By Topic

Two- and three-dimensional asteroid impact simulations

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Gisler, G.R. ; Los Alamos Nat. Lab., TX, USA ; Weaver, R.P. ; Mader, C.L. ; Gittings, M.L.

Performing a series of simulations of asteroid impacts using the SAGE code, the authors attempt to estimate the effect of tsunamis and other important environmental events. The code they developed treats multiple fluids with different equations of state and different constitutive models for material strength. The adaptive mesh can refine based on a number of criteria including gradients in physical conditions or material properties. The code uses MPI for portability among many parallel-processing platforms, but hides much of this interface in a library that gives the programmer maximum flexibility. The authors' ocean impact simulations have as a goal the estimation of impact-generated tsunami events as a function of the size and energy of the projectile, partly to aid further studies of potential threats from modest-sized Earth-crossing asteroids. The authors also present a preliminary report on a simulation of the impact that created the Chicxulub crater in Mexico's Yucatan peninsula, widely believed to be responsible for the mass extinctions at the end of the Cretaceous period. They also report on progress in developing better constitutive models for the geological materials involved in this impact and in cratering processes in general.

Published in:

Computing in Science & Engineering  (Volume:6 ,  Issue: 3 )