[CIG-SHORT] plastic deformation

[Birendra jha]

Brad, that's exactly what I am doing. The stress vector and the hardening variable at previous timestep are my additional state variables.

Thanks
Birendra
  
--------------------------------------------
On Tue, 12/2/14, Brad Aagaard <baagaard at usgs.gov> wrote:

 Subject: Re: [CIG-SHORT] plastic deformation
 To: cig-short at geodynamics.org
 Date: Tuesday, December 2, 2014, 8:23 PM
 
 On 12/01/2014 01:26 PM, Birendra jha
 wrote:
 > Yes, it appears we need to store stress state from
 previous time step to implement the incremental formulation
 of these models.
 
 The most straightforward way to do this is via additional
 state 
 variables for that particular material model.
 
 Brad
 
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