[CIG-SHORT] Convergence issues for slip weakening friction

[Brad Aagaard]

On 06/18/2017 11:28 PM, Surendra Nadh Somala wrote:
> One important parameter missing in your problem description is your mesh 
> size.  Discretization in slip weakening friction should be fine enough 
> ahead of the crack tip at each timestep so as to resolve the cohesive 
> zone (something to do with your slip weakening distance) adequately.
>   -Surendra

This is not true for implicit time stepping, which is being used in this 
case.

Brad