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Multiphase Science and Technology
SJR: 0.124 SNIP: 0.222 CiteScore™: 0.26

ISSN Druckformat: 0276-1459
ISSN Online: 1943-6181

Multiphase Science and Technology

DOI: 10.1615/MultScienTechn.v6.i1-4.330
pages 639-651

COMPARISONS OF PREDICTIONS WITH NUMERICAL BENCHMARK TEST NO. 2.5: KELVIN-HELMHOLTZ INSTABILITY

F. Villasenor
Concentration, Heat and Momentum Ltd.(CHAM), Bukey House, 40 High Street, Wimbledon Village, London, SW11 5AU, England
Dudley Brian Spalding
Concentration, Heat, and Momentum (CHAM), Limited, Bakery House, 40 High Street, Wimbledon Village, London SW19 5AU, England

ABSTRAKT

Predictions obtained using four computer codes are compared with the analytical solution for Kelvin-Helmholtz instability for the conditions specified in Numerical Benchmark Test No. 2.5 (D. L. Youngs, Multiphase Science and Technology, Vol. 3, pp.477−479, 1987). There are considerable differences in the predictive instability growth between various codes. These results were given which showed that, with too fine a nodalisation, rapid growth of the instability occurs with numerical damping failing to stop the growth at high wave number instabilities.


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