Artificial dissipation and accuracy downstream of slightly viscous shocks

Gunilla Efraimsson; Jan Nordström; Gunilla Kreiss

doi:10.2514/6.2001-2608

Artificial dissipation and accuracy downstream of slightly viscous shocks

Gunilla Efraimsson
, Jan Nordström
, Gunilla Kreiss

Swedish Defence Research Agency
KTH Royal Institute of Technology

Research output: Contribution to conference › Paper › peer-review

2 Citations (Scopus)

Abstract

First order errors downstream of shocks are detected in computations with second order shock capturing schemes. Based on a matched asymptotic expansion analysis we show how to modify the artificial viscosity and raise the order of accuracy.

Original language	English
DOIs	https://doi.org/10.2514/6.2001-2608
Publication status	Published - 2001
Externally published	Yes
Event	15th AIAA Computational Fluid Dynamics Conference 2001 - Anaheim, CA, United States Duration: 11 Jun 2001 → 14 Jun 2001

Conference

Conference	15th AIAA Computational Fluid Dynamics Conference 2001
Country/Territory	United States
City	Anaheim, CA
Period	11/06/01 → 14/06/01

ASJC Scopus subject areas

Fluid Flow and Transfer Processes
Energy Engineering and Power Technology
Aerospace Engineering
Mechanical Engineering

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10.2514/6.2001-2608

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title = "Artificial dissipation and accuracy downstream of slightly viscous shocks",

abstract = "First order errors downstream of shocks are detected in computations with second order shock capturing schemes. Based on a matched asymptotic expansion analysis we show how to modify the artificial viscosity and raise the order of accuracy.",

author = "Gunilla Efraimsson and Jan Nordstr{\"o}m and Gunilla Kreiss",

year = "2001",

doi = "10.2514/6.2001-2608",

language = "English",

note = "15th AIAA Computational Fluid Dynamics Conference 2001 ; Conference date: 11-06-2001 Through 14-06-2001",

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TY - CONF

T1 - Artificial dissipation and accuracy downstream of slightly viscous shocks

AU - Efraimsson, Gunilla

AU - Nordström, Jan

AU - Kreiss, Gunilla

PY - 2001

Y1 - 2001

N2 - First order errors downstream of shocks are detected in computations with second order shock capturing schemes. Based on a matched asymptotic expansion analysis we show how to modify the artificial viscosity and raise the order of accuracy.

AB - First order errors downstream of shocks are detected in computations with second order shock capturing schemes. Based on a matched asymptotic expansion analysis we show how to modify the artificial viscosity and raise the order of accuracy.

UR - https://www.scopus.com/pages/publications/85087189358

U2 - 10.2514/6.2001-2608

DO - 10.2514/6.2001-2608

M3 - Paper

AN - SCOPUS:85087189358

T2 - 15th AIAA Computational Fluid Dynamics Conference 2001

Y2 - 11 June 2001 through 14 June 2001

ER -

Artificial dissipation and accuracy downstream of slightly viscous shocks

Abstract

Conference

ASJC Scopus subject areas

Access to Document

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