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 625 for “"axisymmetric"”.
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Axisymmetric Rayleigh-Benard convection
This thesis considers axisymmetric Rayleigh-Benard convection in an infinite horizontal layer of fluid heated from below major emphasis is placed on a study of the effect of rotation of the layer, where both the stationary and overstable cases are analysed. In Chapter 2, a numerical solution of the …
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Axisymmetric control in tokamaks
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1991.
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Spectrum of Turbulence in Axisymmetric Flow
Made available in DSpace on 2014-12-05T17:15:13Z (GMT). No. of bitstreams: 1 0010537.pdf: 13650180 bytes, checksum: fc05a92d0c06316fed10e5b584e7f639 (MD5) Previous issue date: 1954
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Axisymmetric control in Alcator C-Mod
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1995.
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Dynamic analysis of axisymmetric pile groups
Thesis: M.S., Massachusetts Institute of Technology, Department of Civil Engineering, 1983
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Axisymmetric and non-axisymmetric modes of instability for flow between rotating cylinders with a transverse pressure gradient
… investigations of this problem have assumed axisymmetric disturbances and that the critical mode of instability was of a stationary cellular motion. This investigation has not been restricted to this assumption but considered three conditions: (1) Assuming axisymmetric disturbances imposed on …
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Investigation of shell and axisymmetric shell structures
… stresses, frequencies and mode shapes of axisymmetric structures, C. E. G. B. pub. No. RD/L/P 9/77. 8. Nelson, R. L1., VACTILo2: a program to calculate the frequencies, mode shapes and stresses of shell structures, C. E. G. B. pub. No. RD/L/P /77. 9. Nelson, R. L1., Calculation of stresses …
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Three-Dimensional Non-Axisymmetric Anisotropic Stress Concentrations
… explicit analytical solutions for the (non-axisymmetric) first and second boundary value problems of elasticity theory for a spheroidal cavity embedded in a transversely isotropic medium are presented. The analysis is based upon solutions of the homogeneous displacement equations of …
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Axisymmetric theory and the interactive, asymmetric monsoon
The applicability of axisymmetric theory of angular momentum conserving circulations to the large-scale steady monsoon is studied in a general circulation model with idealized representations of continental geometry and simple physics. The axisymmetric theory is expanded to explain the location of …
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Mixing in axisymmetric gravity currents and volcanic conduits
… investigates the mixing of ambient fluid into axisymmetric high Reynolds number gravity currents. A series of laboratory experiments were conducted in which small scale gravity currents travelled along a wedge shaped channel with an increasing width in the downstream direction. The channel was …
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Simulation of axisymmetric stepped surfaces with a facet
… or elastic effects. This thesis focuses on axisymmetric crystals, with the result that the position of a step is uniquely described by a single scalar variable, and the step positions obey a coupled system of "step-flow" Ordinary Differential Equations (step flow ODEs). Chapter 2 of this …
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Numerical simulation of deceleration of an axisymmetric vortex
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1989.
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Nonlinear axial stiffness characteristics of axisymmetric bolted joints
… of substructures. The two-dimensional, axisymmetric finite element model includes bilinear gap elements to model the interfaces. Special orthotropic elements were used to model the bolt/nut thread interaction. A free-body-diagram approach was taken by applying loads to the outer diameter …
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Active Control of Coherent Structures in an Axisymmetric Jet
… certain jet velocity. This analysis considers an axisymmetric round jet at supersonic and subsonic speeds. Current studies are verified against previous low-order simulations conducted using Linearized Euler Equations (LEE), and compare qualitatively acheived noise reduction results against …
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The Blast Waves From Unconfined Axisymmetric Vapour-Cloud Explosions
… systematic study of the blast waves produced by axisymmetric detonation waves and constant velocity as well as accelerating deflagration waves propagating through homogeneous axisymmetric clouds whose energy density approximate that of a typical hydrocarbon-air mixture. The behavior of the blast …
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Fusion-Product Transport in Axisymmetric Tokamaks: Losses and Thermalization
High-energy fusion-product losses from an axisymmetric tokamak plasma are studied. Prompt-escape loss fluxes (i.e. prior to slowing down) are calculated including the non-separable dependence of flux as a function of poloidal angle and local angle-of-incidence at the first wall. The flux is …
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