Absorbing boundary technique for open channel flows

Scott A. Yost; Prasada Rao; Russell M. Brown

doi:10.1002/1097-0363(20000715)33:5<641::AID-FLD21>3.0.CO;2-Y

Absorbing boundary technique for open channel flows

Scott A. Yost, Prasada Rao, Russell M. Brown

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

An absorbing boundary condition is formulated and applied to the one-dimensional open channel flow equations in conjunction with an explicit MacCormack scheme. The physical flow domain has been truncated by introducing an artificial pseudo-boundary. By using an appropriate boundary condition on a truncated domain, it is shown that, for flow containing shocks, the solution can be accelerated to its stationary profile with no loss of accuracy. Copyright (C) 2000 John Wiley and Sons, Ltd.

Original language	English
Pages (from-to)	641-656
Number of pages	16
Journal	International Journal for Numerical Methods in Fluids
Volume	33
Issue number	5
DOIs	https://doi.org/10.1002/1097-0363(20000715)33:5<641::AID-FLD21>3.0.CO;2-Y
State	Published - Jul 2000

Keywords

Non-reflecting boundary
Open channel flows
Shocks
Subcritical/supercritical flow

ASJC Scopus subject areas

Computational Mechanics
Mechanics of Materials
Mechanical Engineering
Computer Science Applications
Applied Mathematics

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10.1002/1097-0363(20000715)33:5<641::AID-FLD21>3.0.CO;2-Y

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AU - Yost, Scott A.

AU - Rao, Prasada

AU - Brown, Russell M.

PY - 2000/7

Y1 - 2000/7

N2 - An absorbing boundary condition is formulated and applied to the one-dimensional open channel flow equations in conjunction with an explicit MacCormack scheme. The physical flow domain has been truncated by introducing an artificial pseudo-boundary. By using an appropriate boundary condition on a truncated domain, it is shown that, for flow containing shocks, the solution can be accelerated to its stationary profile with no loss of accuracy. Copyright (C) 2000 John Wiley and Sons, Ltd.

AB - An absorbing boundary condition is formulated and applied to the one-dimensional open channel flow equations in conjunction with an explicit MacCormack scheme. The physical flow domain has been truncated by introducing an artificial pseudo-boundary. By using an appropriate boundary condition on a truncated domain, it is shown that, for flow containing shocks, the solution can be accelerated to its stationary profile with no loss of accuracy. Copyright (C) 2000 John Wiley and Sons, Ltd.

KW - Non-reflecting boundary

KW - Open channel flows

KW - Shocks

KW - Subcritical/supercritical flow

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M3 - Article

AN - SCOPUS:0034235707

SN - 0271-2091

VL - 33

SP - 641

EP - 656

JO - International Journal for Numerical Methods in Fluids

JF - International Journal for Numerical Methods in Fluids

IS - 5

ER -

Absorbing boundary technique for open channel flows

Abstract

Keywords

ASJC Scopus subject areas

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