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 199 for “"computer models"”.
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Culvert Hydraulics: Comparison of Current Computer Models
… using hand calculations. Fortunately, several computer programs are available to assist in analyzing culvert hydraulics, some of which include HY-8, Fish X-ing, Broken-back Culvert Analysis Program (BCAP), Hydraflow Express, Culvert Master, Culvert, and Hydrologic Engineering Center River …
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Computer models of the beam-plasma interaction.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1968. Ph.D.
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On Uncertainty Quantification for Systems of Computer Models
… processes are increasingly relying on the use of computer models as simulators of such processes. The challenge of using computer models for scientific investigation is that they are expensive in terms of computational cost and resources. However, the core methodology of fast statistical emulation …
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Optical signal processors: novel computer models and experiments
… signal processors are discussed and novel computer models for these configurations using Z-transform theory are presented. Lastly, experimental verification is presented of the rudimentary models and a unique approach is presented that will allow the creation of optical signal processors …
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Encapsulation of large scale policy assisting computer models
In the past two decades policy assisting computer models have made a tremendous impact in the analysis of national security issues and the analysis of problems in various government affairs. SURMAN (Survivability Management) is a policy assisting model that has been developed for use in national …
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Exponential Smoothing for Forecasting and Bayesian Validation of Computer Models
… We investigate three types of statistical models that have been found to underpin ES methods. They are ARIMA models, state space models with multiple sources of error (MSOE), and state space models with a single source of error (SSOE). We establish the relationship among the three classes …
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Using derivative information in the statistical analysis of computer models
Complex deterministic models are an important tool for studying a wide range of systems. Often though, such models are computationally too expensive to perform the many runs required. In this case one option is to build a Gaussian process emulator which acts as a surrogate, enabling fast prediction …
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Using computer models in directors and officers underwriting insurance negotiations
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1991.
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Comparison of computer models in forecasting hotel and motel guestroom supply
"Comparison of computer models in forecasting hotel and motel guestroom supply" developed a methodology for estimating guestroom supply. Several traditional forecasting models, including PLAN, were compared. The computer models were applied to Las Vegas, Nevada, using tourism and hospitality …
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Improvements to Airport Systems Capacity and Efficiency Using Computer Models and Tools
This thesis presents two aspects of air transportation systems, capacity and efficiency. The first study improved a runway capacity simulation model for estimating the capacity of airports under various conditions. The main contribution of this study was to develop a simulation model which is able …
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A theoretical framework for computer models of cooperative dialogue, acknowledging multi-agent conflict
… is a preliminary stage to the future building of computer models of cooperative dialogue for both HCI and DAI, which will therefore be more widely and generally applicable than those currently in existence. The theory of conflict and cooperation is expressed in the different patterns of mental …
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Accelerating Bayesian inference in computationally expensive computer models using local and global approximations
Computational models of complex phenomena are an important resource for scientists and engineers. However, many state-of-the-art simulations of physical systems are computationally expensive to evaluate and are black box-meaning that they can be run, but their internal workings cannot be inspected …
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Computer models for the design and optimization of a linear slot scanning mammography system
Includes abstract. Includes bibliographical references (p. 143-151).
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Mental models and computer models, design and evaluation of a computer-based learning environment for policy-making
Contains fulltext : mmubn000001_092115756.pdf (Publisher’s version ) (Open Access)
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A comparison of two computer models of sound propagation for a wedge shaped ocean over a penetrable bottom
… in a wedge shaped wave guide is examined. Two computer models, one using the method of images, the other using coupled normal modes, are compared. This comparison is over the benchmark wedge of the Acoustic Society of America. Three scenarios were examined: isovelocity water over a pressure …
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The use of three-dimensional computer-generated models for design presentations: implications for kitchen showroom displays
Computers are being used in interior design for space planning, drafting, and modeling. Advances in technology have made it possible to create graphic renderings and animations which enable designers and clients to “walk through” the designed space long before its construction. In kitchen showrooms …
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Modelling of Dynamic Computer Experiments with Both Qualitative and Quantitative Variables
Computer experiments are utilized as a popular tool of studying the relationship between responses and the factors that affect them. They are widely used in scientific researches and applications. Dynamic computer experiments refer to computer experiments with time-series responses. Different …
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An assessment of models and methodologies used in the design of detention facilities for small urban watersheds
… mainly through a detailed evaluation of computer models used to simulate rainfall and runoff processes. The EPA SWMM, HEC-I, and VTPSUHM are the computer models used in the analyses. Development of a watershed monitoring program on the Virginia Tech campus provided a foundation of gaged …
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Science as practice: a methodological critique and case study
… the application of these methodologies to the ’computer models of scientific discovery’ case (the case is of some interest because it is held to ’refute’ the possibility of the sort of analysis of scientific activities that Collins and Woolgar propose). I then use the material of the first two …
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