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 70 for “"Validation Experiments"”.
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Application Model-Driven Resource Management
Validation experiments show that the prediction obtained through a model-driven approach results in combined user perceived performance guarantees and efficient utilization of resources.
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A large-deformation thermo-mechanically coupled elastic-viscoplastic theory for amorphous polymers : modeling of micro-scale forming and the shape memory phenomenon
… performed a variety of macro- and micro-scale validation experiments involving complex inhomogeneous deformations and thermal processing cycles. By comparing some key features, such as the experimentally-measured deformed shapes and the load-displacement curves from various validation …
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Development of a Microstructure-Level Finite Element Model for the Prediction of Tool Failure by Chipping in Tungsten Carbide-Cobalt Systems
… WC-Co grade design for the improved performance. Validation experiments demonstrated the efficacy of model predictions. The simulation results agreed well with the observation found in the past literature that fatigue strength increases in a non-linear fashion with increase of Co amount.
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Development and Validation of a Dynamic Vapor Sorption -Fast Gas Chromatography Method for Studying the Effects of Humidification and Temperature on Volatile Release From Amorphous Carbohydrate Glasses
… was performed on the results obtained from the validation experiments. The method was also used to analyze the physicochemical and kinetic changes that occur at various relative humidities and temperatures that initiate the volatile release from amorphous glasses.
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Modeling and Control of Batch Pulsed Top-spray Fluidized bed Granulation
… ratio and final granule moisture content. Validation experiments have shown the reliability and effectiveness of using the Box-Behnken experimental design method to study a fluidized bed granulation process. The one-dimensional population balance models (ODPBMs) have been developed to model …
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Design and calibration of a 2-axis haptic force feedback joystick
… joint mechanism was manufactured and preliminary validation experiments were performed. It was found that the joint mechanism accurately transmits forces proportional to the current applied to each drive motor and that the joystick mechanism developed in this thesis can be further validated and …
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Integrated perception and control at high speed
… integrated perception and control. Motivated by experiments in which the difficulty of accurate state estimation was a primary limitation on speed, our method forgoes maintaining a map in favor of using only instantaneous depth information in the local frame. This provides robustness in the …
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Modeling microwave heating of apple cylinders using hybrid mixture theory based transport equations coupled with Maxwell's laws of electromagnetism
… moisture and temperature within the sample. The validation experiments were conducted with a domestic microwave oven. The comparison of the moisture profiles obtained through simulations and experiments resulted in an average absolute difference value of 37.9%. For comparison of experimental and …
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Driver-gas Tailoring For Test-time Extension Using Unconventional Driver Mixtures
… technique to other configurations. Nonreacting validation experiments using driver mixtures identified from the tailoring curves were performed over a range of reflected-shock temperatures from approximately 800 to 1400 K, and some examples of ignition-time experiments that could not have …
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Quantitative Studies Defining the Cellular Composition of the Human Brain and Spinal Cord
… I first tested in a series of calibration and validation experiments whether the isotropic fractionator ("brain soup" method) yielded data equivalent to the conventional, and already validated, histology/stereology methods. When I found that differences between the new and the older methods did …
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Fault tolerance core: a framework for application-aware reliability
… signals has been implemented for performing validation experiments on the modules.
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Validation of a multiphase CFD model with mass transfer for xenon removal in molten salt reactor
… are discussed. The necessity of experimental validation and sensitivity studies is explained. Following this discussion, the details about the Eulerian-Eulerian two-fluid model and constitutive relations are presented. The detailed procedures and results of the three validation experiments are …
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Towards high-bandwidth scanning impedance imaging
… and modeling of the driven electrode arrays. Validation experiments to illustrate capacitive sensing ability are also performed. The system is able to identify surface topography, distinguish surface dielectrics from metals, and discern changes in bulk conductivity.
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Computational Fluid Dynamics Analysis in Support of the NASA/Virginia Tech Benchmark Experiments
… experimental data for turbulence modeling validation. Virginia Tech has joined NASA in a cooperative project to design and perform an experiment in the Virginia Tech Stability Wind Tunnel with the purpose of providing a benchmark set of data for the turbulence modeling community for the …
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Experimental and Numerical Investigation of Lauric Acid Melting at Suboptimal Inclines
<p>Validation experiments are the baseline for completing numerical studies for engineering design. Applications of the enthalpy-porosity model have expanded in research with the growth of new technologies such as metal additive manufacturing or the renewed interest in thermal energy storage for …
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14 MeV neutron generator dose modeling
… time and flux to predict a dose in millirem. Validation experiments were performed in the current setup using Landauer Luxel®+ with Neutrak dosimeters placed in strategic locations to record the neutron dose vi received as well as a Ludlum Model 42-41 PRESCILA neutron probe to predict dose …
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Microscale controlled continuous cell culture
… and cellular metabolic state. For such experiments to be feasible, continuous cultures are utilized to ensure consistent conditions. However, since medium must be replenished every cell doubling time, costs can be prohibitive in large reactors. An integrated microscale bioreactor with …
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Nonlinear Uncertainty Quantification, Sensitivity Analysis, and Uncertainty Propagation of a Dynamic Electrical Circuit
… statistically-based process for verification and validation of computational experiments is presented in this study. The process can be used to identify sources of uncertainty, quantify magnitudes of uncertainty, and propagate uncertainty through a model. Model form error was identified through …
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Information extraction to facilitate translation of natural language legislation
… collected and annotated for this project. Cross-validation experiments were conducted on this annotated data set, and the developed system was successful in identifying the underlying rule structure 43% of the time, and annotating the underlying tokens with recall of .66 and precision of .66. In …
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Flow patterns in upward two-phase flow in small diameter tubes
… the purposely-developed programs to control the experiments and collect and process the data. The methodology of the calibration and the uncertainty analysis, the problems encountered and their solutions and the single-phase validation experiments are also described. In this project we studied …
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