The multigrid method for semi-implicit hydrodynamics codes

The multigrid method for semi-implicit hydrodynamics codes

The multigrid method is applied to the pressure iteration in both Eulerian and Lagrangian codes, and computational examples of its efficiency are presented. In addition a general technique for speeding up the calculation of very low Mach number flows is presented. The latter feature is independent o...

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Veröffentlicht in:J. Comput. Phys.; (United States) 1980-03, Vol.34 (3), p.348-370
Hauptverfasser: Brandt, Achi, Dendy, J.E, Ruppel, Hans
Format: Artikel
Sprache:eng
Schlagworte:
640410 - Fluid Physics- General Fluid Dynamics
990200 - Mathematics & Computers
ALGORITHMS
COMPUTER CODES
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
EFFICIENCY
FLUID MECHANICS
FUNCTIONS
GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
HYDRODYNAMICS
ITERATIVE METHODS
LAGRANGIAN FUNCTION
MATHEMATICAL LOGIC
MECHANICS
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Beschreibung
Zusammenfassung:The multigrid method is applied to the pressure iteration in both Eulerian and Lagrangian codes, and computational examples of its efficiency are presented. In addition a general technique for speeding up the calculation of very low Mach number flows is presented. The latter feature is independent of the multigrid algorithm.
ISSN:0021-9991
1090-2716
DOI:10.1016/0021-9991(80)90094-7