Sink Hole Test
To test the effect of a planet in the disc, runs with no gravity but
mass extraction within a ficticious Roche-Lobe (assuming q=0.001)
have been performed. The runs assume an initial gap, and all parameter
are identical to the Reference model.
Density at t=100 for the sink hole (left) and standard case (right).
Deviation from mean density.
The mass extracted (from the outer side, r>1).