Commit Graph

243 Commits

Author SHA1 Message Date
Martin Diehl 8d285e4190 removed compiler warnings about conversion and floating point comparison 2016-05-27 11:46:34 +02:00
Martin Diehl 09dfa4a419 removing mechanical twinning part 2016-04-24 21:40:47 +02:00
Martin Diehl 6884a10434 removed J2 (isotropic plasticity replaces) 2016-04-22 11:46:30 +02:00
Martin Diehl a7665bdab9 removed empty line remaining from old ID string 2016-02-29 14:26:06 +01:00
Martin Diehl 6e4239bb7c removed Id 2016-01-27 14:06:21 +00:00
Martin Diehl 11df75dfb2 added documentation and changed some names 2016-01-16 17:27:19 +00:00
Philip Eisenlohr 684992bf50 exchanged mappingConstitutive array for more descriptive "phaseAt and phasememberAt" 2016-01-15 00:19:44 +00:00
Tias Maiti a30b596e7f combined J2 and I2 isotropic mechanical response. Default is identical to old plastic_j2. /dilatation/ flag adds (spherical) Li calculation based on hydrostatic pressure. 2016-01-08 19:45:20 +00:00
Martin Diehl 4174e6f9e2 removed dislokmc, use disloucla for tungsten simulations 2015-12-05 22:07:03 +00:00
Chen Zhang d6abc00218 add pheno+ module in 2015-10-13 18:52:01 +00:00
Tias Maiti 65d114e4f0 improved debug statements 2015-08-04 21:26:22 +00:00
Pratheek Shanthraj c97b83c9a1 added user defined external heat source 2015-07-27 11:09:37 +00:00
Pratheek Shanthraj 87d42bf447 initialise Fi correctly for initial field values away from equilibrium 2015-07-24 14:47:18 +00:00
Pratheek Shanthraj a14070bad4 changed up handling of delta states, and some bug fixes 2015-06-01 16:02:27 +00:00
Pratheek Shanthraj 8f4663985a major restructuring of multi field handling in DAMASK and added some example config files for multi field simulations. please report bugs 2015-05-28 17:02:23 +00:00
Pratheek Shanthraj d7df5f1934 more cleaning up. added pure attribute to some functions. differentiating between ‘local’ and ‘nonlocal’ temperature. 2015-04-21 16:11:30 +00:00
Martin Diehl 0ba8f27320 took some gfortran complaints serious (unused imports, implicit castings) 2015-04-11 11:47:33 +00:00
Pratheek Shanthraj 37a7364a3e multi physics output now working for all solvers 2015-03-25 16:02:30 +00:00
Pratheek Shanthraj 2e44a846af need to keep track of temperature again since we can no longer get this from F_T 2015-03-18 18:03:18 +00:00
Pratheek Shanthraj bbb5ff6ae9 changes related to intermediate configuration kinematics:
- switched Fi and Li from state variables to crystallite variables

- Lp and Li are now work conjugate with the corresponding mandel stresses defined in their respective configuration

- T, Lp and Li need to return tangents wrt Fi arising from the convection of the material frame due to Fi

- Updated analytic jacobian to take into account tangents wrt Fi

- Updated Lp and Li residual jacobians to take into account tangents wrt Fi
2015-03-06 13:09:00 +00:00
Pratheek Shanthraj 0b59519a2a updated damage models:
- coupling to plasticity handled within damage module instead of plasticity module
- anisotropic models more stable
2015-01-29 13:56:09 +00:00
Martin Diehl e9c3137a3e disabled a faulty ntrans loop (matmul was complaining) 2015-01-23 11:23:35 +00:00
Luv Sharma 19dc945065 Inroduced Fd in kinematic decomposition. 2015-01-19 13:39:47 +00:00
Pratheek Shanthraj 6411d36633 updated vacancy-damage model 2015-01-16 17:04:01 +00:00
Luv Sharma 701f35c326 reverting the changes related to undamaged_Fi during rev. 3850/3851. 2015-01-16 00:09:22 +00:00
Martin Diehl ced00954fe added new model by david (LLNL/UCLA) 2015-01-15 10:56:15 +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 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
Martin Diehl 7fe20fe805 intent(out) specifier for getXX functions 2014-12-18 18:26:16 +00:00
Pratheek Shanthraj 3f14ebe43d helper routine to get heat generation rate needed for MARC/Abaqus 2014-12-17 13:37:13 +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 3f8678c7c4 plastic dot states evaluated at effective stress not damaged stress 2014-12-09 18:23:48 +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
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
Pratheek Shanthraj 6e90260817 updated local damage post results for newer models 2014-11-26 11:32:19 +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 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 7567582781 updated constitutive in line with changes to damage 2014-11-11 22:46:41 +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 4fcd1821cf reworked anisotropic ductile model 2014-11-06 17:52:43 +00:00
Pratheek Shanthraj f2211260e3 introduced possibly nonlocal anisotropic ductile damage model 2014-11-05 17:41:08 +00:00
Pratheek Shanthraj 76442942b1 damage def grad updated in stress integration loop and not as a dot state 2014-11-03 10:43:36 +00:00
Pratheek Shanthraj f9cec3079e overhaul of kinematics from FeFp to FeFiFp decomposition 2014-10-31 19:03:08 +00:00
Luv Sharma df58327dff renamed damage modules/functions etc.
brittle -> isoBrittle ; ductile -> isoDuctile; anisotropic-> anisoBrittle
2014-10-28 10:49:12 +00:00
Pratheek Shanthraj 14d71eb35b cleaner interface for ductile damage models 2014-10-28 02:42:25 +00:00