Commit Graph

1812 Commits

Author SHA1 Message Date
Pratheek Shanthraj 2458aa9c3e BBar stabilisation now optional (default is off) 2014-12-08 16:27:23 +00:00
Philip Eisenlohr c34252c71c changed constitutive_* prefix for plasticity laws to plastic_* to be consistent with novel thermal_, damage_, vacancy_, etc. laws. 2014-12-08 15:55:30 +00:00
Haiming Zhang 0bd4ab48f8 numerics with respect to vacancy diffusion. 2014-12-08 15:37:44 +00:00
Martin Diehl db0e02b94d changed to lower canse convention 2014-12-08 15:37:02 +00:00
Pratheek Shanthraj 67c3eb3a2e bounding the analytically integrated damage variable 2014-12-08 14:05:38 +00:00
Pratheek Shanthraj 347dac74c6 added vacancy state integrators 2014-12-08 10:45:12 +00:00
Haiming Zhang 9301b56aa3 initialize restoration points of vacancy concentration at material points, postResults of VC at material points. 2014-12-08 09:27:32 +00:00
Haiming Zhang 62f254c9de age results and write restart data for vacancy concentration 2014-12-08 09:09:54 +00:00
Franz Roters 55c2b729a0 while node coordinates are always 3D displacements are passed into hypela2 as 2D array (dispt) for 2D simulations 2014-12-05 07:35:28 +00:00
Luv Sharma 334ade5260 Every line in a recipe must begin with a tab character.
http://stackoverflow.com/questions/14576237/errors-in-make-file-missing-separator-stop
2014-12-03 13:37:04 +00:00
Philip Eisenlohr 9d12e026e8 renumbered some errors, fixed non-existing errors 2014-12-03 00:42:35 +00:00
Philip Eisenlohr 01a8c500ca detabbing… 2014-12-03 00:41:12 +00:00
Martin Diehl fa6f784102 deleted unused stuff 2014-12-02 21:49:33 +00:00
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