Smoothness monitors for compressible flow computation [electronic resource].

Published: Washington, D.C. : United States. Dept. of Energy, 2008.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description: PDF-file: 11 pages; size: 0.7 Mbytes
Additional Creators: Lawrence Berkeley National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary

In [SY04, YS07] and references cited therein, the authors introduced the concept of employing multiresolution wavelet decomposition of computed flow data as smoothness monitors (flow sensors) to indicate the amount and location of built-in numerical dissipation that can be eliminated or further reduced in shock-capturing schemes. Studies indicated that this approach is able to limit the use of numerical dissipation with improved accuracy compared with standard shock-capturing methods. The studies in [SY04, YS07] were limited to low order multiresolution redundant wavelets with low level supports and low order vanishing moments. The objective of this paper is to expand the previous investigation to include higher order redundant wavelets with larger support and higher order vanishing moments for a wider spectrum of flow type and flow speed applications.

Report Numbers

E 1.99:llnl-conf-406735
llnl-conf-406735

Subject(s)

General And Miscellaneous

Other Subject(s)

Note

Published through SciTech Connect.
09/02/2008.
"llnl-conf-406735"
Presented at: 5th International Conference on Computational Fluid Dynamics, Seoul, South Korea, Jul 07 - Jul 11, 2008.
Sjogreen, B; Yee, H C.

Funding Information

W-7405-ENG-48

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