Investigation of the use of Prandtl/Navier--Stokes equation procedures for two-dimensional incompressible flows

Journal Article · Fri Jul 01 00:00:00 EDT 1994 · Physics of Fluids; (United States)

DOI:https://doi.org/10.1063/1.868187· OSTI ID:7050804

Anderson, C R ^[1]; Reider, M B ^[2]

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1. IBM Research Division, T. J. Watson Research Center, Yorktown Heights, New York 10598 (United States)
2. Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)

The technique of combining solutions of the Prandtl equations with solutions of the Navier--Stokes equations to compute incompressible flow around two-dimensional bodies is investigated herein. Computational evidence is presented which shows that if the obvious'' coupling is used to combine the solutions, then the resulting solution is not accurate. An alternate coupling procedure is described which greatly improves the accuracy of the solutions obtained with the combined equation approach. An alternate coupling that can be used to create a more accurate vortex sheet/vortex blob method is then shown.

• OSTI ID: 7050804
• Journal Information: Physics of Fluids; (United States), Vol. 6:7; ISSN 1070-6631
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
INCOMPRESSIBLE FLOW
NAVIER-STOKES EQUATIONS
AERODYNAMICS
BOUNDARY LAYERS
FINITE DIFFERENCE METHOD
LAMINAR FLOW
NUMERICAL SOLUTION
TWO-DIMENSIONAL CALCULATIONS
VORTEX FLOW
VORTICES
CALCULATION METHODS
DIFFERENTIAL EQUATIONS
EQUATIONS
FLUID FLOW
FLUID MECHANICS
ITERATIVE METHODS
LAYERS
MECHANICS
PARTIAL DIFFERENTIAL EQUATIONS
661300* - Other Aspects of Physical Science- (1992-)