A comparative study of disc–planet interaction
作者： M. De Val-Borro , R. G. Edgar , P. Artymowicz , P. Ciecielag , P. Cresswell
DOI: 10.1111/J.1365-2966.2006.10488.X
关键词:
摘要: We perform numerical simulations of a disc-planet system using various grid-based and smoothed particle hydrodynamics (SPH) codes. The tests are run for simple setup where Jupiter Neptune mass planets on circular orbit open gap in protoplanetary disc during few hundred orbital periods. compare the surface density contours, potential vorticity radial profiles at several times. gravitational torque time evolution analysed with high temporal resolution. There is overall consistency between agree within about 5 per cent Eulerian simulations. SPH results predict correct shape although have less resolution low-density regions weaker planetary wakes. masses after 200 periods 10 cent. spread larger tidal torques acting planet which factor 2 end simulation. In case, dispersion greater than Jupiter, possibly owing to contribution from not completely cleared region close planet.
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