Pratheek Shanthraj
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0b59519a2a
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updated damage models:
- coupling to plasticity handled within damage module instead of plasticity module
- anisotropic models more stable
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2015-01-29 13:56:09 +00:00 |
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Martin Diehl
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e9c3137a3e
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disabled a faulty ntrans loop (matmul was complaining)
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2015-01-23 11:23:35 +00:00 |
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Luv Sharma
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19dc945065
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Inroduced Fd in kinematic decomposition.
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2015-01-19 13:39:47 +00:00 |
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Pratheek Shanthraj
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6411d36633
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updated vacancy-damage model
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2015-01-16 17:04:01 +00:00 |
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Luv Sharma
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701f35c326
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reverting the changes related to undamaged_Fi during rev. 3850/3851.
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2015-01-16 00:09:22 +00:00 |
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Martin Diehl
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ced00954fe
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added new model by david (LLNL/UCLA)
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2015-01-15 10:56:15 +00:00 |
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Luv Sharma
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9c8873f16c
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added functions to get degraded stiffness and undamaged intermediate deformation gradient.
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2015-01-13 09:46:25 +00:00 |
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Luv Sharma
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8610531aae
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removed unused variable.
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2015-01-04 20:13:16 +00:00 |
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Luv Sharma
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460c0d73fa
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Making use of extended plastic state with pointers, removed helper functions.
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2015-01-04 19:26:33 +00:00 |
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Martin Diehl
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7fe20fe805
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intent(out) specifier for getXX functions
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2014-12-18 18:26:16 +00:00 |
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Pratheek Shanthraj
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3f14ebe43d
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helper routine to get heat generation rate needed for MARC/Abaqus
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2014-12-17 13:37:13 +00:00 |
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Haiming Zhang
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5bc93efd63
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Fix bug about vacancy generation in subroutine constitutive_microstructure
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2014-12-11 13:07:15 +00:00 |
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Pratheek Shanthraj
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bdb6bf8090
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recasting vacancy dot state as microstructure state
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2014-12-10 13:40:30 +00:00 |
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Pratheek Shanthraj
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3f8678c7c4
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plastic dot states evaluated at effective stress not damaged stress
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2014-12-09 18:23:48 +00:00 |
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Philip Eisenlohr
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c34252c71c
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changed constitutive_* prefix for plasticity laws to plastic_* to be consistent with novel thermal_, damage_, vacancy_, etc. laws.
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2014-12-08 15:55:30 +00:00 |
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Pratheek Shanthraj
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37dd574790
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recast power law and viscous dot state variables as derived quantities using analytical solutions of the evolution equation
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2014-11-28 20:06:24 +00:00 |
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Pratheek Shanthraj
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6e90260817
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updated local damage post results for newer models
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2014-11-26 11:32:19 +00:00 |
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Pratheek Shanthraj
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32ee3a4a66
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corrected constitutive_getVacancyPotentialDrivingForce function
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2014-11-26 00:04:06 +00:00 |
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Pratheek Shanthraj
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36dc59b09f
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reverted back to rate independent damage evolution. updated example config files to recent changes
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2014-11-25 23:56:52 +00:00 |
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Pratheek Shanthraj
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a4584fecd2
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potential driving force for conservative cahn hilliard vacancy diffusion
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2014-11-25 20:13:33 +00:00 |
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Pratheek Shanthraj
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20437b2ae0
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added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration
simplified vacancy_generation
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2014-11-25 17:23:37 +00:00 |
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Pratheek Shanthraj
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fc9f4835c3
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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
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2014-11-12 16:40:50 +00:00 |
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Pratheek Shanthraj
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7567582781
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updated constitutive in line with changes to damage
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2014-11-11 22:46:41 +00:00 |
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Pratheek Shanthraj
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646f632977
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no need to pass fileunit during init of none types
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2014-11-07 12:15:28 +00:00 |
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Pratheek Shanthraj
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4fcd1821cf
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reworked anisotropic ductile model
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2014-11-06 17:52:43 +00:00 |
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Pratheek Shanthraj
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f2211260e3
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introduced possibly nonlocal anisotropic ductile damage model
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2014-11-05 17:41:08 +00:00 |
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Pratheek Shanthraj
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76442942b1
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damage def grad updated in stress integration loop and not as a dot state
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2014-11-03 10:43:36 +00:00 |
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Pratheek Shanthraj
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f9cec3079e
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overhaul of kinematics from FeFp to FeFiFp decomposition
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2014-10-31 19:03:08 +00:00 |
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Luv Sharma
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df58327dff
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renamed damage modules/functions etc.
