particular problem. The first approach is by using the …
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A deterministic model for wear of piston ring and liner and a machine learning-based model for engine oil emissions
… requirements. More advanced data analytics and models connecting critical design and operating parameters to performance will help shorten the development lead time for more efficient and cleaner engines. This thesis work aims to model the engine wear during break-in and steady-state stages, …
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Developing an approach utilizing local deterministic analysis to predict the cycle friction of the piston ring-pack in internal combustion engines
… finish. A twin-land oil control ring (TLOCR) deterministic model was developed by Chen et al. and it helps the automotive companies investigate the effects of liner finish, rings, and lubricants on friction and oil control of the TLOCR [2]. This work focuses on application of the TLOCR model …
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The investigation of fire hazards in buildings using stochastic modelling
… as well as occupant egress. There are existing deterministic models for these. While deterministic models provide averages of a process, stochastic models give the broad spectrum of all possible scenarios of the process giving the distribution function. The spread of smoke was first modelled by …
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Crescimento da literatura brasileira de doença de Chagas: análise bibliométrica
… the works on Chagas' disease and the use of the deterministic model, verifying a growth of the literature after 1933.
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Optimization Models Addressing Emergency Management Decisions During a Mass Casualty Incident Response
… Using our operational research knowledge to model mass casualty incidents, we seek to provide solutions and insights for the emergency managers. This dissertation proposes a novel deterministic model to optimize the casualty transportation and treatment decisions in response to a MCI. This …
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Mechanistic Modeling of Biodiesel Production via Heterogeneous Catalysis
… alumina in a batch reactor was considered. The models of the reaction over the catalysts were developed in two parts. First, a kinetic study was performed using a deterministic model to develop a suitable kinetic expression; the related parameters were subsequently estimated by numerical …
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The conceptual analysis of a dynamic mathematical model for the estimation of the amino acid requirements for pigs from weaning to maturity
A deterministic model for the prediction of amino acid requirements of growing pigs was developed. Comparisons between model outputs and literature values indicated that the model adequately predicts amino acid requirements. During the development of the model, limitations in the literature were …
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Deterministic and stochastic modelling of a catalytic surface reaction
… importance both for chemical industry and as model systems for the study of pattern formation far from thermodynamic equilibrium. A reaction that has been investigated extensively in experiments is the oxidation of carbon monoxide on platinum.In the present work we first develop a mathematical …
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Consumer Choice Among Durables: A Random Utility Model and an Application to Brazilian Households
… cannot be satisfactorily accommodated by models directly derived from the conventional, deterministic model. This study proposes an axiomatic and probabilistic framework for modelling consumer choice preferences among durables in the market and discusses its theoretical properties. The …
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A study of statistical and deterministic models for the prediction of the composition of a mixture
… is a study of various physical and statistical models which may be useful for the prediction of the composition of a ternary liquid mixture. The particular mixture considered in this study was the solvent system consisting of nitroglycerine (NG), 2-nitrodiphenylamine (2NDPA), and triacetin (TA). …
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Three Studies in International Macroeconomics
The first study examines a continuous time deterministic model of a small open economy with flexible exchange rates, perfectly integrated bonds market, and perfect foresight. The price of domestic goods is assumed sluggish relative to the exchange rate which adjusts instantaneously. We introduce a …
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Cost Optimization Modeling for Airport Capacity Expansion Problems in Metropolitan Areas
… this research was to develop a cost optimization model to identify an optimal solution to expand airport capacity in metropolitan areas in consideration of demand uncertainties. The study first analyzed four airport capacity expansion cases from different regions of the world to identify possible …
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Impact of Specification Changes on Chloride Induced Corrosion Service Life of Virginia Bridge Decks
A model to determine the time to first repair and subsequent rehabilitation of concrete bridge decks exposed to chloride deicer salts that recognizes and incorporates the statistical nature of factors affecting the corrosion process is developed. The model expands on an existing deterministic model …
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A Comparison of Deterministic and Stochastic Population Models
… the exponential and the predator-prey population models. A comparison of the deterministic and stochastic versions of each is made. The author shows that on average a stochastic model is precisely its corresponding deterministic model. The first model considered is the exponential model. A …
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Computer simulation and analysis of production line with two unreliable full batch machines and a finite buffer
This paper investigates computer simulations of deterministic and exponential models of a production line with full-batch processing and a finite buffer in order to validate the theoretical models already developed, and to gain more insight to the production line behavior through the simulations. …
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The stochastic air traffic flow management rerouting problem
We formulate a model for planning the rerouting of aircraft to alleviate en-route congestion, with system capacity being modeled stochastically. To overcome problems with tractability, we apply a Dantzig-Wolfe decomposition and present an efficient method for solving it. The decomposed formulation …
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Development of models for optimal road maintenance fund allocation : A case of Ghana
… development of an optimal road fund allocation model for road maintenance to three road agencies in Ghana. The objective was to compare a novel model by multicriteria analysis (MCA) with deterministic outcome and a model based on preferential analysis to determine optimality. The deterministic …
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