Several viscous incompressible two and three-dimensional flows with strong inviscid interaction and/or axial flow reversal are considered with a segmented domain decomposition multigrid (SDDMG) procedure. Specific examples include the laminar flow recirculation in a trough geometry and in a three-dimensional step channel. For the latter case, there are multiple and three-dimensional recirculation zones. A pressure-based form of flux-vector splitting is applied to the Navier-Stokes equations, which are represented by an implicit, lowest-order reduced Navier-Stokes (RNS) system and a purely diffusive, higher-order, deferred-corrector. A trapezoidal or box-like form of discretization insures that all mass conservation properties are satisfied at interfacial and outflow boundaries, even for this primitive-variable non-staggered grid formulation. The segmented domain strategy is adapted herein for three-dimensional flows and is extended to allow for disjoint subdomains that do not share a common boundary.
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Segmented Domain Decomposition Multigrid Solutions for Two and Three-Dimensional Viscous Flows
Kumar Srinivasan
,
Kumar Srinivasan
Department of Aerospace Engineering and Engineering Mechanics, University of Cincinnati, Cincinnati, OH 45221
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Stanley G. Rubin
Stanley G. Rubin
Department of Aerospace Engineering and Engineering Mechanics, University of Cincinnati, Cincinnati, OH 45221
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Kumar Srinivasan
Department of Aerospace Engineering and Engineering Mechanics, University of Cincinnati, Cincinnati, OH 45221
Stanley G. Rubin
Department of Aerospace Engineering and Engineering Mechanics, University of Cincinnati, Cincinnati, OH 45221
J. Fluids Eng. Dec 1993, 115(4): 608-613 (6 pages)
Published Online: December 1, 1993
Article history
Received:
February 10, 1993
Revised:
April 21, 1993
Online:
May 23, 2008
Citation
Srinivasan, K., and Rubin, S. G. (December 1, 1993). "Segmented Domain Decomposition Multigrid Solutions for Two and Three-Dimensional Viscous Flows." ASME. J. Fluids Eng. December 1993; 115(4): 608–613. https://doi.org/10.1115/1.2910187
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