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A low Mach number instability occurs in a scheme for the solution of gas dynamics and multiphase flow problems. The report illustrates the instability and explains its origin, using a simplified Von Neumann stability analysis. Finally, a simple modification to the scheme, which completely eliminates the instability, is presented.

Additional information

Authors: THYAGARAJA A, UKAEA, Culham Laboratory, Abingdon (GB);FLETCHER D F, UKAEA, Culham Laboratory, Abingdon (GB)
Bibliographic Reference: Report: CLM-P876 EN (1989) 11 pp.
Availability: Available from the Librarian, UKAEA, Culham Laboratory, Abingdon, Oxon. OX14 3DB (GB)
Record Number: 199011404 / Last updated on: 1994-12-01
Original language: en
Available languages: en