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A hybrid scheme for the numerical simulation of shock/discontinuity problems
Mahmoudnejad, Niloufar Hoffmann, Klaus A.
Mahmoudnejad, Niloufar
Hoffmann, Klaus A.
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Authors
Mahmoudnejad, Niloufar
Hoffmann, Klaus A.
Hoffmann, Klaus A.
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Original Date
Digitization Date
Issue Date
2011
Type
Article
Genre
Keywords
Weighted compact scheme,WENO,ACM filter,Shock capturing,Shock–vortex interaction,Shock–shear layer interaction,Shock–entropy interaction,Shock tube
Subjects (LCSH)
Citation
Mahmoudnejad, N., and K.A. Hoffmann. 2011. "A hybrid scheme for the numerical simulation of shock/discontinuity problems". INTERNATIONAL JOURNAL OF COMPUTATIONAL FLUID DYNAMICS. 25 (9): 469-486.
Abstract
To address accuracy issues for direct numerical simulation, a hybrid scheme based on the weighted compact scheme (WCS) and weighted essentially non-oscillatory (WENO) scheme is developed. The new hybrid method incorporates the advantages of both schemes. Time integration is performed using the fourth-order total variation diminishing Runge–Kutta method with a characteristic filter. The accuracy of the scheme is assessed using several benchmark problems. Results show that the proposed scheme produces a more accurate solution for problems involving shocks and discontinuities in comparison with the traditional shock-capturing methods.
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Publisher
Taylor & Francis
Journal
Book Title
Series
International Journal of Computational Fluid Dynamics;2011:, v.25, no.9
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PubMed ID
DOI
ISSN
1061-8562
1029-0257
1029-0257