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Steady state computations for wave propagation problems
KTH, Skolan för datavetenskap och kommunikation (CSC), Numerisk analys, NA.
1987 (engelsk)Inngår i: Mathematics of Computation, ISSN 0025-5718, E-ISSN 1088-6842, Vol. 49, 39-64 s.Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The behavior of difference approximations of hyperbolic partial differential equations as time t → ∞  is studied. The rate of convergence to steady state is analyzed theoretically and expe imentally for the advection equation and the linearized Euler equations. The choice of difference formulas and boundary conditions strongly influences the rate of convergence in practical steady state calculations. In particular it is shown that upwind difference methods and characteristic boundary conditions have very attractive convergence properties

sted, utgiver, år, opplag, sider
1987. Vol. 49, 39-64 s.
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URN: urn:nbn:se:kth:diva-90509DOI: 10.2307/2008249OAI: oai:DiVA.org:kth-90509DiVA: diva2:505750
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NR 20140805Tilgjengelig fra: 2012-02-24 Laget: 2012-02-24 Sist oppdatert: 2018-01-12bibliografisk kontrollert

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