Pratheek Shanthraj
82942d1618
bug fix for previous commit
2014-12-02 17:23:47 +00:00
Pratheek Shanthraj
b796e46f98
residualStiffness is not just an FEM parameter
2014-12-02 17:17:35 +00:00
Pratheek Shanthraj
2fc264d90a
forgot file in previous commit
2014-11-28 20:07:22 +00:00
Pratheek Shanthraj
37dd574790
recast power law and viscous dot state variables as derived quantities using analytical solutions of the evolution equation
2014-11-28 20:06:24 +00:00
Philip Eisenlohr
8d64e513da
improved commenting and variable names.
...
values for unused slip/twin families are ignored in material.config (do not need to be numeric anymore…)
2014-11-26 21:23:02 +00:00
Tias Maiti
f8b29bdaf0
fixed bug in type definition for ‘drivingForce’
2014-11-26 18:40:31 +00:00
Pratheek Shanthraj
54de033c45
using analytic solution for local/nonlocal coupled damage (as opposed to having crystallite iterate to find a consistent solution)
2014-11-26 17:29:45 +00:00
Pratheek Shanthraj
61bb9a373e
all damage models consistently semi-explicit
2014-11-26 11:32:50 +00:00
Pratheek Shanthraj
6e90260817
updated local damage post results for newer models
2014-11-26 11:32:19 +00:00
Pratheek Shanthraj
a91ebafa0e
semi-explicit damage evolution
2014-11-26 10:36:14 +00:00
Luv Sharma
646f1c48dc
typo, IO_warning and not IO_error
2014-11-26 10:16:30 +00:00
Pratheek Shanthraj
9714a172d1
updated to get local damage from microstructure state
2014-11-26 00:42:20 +00:00
Pratheek Shanthraj
c89ef9de61
relaxed some sanity checks
2014-11-26 00:29:54 +00:00
Pratheek Shanthraj
26c01f64e5
updated file list
2014-11-26 00:06:16 +00:00
Pratheek Shanthraj
32ee3a4a66
corrected constitutive_getVacancyPotentialDrivingForce function
2014-11-26 00:04:06 +00:00
Pratheek Shanthraj
36dc59b09f
reverted back to rate independent damage evolution. updated example config files to recent changes
2014-11-25 23:56:52 +00:00
Pratheek Shanthraj
a4584fecd2
potential driving force for conservative cahn hilliard vacancy diffusion
2014-11-25 20:13:33 +00:00
Pratheek Shanthraj
20437b2ae0
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration
...
simplified vacancy_generation
2014-11-25 17:23:37 +00:00
Pratheek Shanthraj
65b22f9a40
calculate analytic jacobian from xxx0 and not xxxsub0
2014-11-25 17:20:52 +00:00
Su Leen Wong
e6edc3d8cd
Some sanity checks
2014-11-25 13:20:12 +00:00
Pratheek Shanthraj
296146490f
changed some default parameters for FEM
2014-11-21 14:20:54 +00:00
Luv Sharma
3d4b2d2f52
tolerance for damage can be any positive value. Set to 0.001 if found negative.
2014-11-21 13:12:54 +00:00
Luv Sharma
ee1d409bad
critical shear can be set to zero for family not in use.
2014-11-21 09:03:54 +00:00
Su Leen Wong
9e6ab9866f
Read in TRIP inputs, changed 'totalvolfrac' to 'totalvolfrac_twin'
2014-11-21 08:54:20 +00:00
Luv Sharma
36c2cc4347
added some sanity checks in damage modules.
2014-11-20 13:48:07 +00:00
Martin Diehl
f538469892
reverted name change: In current PETSc release, its DM_ instead of DMDA_!
2014-11-19 05:35:10 +00:00
Philip Eisenlohr
73a13ddffc
added more comments
2014-11-18 15:36:17 +00:00
Su Leen Wong
b3a96d40c5
Started adding TRIP model to phenopowerlaw
2014-11-18 10:46:02 +00:00
Pratheek Shanthraj
23d68114e3
cleaned up stress integrations and some documentation
2014-11-13 12:53:20 +00:00
Haiming Zhang
b407e6ac80
complement of pore nucleation.
2014-11-12 17:55:02 +00:00
Pratheek Shanthraj
fc9f4835c3
switched order of Lp-Li nesting in stress integration loop for better convergence. temperature is integrated during stress integration so it need not be a dot state
2014-11-12 16:40:50 +00:00
Pratheek Shanthraj
e89199d119
correction to thermal velocity gradient
2014-11-11 23:14:45 +00:00
Pratheek Shanthraj
7567582781
updated constitutive in line with changes to damage
2014-11-11 22:46:41 +00:00
Pratheek Shanthraj
5ff3c882b5
thermodynamically consistent treatment of nonlocality over all damage models. switched from power law to exponential with viscous drag type rate formulation for damage evolution
2014-11-11 22:44:11 +00:00
Haiming Zhang
f0f04a25bf
Pore nucleation, and the decrease of vacancy concentration due the formation of pores.
2014-11-11 16:03:06 +00:00
Pratheek Shanthraj
e0e0f1503b
svn properties for new files
2014-11-07 20:55:16 +00:00
Pratheek Shanthraj
9544fe55a6
FEM solver for vacancy diffusion
2014-11-07 20:40:54 +00:00
Pratheek Shanthraj
eb1028eb6f
dislokmc coupled to ductile damage
2014-11-07 12:28:18 +00:00
Pratheek Shanthraj
646f632977
no need to pass fileunit during init of none types
2014-11-07 12:15:28 +00:00
Pratheek Shanthraj
c4e54793fc
missing factor of 2 in damage driving force
2014-11-07 12:10:10 +00:00
Pratheek Shanthraj
dc0745800f
reworked anisotropic brittle damage
2014-11-07 12:08:56 +00:00
Martin Diehl
69b150319f
fully introduced non-schmid behavior
2014-11-07 11:23:34 +00:00
Martin Diehl
eee863956f
added flush(6) for debugging
2014-11-06 21:05:35 +00:00
Pratheek Shanthraj
4fcd1821cf
reworked anisotropic ductile model
2014-11-06 17:52:43 +00:00
Pratheek Shanthraj
9c474796ac
cleaning up and meaningful renaming
2014-11-06 17:41:34 +00:00
Haiming Zhang
a72a9ed8ec
Add the generation rate of vacancy induced by dislocation movement.
2014-11-06 16:53:34 +00:00
Martin Diehl
29951a9e1a
named 99 representation according to other constitutive laws
2014-11-06 11:49:37 +00:00
Martin Diehl
b443ac6321
nicer preprocessor statements
2014-11-06 11:47:27 +00:00
Martin Diehl
95ec8b7b7b
removed imported module variables that are not longer needed, commented loops and simplified calculation for rates, i.e. do not store per system anymore but only once
2014-11-06 08:27:48 +00:00
Martin Diehl
1242aab2bf
unified calculation for slip rate for output to avoid doubling of code
...
introduced calculation of negative and positive stress (three times in the code) for non-schmid behavior.
Still, non-schmid behavior is not active at all
2014-11-05 20:53:25 +00:00