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Medientyp:
E-Book;
Bericht
Titel:
Domain Decomposition: Linking Kinetic and Aerodynamic Descriptions
Beteiligte:
Illner, Reinhard
[VerfasserIn];
Neunzert, Helmut
[VerfasserIn]
Erschienen:
KLUEDO - Publication Server of University of Kaiserslautern-Landau (RPTU), 1993
Sprache:
Englisch
Entstehung:
Anmerkungen:
Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
Beschreibung:
We discuss how kinetic and aerodynamic descriptions of a gas can be matched at some prescribed boundary. The boundary (matching) conditions arise from requirement that the relevant moments (p,u,.) of the particle density function be continuous at the boundary, and from the requirement that the closure relation, by which the aerodynamic equations (holding on one side of the boundary) arise from the kinetic equation (holding on the other side), be satisfied at the boundary. We do a case study involving the Knudsen gas equation on one side and a system involving the Burgers equation on the other side in section 2, and a discussion for the coupling of the full Boltzmann equation with the compressible Navier-Stokes equations in section 3.