Accession Number:

ADA583939

Title:

Nonlocal Control of Fracture Propagation in Numerical Simulations

Descriptive Note:

Final rept. Sep 2011-Dec 2012

Corporate Author:

ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS RESEARCH DIRECTORATE

Personal Author(s):

Report Date:

2013-03-01

Pagination or Media Count:

18.0

Abstract:

A nonlocal algorithm is used to control the failure propagation rate in finite element simulations. An extension of the method, which creates smooth gradient fields near the fracture front, is explored as a means for improving the advection of discontinuous fields associated with cracks. The algorithms are evaluated by varying fracture propagation speed and assessing crack size changes with advection.

Subject Categories:

  • Numerical Mathematics
  • Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE