Commit Graph

1895 Commits

Author SHA1 Message Date
Pratheek Shanthraj 6411d36633 updated vacancy-damage model 2015-01-16 17:04:01 +00:00
Martin Diehl 93e50366bb fixed automatic determination of compiler 2015-01-16 11:19:30 +00:00
Luv Sharma 701f35c326 reverting the changes related to undamaged_Fi during rev. 3850/3851. 2015-01-16 00:09:22 +00:00
David Cereceda Senas 85465333ec 2015-01-15 22:42:56 +00:00
David Cereceda Senas b1ef2f9dd9 2015-01-15 22:40:17 +00:00
Martin Diehl 62ff5d1d45 gfortran/ifort is now selected depending on the compiler provided by PETSc 2015-01-15 11:35:53 +00:00
Martin Diehl ced00954fe added new model by david (LLNL/UCLA) 2015-01-15 10:56:15 +00:00
Luv Sharma 125276283b fix in analytically integrated expression. 2015-01-15 09:22:24 +00:00
Luv Sharma 19611660c2 passing undamaged Fe for calculation of stress.(Pratheek please check.) 2015-01-13 09:54:44 +00:00
Luv Sharma 9c8873f16c added functions to get degraded stiffness and undamaged intermediate deformation gradient. 2015-01-13 09:46:25 +00:00
Luv Sharma 80bb9a2e66 function to calculate mises stress. 2015-01-13 09:43:05 +00:00
Haiming Zhang c2b8627981 Currently, there is no updating for the dot state of vacancy generation, set sizeDotState = 0 2015-01-11 20:01:43 +00:00
Haiming Zhang a2552d6241 Polishing. 2015-01-11 19:10:16 +00:00
Martin Diehl e20271b89a fix for temperature in spectral solver 2015-01-08 13:26:00 +00:00
Luv Sharma 9635ae9f3d fix in integration. 2015-01-07 14:51:06 +00:00
Luv Sharma 8610531aae removed unused variable. 2015-01-04 20:13:16 +00:00
Luv Sharma 460c0d73fa Making use of extended plastic state with pointers, removed helper functions. 2015-01-04 19:26:33 +00:00
Luv Sharma e6d1b21b57 introduced extended plastic state type (including pointer/aliases) 2014-12-19 14:01:03 +00:00
Martin Diehl e4cb387571 polishing comments 2014-12-18 18:44:47 +00:00
Martin Diehl 72cb9072e1 added some debug statements 2014-12-18 18:41:02 +00:00
Martin Diehl 7fe20fe805 intent(out) specifier for getXX functions 2014-12-18 18:26:16 +00:00
Martin Diehl fdbaf00fa7 cleaned up naming and added elastic material with volume preserving stiffness 2014-12-18 18:20:11 +00:00
Martin Diehl 299518adfa cleaned tungsten parameter set, renamed to be consistent 2014-12-18 16:55:43 +00:00
Pratheek Shanthraj 3f14ebe43d helper routine to get heat generation rate needed for MARC/Abaqus 2014-12-17 13:37:13 +00:00
Franz Roters e6e72ab3a7 In mesh_marc_build_elements use mesh_NcpElems instead of mesh_Nelems (line 2906).
Fixes error when not all elements are CP elements.

Some formating and comment improvements.
2014-12-15 11:51:32 +00:00
Martin Diehl 7c8f2ede31 fixed missing initialization causing a NaN in gdot and crashes 2014-12-11 15:04:16 +00:00
Haiming Zhang 5bc93efd63 Fix bug about vacancy generation in subroutine constitutive_microstructure 2014-12-11 13:07:15 +00:00
Pratheek Shanthraj bdb6bf8090 recasting vacancy dot state as microstructure state 2014-12-10 13:40:30 +00:00
Pratheek Shanthraj 39a3a5b5a0 cleaned up FEM examples 2014-12-09 18:59:37 +00:00
Haiming Zhang 3064c14ff6 fig a bug of energy barrier of vacancy generation. 2014-12-09 18:56:19 +00:00
Pratheek Shanthraj 3f8678c7c4 plastic dot states evaluated at effective stress not damaged stress 2014-12-09 18:23:48 +00:00
Martin Diehl 55e2de6ffd made dotstate and state pointers (targets are not allowed in derived types) and introduced plastic state having aliases to parts of the state. 2014-12-09 12:12:53 +00:00
David Mercier d1e1191df4 corrected bug: renamed file list for commercial FEM solvers to start with small letter 2014-12-08 16:36:22 +00:00
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
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
Martin Diehl 6fc3908c71 prepared for merging postResults rate calculation in one loop 2014-11-05 19:39:23 +00:00
Martin Diehl f3b7b5bb96 corrected substraction by volume fraction of twin for LpAndItsTangent and removed the substraction in postResults (like for dislowtin)
cleaned up and unified notation in calculation of slip rates
2014-11-05 19:11:09 +00:00
Martin Diehl accb571c53 corrected substraction by sum of twinned and transformed value fraction of Lp and derivative.
removed unused variables
2014-11-05 17:52:49 +00:00
Pratheek Shanthraj a61c3059ef missing file in previous commit 2014-11-05 17:47:46 +00:00