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A direct one-step pressure actualization for incompressible flow with pressure Neumann condition

โœ Scribed by Elba Bravo; Julio R. Claeyssen; Rodrigo B. Platte


Book ID
104338830
Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
662 KB
Volume
103
Category
Article
ISSN
0377-0427

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โœฆ Synopsis


We develop a velocity-pressure algorithm, in primitive variables and finite differences, for incompressible viscous flow with a Neumann pressure boundary condition. The pressure field is initialized by least-squares and up-dated from the Poisson equation in one step without iteration. Simulations with the square cavity problem are made for several Reynolds numbers. We obtain the expected displacement of the central vortex and the appearance of secondary and tertiary eddies. Different geometry ratios and a 3D cavity simulation are also considered.


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Simulation in primitive variables of inc
โœ Julio R. Claeyssen; Rodrigo B. Platte; Elba Bravo ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 675 KB

A velocity-pressure algorithm, in primitive variables and finite differences, is developed for incompressible viscous flow with a Neumann pressure boundary condition. The pressure field is initialized by least-squares and updated from the Poisson equation in a direct weighted manner. Simulations wit