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View Code? Open in Web Editor NEWCrystal plasticity for additive manufacturing
License: GNU Lesser General Public License v2.1
Crystal plasticity for additive manufacturing
License: GNU Lesser General Public License v2.1
I suggest adding the topics materials-science
, crystal-plasticity
in the About section.
Thanks for your project. I have added your repo to the Materials Science section of a list of Fortran codes that I maintain.
Hi Nicolò,
Thanks for your great open-source code. When I run the tests, some of them failed. Among them, I'm particularly interested in the neper example. It seems that the output .e file is different from the provided gold .e file.
I'm using Mac OS X 11.6.5 with the latest MOOSE installed.
Appreciate it if you can take a look.
Thanks,
Tianju
I am trying to add the plastic_strain auxvariable to my calculations and am getting the following error:
Material property 'plastic_strain', requested by 'plastic_xx' is not defined on block 1
Does the FiniteStrainCrystalPlasticityThermal material not include plastic_strain?
A snippet of the input and relevant blocks is included below:
[AuxKernels]
[./plastic_xx]
type = RankTwoAux
rank_two_tensor = plastic_strain
variable = plastic_xx
index_i = 0
index_j = 0
block = '1'
[../]
[./plastic_yy]
type = RankTwoAux
rank_two_tensor = plastic_strain
variable = plastic_yy
index_i = 1
index_j = 1
block = '1'
[../]
[./plastic_zz]
type = RankTwoAux
rank_two_tensor = plastic_strain
variable = plastic_zz
index_i = 2
index_j = 2
block = '1'
[../]
[]
[AuxVariables]
[./plastic_yy]
order = CONSTANT
family = MONOMIAL
block = '1'
[../]
[./plastic_xx]
order = CONSTANT
family = MONOMIAL
block = '1'
[../]
[./plastic_zz]
order = CONSTANT
family = MONOMIAL
block = '1'
[../]
[]
[Materials]
[./crysp]
type = FiniteStrainCrystalPlasticityThermal
block = '1'
slip_sys_file_name = input_slip_sys.txt # no need to normalize vectors
nss = 12 #Number of slip systems
num_slip_sys_flowrate_props = 2 #Number of flow rate properties in a slip system
flowprops = '1 12 0.0005 0.1' # slip rate equations parameters
hprops = '1.0 3839.0 180.0 302.0 2.5' # hardening properties
gprops = '1 12 180.0' # initial values of slip system resistances (start_slip_sys, end_slip_sys, value)
tan_mod_type = none
thermal_expansion = '44.73e-6'
reference_temperature = '403.0'
temp = temp
slip_incr_tol = 0.001
maxiter = 200
maxitergss = 200
maximum_substep_iteration = 5
gen_random_stress_flag = true
rtol = '1.0e-4'
abs_tol = '1.0e-4'
dCRSS_dT_A = 0.53
dCRSS_dT_B = 0.47
dCRSS_dT_C = 0.008
dCTE_dT = '0.01011e-6'
[../]
[./elasticity_tensor]
type = ComputeElasticityTensorMelting
C_ijkl = '2.046e5 1.377e5 1.377e5 2.046e5 1.377e5 2.046e5 1.262e5 1.262e5 1.262e5'
fill_method = symmetric9
read_prop_user_object = prop_read
temp = temp
dC11_dT = 0.0004415
dC12_dT = 0.0003275
dC44_dT = 0.0004103
residual_stiffness = 0.001
temperature_read_user_object = temperature_read
temperature_time_step = 95.0
reference_temperature = '403.0'
activate_elems = true
block = '1'
[../]
[./strain]
type = ComputeFiniteStrain
displacements = 'disp_x disp_y disp_z'
block = '1'
[../]
[./dummy_mat_inactive]
type = GenericConstantMaterial
prop_names = 'dummy_mat'
prop_values = '0.0'
block = '2'
[../]
[]
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