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Modeling Artificial Boundary Conditions for Compressible Flow

Colonius, Tim (2004) Modeling Artificial Boundary Conditions for Compressible Flow. Annual Review of Fluid Mechanics, 36 . pp. 315-345. ISSN 0066-4189.

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We review artificial boundary conditions (BCs) for simulation of inflow, outflow, and far-field (radiation) problems, with an emphasis on techniques suitable for compressible turbulent shear flows. BCs based on linearization near the boundary are usually appropriate for inflow and radiation problems. A variety of accurate techniques have been developed for this case, but some robustness and implementation issues remain. At an outflow boundary, the linearized BCs are usually not accurate enough. Various ad hoc models have been proposed for the nonlinear case, including absorbing layers and fringe methods. We discuss these techniques and suggest directions for future modeling efforts.

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Colonius, Tim0000-0003-0326-3909
Additional Information:"Reprinted, with permission, from the Annual Review of Fluid Mechanics, Volume 36 copyright 2004 by Annual Reviews," I would like to thank Dr. Jeff Eldredge and Prof. Tom Hagstrom for their helpful comments on a draft of this paper. Much of it was written while I was on sabbatical at Cambridge University, and I am grateful to many colleagues there, particularly Prof. Ann Dowling, for their collaboration and hospitality during my visit.
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ID Code:322
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Deposited On:27 May 2005
Last Modified:02 Oct 2019 22:32

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