Kelvin-Helmholtz Instability in 3D
Numerical Simulation Initial & Boundary Condition Benchmarks
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Three-dimensional Euler-equations for an ideal gas
(Air with 
= 1.4) |
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Wave propagation scheme with Minmod wave-limiter and transverse wave propagation |
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Calculation of 792 time steps with CFL-No.
 0.9 to tend
= 0.04 s. |
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AMR-computation with a coarse grid of 40 x 40 x 40 cells. 2 levels with refinement factor 2 are used. Finest level corresponds to 160 x 160 x 160 grid (4 M cells). |
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Number of cells increases continuously from 1.1 M up to 3 M. |
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71 h real time on 7 nodes Pentium III-450 MHz (nonadaptive
190 h) |
The computations are included in the following paper:
Object-oriented design of an AMR-algorithm for distributed memory computers
submitted for Proc. of 8th Int. Conf. on Hyperbolic Problems, Feb 2000, Magdeburg.
Mpeg-Movies
Density distribution on Level 0 (1.1 M)
Isosurface of density at the interface (828 k)
Isosurface of density. Domain is 2 x 2 periodically duplicated (1.5M)
Isolines of density along symmetry diagonal on refinement grids (1.0 M)