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 161 for “"model simulation"”.
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GPGPU-Enabled Physics Based Deformed Model Simulation
Computer simulation techniques are widely adopted nowadays in many areas like manufacturing, engineering, graphics, animation, virtual reality and so on. However, the standard finite element based simulation is notorious for its expensive computation. To address this challenge, I present a …
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Supporting design planning through process model simulation
Modelling and analysis of design processes is non-trivial and predicting the behaviour of such systems is especially challenging. Nonetheless, the effective planning of design projects is critical for many engineering companies. Based on the findings from a thorough literature review and an …
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Multi-model simulation-based optimization applied to urban transportation
… agencies often resort to the use of traffic simulation models to evaluate the impacts of changes in network design or network operations. They often have multiple traffic simulation tools that cover the network area where changes are to be made. Nonetheless, these multiple simulators may …
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Numerical Model Simulation of Offshore Flow During the Winter Season
… flux in coastal zones, adequate descriptive models of mesoscale coastal circulation and weather patterns demand high spatial resolution in the analysis of wind, temperature and moisture patterns. To obtain realistic concepts of offshore flow the sparse offshore data networks need to be …
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Non-Standard Fixed Hsla-V Military Bridge: Fabrication, Testing, and Model Simulation
… performed on the prototype. A finite element model has been created to duplicate the geometry and loading of the prototype. Test results have been obtained and analyzed for both the prototype and model. </p>
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An investigation of the development of supercells in the Indiana and Ohio tornado outbreak of 24 August 2016 using a WRF model simulation
… occurrence and because most convection-allowing models failed to predict it in this case, instead depicting a line of storms moving across the affected area. Three surface boundaries were present prior to and during the event. The first was an outflow boundary traced back to convection in …
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Convective Transport of Tropical Marine Boundary Layer Species into the Upper Troposphere and Relation to Species Lifetime: In Situ Measurements and Global Model Simulation
… In addition to observed data, we also examine simulations from the Whole Atmosphere Community Climate Model (WACCM) with artificial tracers with lifetimes similar to our observed trace gasses. The Community Atmosphere Model with chemistry (CAMchem) is also used. Modeled results fit well with …
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Implementing a treated wastewater recharge technique and reverse osmosis unit system for water sustainability
… unit. The dissertation considered two types of simulation models for the conceptual design system approach. These models are the lump model approach and the areal distribution model approach. The lump model approach was carried out through the construction of a simplified model approach …
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Evaluation of an eddy resolving HYCOM simulation in the South Atlantic Ocean
… remains under sampled over long time periods. Models form useful platforms for the wholistic study of such regions where long term datasets are not available. However, it is important to first gauge to what extent the model deviates from available observations. In a detailed analysis, this …
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Evolving air quality and impact of changing climate
… change using a suit of global climate chemistry model simulation using Community Earth System Model (CESM). The first phase of the research uses the global model simulation to investigate long-range transport of pollutants from North America to Pico Mountaintop Observatory (PMO) in the North …
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The Combined Effect of Ocean Acidification and Euthrophication on water pH and Aragonite Saturation State in the Northern Gulf of Mexico
… pH and aragonite saturation states. Data from a model simulation using data collected from the northern Gulf of Mexico indicates that eutrophication is contributing to acidification of subsurface waters and plays a larger role than acidification from atmospheric CO2 uptake. Furthermore, results …
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A micromachined silicon vibrating-beam angular rate sensor : a design and implementation study
… induced vibrations are discussed. A complete model for the mechanical and electrical components of the sensor is built in HSPICE and used to simulate the basic operation of the sensor. To improve the mismatch between beam resonant frequencies, a scheme of novel Concave Corner Compensation …
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Building blocks of a 250MHz bandwidth, 10-bit continuous-time delta-sigma analog to digital converter
… with a 32 oversampling rate based on the ideal model simulation in MATLAB. The transistor-level circuits are designed in a BiCMOS technology. The SQNR result is 63.3dB and the power is 140mW.
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Dynamics of storm tracks
… of a three-layer hemispheric linear-balanced model. We establish first how the instability properties of the relevant background circulation might be related to the observed storm tracks. We examine next how the topography could influence the local cyclogenesis. Finally, we investigate how the …
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Formation of ozone and growth of aerosols in young smoke plumes from biomass burning
… gases and aerosols. Regional and global-scale models of atmospheric chemistry and climate take estimates for these emissions and arbitrarily "mix" them into grid boxes with horizontal scales of 10-200 km. This procedure ignores the complex non-linear chemical and physical transformations that …
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Exploring the absorption properties and direct radiative impact of atmospheric carbonaceous aerosols
… thesis addresses this uncertainty by combining models and observations to better constrain the optical properties and radiative impact of carbonaceous aerosols. First, a global model simulation (GEOS-Chem) of BC is expanded to separately treat both the aging and physical properties of BC from …
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