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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
241

A quantitative analysis of the physical mechanisms governing the life cycles of persistent flow anomalies

Evans, Katherine J. 05 1900 (has links)
No description available.
242

The Influence of Dust Devils on Martian Water Vapour Transport

Chen, Kuan-Chih Unknown Date
No description available.
243

Vortex dynamics and supercurrents in Bi-2212 superconducting single crystals and films

Ma, Rongchao Unknown Date
No description available.
244

An investigation of quasiperiodic structures in the vortical flow over Delta wing configuration

Hubner, James Paul 08 1900 (has links)
No description available.
245

An improved method of calculating the tip vortex geometry for hovering rotors

Samant, Satish Shripad 12 1900 (has links)
No description available.
246

Nonlinear systems in applied mathematics

May, Andrew January 2000 (has links)
No description available.
247

Vortex Methods for Fluid Simulation in Computer Graphics

Vines Neuwirth, Mauricio Alfredo 14 January 2013 (has links)
Fluid simulations for computer graphics applications have attracted the attention of many researchers and practitioners due to the enhanced realism that natural phenomena simulation adds to graphical applications. Vortex methods are receiving increasing attention from the computer graphics community for simple and direct modeling of complex flow phenomena such as turbulence. However, vortex methods have not been developed yet to the level of other techniques for fluid simulation in computer graphics. In this work we present a novel simulation framework to model inviscid flows using Lagrangian vortex particle methods. We introduce novel stable methods to solve the vorticity flow equations that produce highly detailed visual fluid simulations. We incorporate the full interplay of solids and fluids in our framework. The coupling between free-form solids, represented by arbitrary surface meshes and fluids simulated with vortex methods, leads to visually rich simulations. Previous vortex simulators only focus on modeling the solid as a boundary for the flow. We model solid boundaries using an extended potential flow at the solid surface coupled with a boundary layer simulation. This allows the accurate simulation of two processes of visual interest. The first is the introduction of surface vorticity in the main flow as turbulence (vortex shedding). The second is the motion of the solid induced by fluid forces, which is calculated from the dynamics of vorticity in the flow and the rate of vorticity creation at solid surfaces. We demonstrate high quality results of our methods simulating flows around solid objects and solid object propulsion due to flows. This work ameliorates one of the important omissions in the development of vortex methods for computer graphics, which is the simulation of two-way coupling of solids and fluids.
248

Studies of the vortex state in high-temperature superconductors

Knapp, Daniel. Kallin, Catherine. January 1900 (has links)
Thesis (Ph.D.)--McMaster University, 2006. / Supervisor: Catherine Kallin. Includes bibliographical references (p. 168-177).
249

Strong interactions between two co-rotating vortices in rotating and stratified flows /

Bambrey, Ross R. January 2007 (has links)
Thesis (Ph.D.) - University of St Andrews, May 2007.
250

Detection and analysis of separated flow induced vortical structures /

Snider, Stephen David Louis. January 1900 (has links)
Thesis (M.S.)--Oregon State University, 2008. / Printout. Includes bibliographical references (leaves 145-148). Also available on the World Wide Web.

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