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Abstract

The non-hyperbolicity of the simplest, single pressure, formulation of the multiphase flow equations has apparently raised concerns in the literature about their usefulness. It is shown, by a number of examples, that when properly interpreted these equations may be solved without explicit regularizing terms by the use of faithful numerical schemes, which preserve the positivity and conservation properties of the physical system.

Additional information

Authors: THYAGARAJA A, CULHAM LABORATORY, ABINGDON, UK;FLETCHER D F CULHAM LABORATORY, ABINGDON, UK, CULHAM LABORATORY, ABINGDON, UK
Bibliographic Reference: REPORT CLM-P839, 1988, AVAILABILITY: UKAEA, ABINGDON, UK
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