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2003 | OriginalPaper | Buchkapitel

Elimination of First Order Errors in Time Dependent Shock Calculations

verfasst von : Malin Siklosi, Gunilla Kreiss

Erschienen in: Mathematical and Numerical Aspects of Wave Propagation WAVES 2003

Verlag: Springer Berlin Heidelberg

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First order errors downstream of shocks have been detected in computations with higher order shock capturing schemes in one and two dimensions. We use matched asymptotic expansions to analyze the phenomenon for one dimensional time dependent hyperbolic systems and show how to design the artificial viscosity term in order to avoid the first order error. Numerical computations verify that second order accurate solutions are obtained.

Metadaten
Titel
Elimination of First Order Errors in Time Dependent Shock Calculations
verfasst von
Malin Siklosi
Gunilla Kreiss
Copyright-Jahr
2003
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-55856-6_111

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