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Numerical viscosity and the entropy condition for conservative difference schemesConsider a scalar, nonlinear conservative difference scheme satisfying the entropy condition. It is shown that difference schemes containing more numerical viscosity will necessarily converge to the unique, physically relevant weak solution of the approximated conservation equation. In particular, entropy satisfying convergence follows for E schemes - those containing more numerical viscosity than Godunov's scheme.
Document ID
19830020667
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Tadmor, E.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 4, 2013
Publication Date
June 1, 1983
Subject Category
Numerical Analysis
Report/Patent Number
NASA-CR-172141
ICASE-83-20
NAS 1.26:172141
Report Number: NASA-CR-172141
Report Number: ICASE-83-20
Report Number: NAS 1.26:172141
Accession Number
83N28938
Funding Number(s)
CONTRACT_GRANT: NAS1-17070
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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