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2.2  Rayleigh-Taylor instability

Author
Stéphane Popinet
Command
gerris2D rt.gfs | gfsview2D rt.gfv
Version
1.1.0
Required files
rt.gfs (view) (download)
rt.gfv
Running time
12 minutes

A classical test case for the flow of two fluids of different densities. A sinusoidal interface separates the two fluids. The heavier fluid is on top. A mushroom-shaped instability develops in time as illustrated on Figure 6.


Figure 6: Evolution of the interface.
t=0t=0.7t=0.8t=0.9t=1.0


Figure 7: MPEG movies of the tracer and vorticity fields.


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