Hydrocode simulations of Chicxulub crater collapse and peak-ring formation

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Constraining the size of the South Pole-Aitken basin impact (2010, methodology): “The evolution of the crater is similar to the planetary basin-forming impacts described in Ivanov et al. (2010) and models proposed for the Chicxulub impact (Collins et al., 2002, 2008b) and other large craters (O’Keefe and Ahrens, 1999).”
Numerical simulations of impact crater formation with dilatancy (2014, background): “In small complex craters central uplift produces a central peak; for larger impactor sizes the central uplift overshoots the preimpact surface and then collapses downward and outward to form an annular topographic high (i.e., peak ring) [Collins et al., 2002; Ivanov and Artemieva, 2002].”
A strain-based porosity model for use in hydrocode simulations of impacts and implications for transient crater growth in porous targets (2006, methodology): “(1997) or Collins et al. (2004) with a coefficient of internal friction of μ= 0.”
The global effects of impact-induced seismic activity on fractured asteroid surface morphology (2005, background): “(Amsden et al., 1980; Collins et al., 2002) in its most basic mode: monitoring the elastic response of rock to an impact source, without viscosity or accumulated damage (Hooke’s law response only).”