brittle -> isoBrittle ; ductile -> isoDuctile; anisotropic-> anisoBrittle
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2014-10-28 10:49:12 +00:00 |
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Pratheek Shanthraj
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14d71eb35b
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cleaner interface for ductile damage models
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2014-10-28 02:42:25 +00:00 |
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Pratheek Shanthraj
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ebd285f565
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reworking damage routines
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2014-10-28 01:18:10 +00:00 |
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Luv Sharma
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88159d1458
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added function to return degraded stiffness where Fe..Fd..Fp decomposition not implemented
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2014-10-27 15:33:35 +00:00 |
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Luv Sharma
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b65ccb0181
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changed isotropic ductile damage to be inline with Fe..Fd..Fp decomposition
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2014-10-27 14:15:25 +00:00 |
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Pratheek Shanthraj
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9779127521
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added intermediate configuration to crystal plasticity kinematics intended handle intermediate deformation stages consistently in a finite strain framework
currently implemented for thermal strains, but will expand on this to add damage strains, phase transformation strains etc.
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2014-10-20 15:43:28 +00:00 |
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Pratheek Shanthraj
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fec71e2986
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missing variable definitions
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2014-10-16 08:15:57 +00:00 |
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Luv Sharma
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92d5c89d4b
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started implementing anisotropic damage
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2014-10-15 15:02:29 +00:00 |
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Luv Sharma
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4e3f8245a7
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some improvements for void nucleation
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2014-10-14 01:10:42 +00:00 |
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Pratheek Shanthraj
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a057c540e0
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temperature initialised to value from load case file
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2014-10-13 17:54:27 +00:00 |
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Pratheek Shanthraj
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bc9cf40371
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vacancy diffusion proportional to accumulated slip (pipe diffusion along dislocations)
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2014-10-11 10:39:44 +00:00 |
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Pratheek Shanthraj
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c0584b47e1
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modified damage diffusion tensor for brittle damage so this is now doing griffith's fracture criterion
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2014-10-11 10:09:36 +00:00 |
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Pratheek Shanthraj
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616a44f898
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- added get slip rate helper function
- added vacancy generation rate
- cleaned up some bugs
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2014-10-11 09:45:30 +00:00 |
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Pratheek Shanthraj
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dd16851ab7
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implemented possibly diffusive vacancy physics. to be coupled with micro void nucleation and ductile damage
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2014-10-10 20:55:09 +00:00 |
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Pratheek Shanthraj
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b8a45f660e
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reinstating changes lost in previous commit
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2014-10-10 16:45:14 +00:00 |
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Luv Sharma
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9b1e55f0e4
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added helper functions to communicate accumulated slip between damage and plasticity modules
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2014-10-10 16:34:51 +00:00 |
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Pratheek Shanthraj
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96f036e34e
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updated MPI reporting in line with recent changes
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2014-10-10 16:21:10 +00:00 |
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Luv Sharma
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1657e0f7ba
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started implementing a void fraction based ductile damage model.
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2014-10-10 12:42:12 +00:00 |
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Pratheek Shanthraj
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ba65d04bb3
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removed redundant crystallite_temperature/heat and materialpoint_heat and using temperature from the thermal module
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2014-10-10 12:28:57 +00:00 |
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Pratheek Shanthraj
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885a71c0b7
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cleaned up compilation for FEM
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2014-10-10 08:40:59 +00:00 |
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Pratheek Shanthraj
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c8929b47d3
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only output from the root processor for parallel runs
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2014-10-09 20:23:06 +00:00 |
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Luv Sharma
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2eadb0a178
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changed thermal heatGen to thermal adiabatic
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2014-10-09 14:08:32 +00:00 |