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Meshless Direct Numerical Simulation Of Turbulent Incompressible Flows, Andres Vidal Urbina
Meshless Direct Numerical Simulation Of Turbulent Incompressible Flows, Andres Vidal Urbina
Electronic Theses and Dissertations
A meshless direct pressure-velocity coupling procedure is presented to perform Direct Numerical Simulations (DNS) and Large Eddy Simulations (LES) of turbulent incompressible flows in regular and irregular geometries. The proposed method is a combination of several efficient techniques found in different Computational Fluid Dynamic (CFD) procedures and it is a major improvement of the algorithm published in 2007 by this author. This new procedure has very low numerical diffusion and some preliminary calculations with 2D steady state flows show that viscous effects become negligible faster that ever predicted numerically. The fundamental idea of this proposal lays on several important inconsistencies …