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 997 for “"Numerical Model"”.
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Snowflake aggregation--a numerical model,
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1968.
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Numerical Model Studies of Enhanced Geothermal Systems
… a long life span of the reservoir. It is where numerical simulation models are used as reservoir performance predictive tools to find these parameters. A benchmark problem for the Fenton Hill Phase I EGS was numerically simulated as the first task with four runs contemplating a single planar …
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Two fluid numerical model for coastal applications
… air-water mixture. The recent advancement of numerical models has given valuable insights in the knowledge of wave transformation and interaction with coastal structures. Among these models, some solve the RANS equations coupled with a free-surface tracking algorithm and describe velocity, …
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A numerical model for the thermohaline circulation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric and Planetary Sciences, 1985.
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Arctic Ocean circulation in an idealized numerical model
… general Arctic circulation using an idealized numerical model consisting of a circular basin with two channels acting as inflow and outflow. We analyze the circulation (direction, strength and sensitivity) for wind forcing with and without bathymetry (ridges), and with and without …
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Arctic Ocean circulation in an idealized numerical model
… general Arctic circulation using an idealized numerical model consisting of a circular basin with two channels acting as inflow and outflow. We analyze the circulation (direction, strength and sensitivity) for wind forcing with and without bathymetry (ridges), and with and without …
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A numerical model of unsteady, subsonic aeroelastic behavior
… taken into account; hysteresis is predicted. Two models are used to demonstrate the technique: a rigid wing on an elastic support experiencing plunge and pitch about the elastic axis, and an elastic wing rigidly supported at the root chord experiencing spanwise bending and twisting. The method can …
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Rain Induced Runoff Simulation Using A 2D Numerical Model
… and surface retention. In this study, CCHE2D, a numerical model for free surface flow hydrodynamics, is applied to study the rain induced runoff and channel flow mixed problems. The main goal of this study is to incorporate rainfall as an input into the existing free surface flow model, CCHE2D; …
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A numerical model for the aggregation of snow crystals.
Massachusetts Institute of Technology. Dept. of Meteorology. Thesis. 1966. M.S.
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Spontaneous tropical cyclogenesis in a cloud revolving numerical model
… cyclogenesis occurring in a cloud-resolving numerical model is studied. The model environment is one of radiative convective-equilibrium on an f-plane with doubly periodic boundary conditions and constant sea surface temperature. While a variety of initial conditions may exhibit spontaneous …
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A Numerical Model of a Microwave Heated Fluidized Bed
This proposes a model for a microwave heated fluidized bed by ceramic pellets to highlight the possibility to obtain a temperature gradient between the gas and the pellets. After a review of the recent work on microwave effects on chemical reactions, a short description of fluidization is given for …
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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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A two-mode numerical model with applications to coastal upwelling
A first picture of the Agulhas current is obtained from data of the Quasi synoptic Agulhas current cruise of March 1969. Reinterpretation of other hydrographic data was possible in the light of the 1969 cruise and the information obtained from satellite tracked buoys. For the 1969 cruise …
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A simple numerical model of the dynamics of the thermosphere
Massachusetts Institute of Technology. Dept. of Meteorology. Thesis. 1967. M.S.
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Experimental and numerical model studies of frictional instability seismic sources
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1986.
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Field observations and numerical model simulations of a migrating inlet system
… 2.5 km in ~7 years. A field-verified Delft3D numerical model developed for this system is used to examine the hydrodynamics in the nearshore and their effect on the migrating inlet. An initial numerical experiment showed that the observed 70⁰ tidal modulation of wave direction in the nearshore …
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Numerical Model for the Lateral Compression Response of a Plastic Cup
A numerical analysis based on the finite element method is developed to simulate the mechanical response of a typical sixteen-ounce plastic drink cup subjected to a lateral compressive load. The aim of the analysis is to simulate a test in which the cup is supported horizontally in a fixture on a …
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A two-dimensional numerical model of the high electron mobility transistor
A two-dimensional numerical model of the high electron mobility transistor (HEMT) with consideration of quantization in the channel is presented. In this model, the spatial spread of the electron concentration in the quantum well normal to the heterojunction is taken into consideration by solving …
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A numerical model study of the stratocumulus-topped marine boundary layer
A one-dimensional model with second order turbulence closure has been developed and used to investigate processes in the cloud-topped marine atmospheric boundary layer. Model developments were required to correctly apply surface flux terms near the sea surface, poor representation of which is …
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