Coarse model thermal analysis input file 03_thermal.in
# Lines beginning with a pound/hash (#) are comment statements.
*TITLE
Heat transfer analysis of part scale powder bed model.
#-----------------------------------------------------------
*PBDL
1
# all geometries on the build plate are being modeled
#------------------------------------------------------------
*SBDM
-40,20,-40,20
# extend the size of the default substrate
#------------------------------------------------------------
*PBSH
200
# the substrate temperature is held at 200C
#------------------------------------------------------------
#Powder Bed Part Level Modeling
*PBPA
14
# layers per element thickness
#-----------------------------------------------------------
*PBLR
1
# add 1 level of refinement before element activation
#-----------------------------------------------------------
*STLF
part.stl
# Input STL file
#-----------------------------------------------------------
*ADAPT
4
# Number of refinement levels for adaptive meshing.
#-----------------------------------------------------------
*PBPF
pp.prm
# process parameter file
#-----------------------------------------------------------
*TRANSIENT
0, 100000, 0.1, 5000, 0.01, 25, 10, 99999
# time incrementation control
# begin time, end time, inital time increment, maximum
# allowable time increment, min allowable time increment,
# time tolerance, maximum number of cutbacks per increment,
# and maximum total number of increments allowed
#-----------------------------------------------------------
*ANTP
2
# 2: Transient thermal analysis
#-----------------------------------------------------------
*SOLUTION PARAMETERS
20, 1.d-5, 1.d+20
# max number of iterations, tolerance, max residual
#-----------------------------------------------------------
*BINARY
# Write to binary output file for subsequent mechanical analysis.
#-----------------------------------------------------------
*DDM!
0, -25
# substrate top z coord, substrate bottom z coord, offset
# time for layer activation
#-----------------------------------------------------------
*CONVECTION COEFFICIENTS
25.d-6, 200
# Up to 40 temperature-dependent convection coefficients.
# First column is convection, second is temperature. Only a
# single row of data indicates constant convection.
#-----------------------------------------------------------
*AMBIENT TEMPERATURE
# Units: [degC]
30.5
#-----------------------------------------------------------
*MATERIAL PROPERTIES
# For all properties with two columns of data, temperature
# is in the second column.
*MATID
1 # Inconel 625 #
*CONDUCTIVITY
# Units: [W/(mm-degC)], [degC]
9.8d-3, 21
*DENSITY
# Units: [kg/(mm^3)]
8.44E-06
*SPECIFIC HEAT
# Units: [J/(kg-degC)], [degC]
410 21
#-----------------------------------------------------------
*END
Coarse model mechanical analysis input file 03_mechanical.in
# Lines beginning with a pound/hash (#) are comment statements.
*TITLE
Mechanical analysis for part scale powder bed model
#-----------------------------------------------------------
*PBDL
1
# all geometries on the build plate are being modeled
#-----------------------------------------------------------
*SBDM
-40,20,-40,20
# extend the size of the default substrate
#-----------------------------------------------------------
*INIT
25
# cool build plate to room temp before part removal
#-----------------------------------------------------------
*FIXC
10, -40, -40 # add fixturing
#-----------------------------------------------------------
*PBPA
14 #
# layers per element thickness
#-----------------------------------------------------------
*PBLR
1
# add 1 level of refinement before element activation
#-----------------------------------------------------------
*STLF
part.stl
#-----------------------------------------------------------
*PBPF
pp.prm
# process parameter file
#-----------------------------------------------------------
*ADAPT
4
# Number of refinement levels for adaptive meshing.
#-----------------------------------------------------------
*TRANSIENT
0, 100000, 0.1, 5000, 0.01, 250, 10, 99999
#-----------------------------------------------------------
*ANTP
4
# 4: Quasi static incremental
#-----------------------------------------------------------
*SOLUTION PARAMETERS
15, 1.d-5, 1.0e+100
# max number of iterations, tolerance, max residual
#-----------------------------------------------------------
*DEPENDENT
t1 # Name of the thermal input file (without *.in) to be used
# as temperature input.
#----------------------------------------------------------
*DDM!
0, -25
# substrate top z coord, substrate bottom z coord, offset
# time for layer activation
#------------------------------------------------------------
*MATERIAL PROPERTIES
*MATID
1
# Inconel 625
*ELASTIC
# Elastic modulus, Poisson's ratio, temperature
# Units: [N/(mm^2),[unitless], [degC]
.208d+06, .278, 21.
*EXPANSION
# Units: [(micro m)/(m-degC)], [degC]
20.,
.128D-04, 21.
#-----------------------------------------------------------
*AMBIENT TEMPERATURE
# Units: [degC]
30.5
#-----------------------------------------------------------
*END