*HEADING Thermal analysis of printing a 42-layer thinwall (LDED, Inconel625) Inter-layer dwell time 0s ** Units: **------------------------------------------------ *INCLUDE, INPUT=ABQ_am_special_purpose_types.inp **------------------------------------------------ *INCLUDE, INPUT = mesh_thinwall_ht.inp *SOLID SECTION, MATERIAL=Inconel625, ELSET=PartToFabricate *SOLID SECTION, MATERIAL=Inconel625, ELSET=Substrate *SOLID SECTION, MATERIAL=Aluminum, ELSET=Clamp *ELEMENT PROGRESSIVE ACTIVATION, NAME="LDED.Printing", ELSET=PartToFabricate **------------------------------------------------ *PHYSICAL CONSTANTS, ABSOLUTE ZERO=-273.15, STEFAN BOLTZMANN=5.67e-11 ** Stefan Boltzmann constant unit: mW/(mm^2.C^4) **------------------------------------------------ *MATERIAL, NAME=Aluminum *DENSITY ** Unit: tonne/mm^3 2.70e-9 *CONDUCTIVITY ** Unit: mW/(mm.C) 237 *SPECIFIC HEAT ** Unit: mJ/(tonne.C) 9.1e+8 ** *MATERIAL, NAME=Inconel625 *DENSITY ** Unit: tonne/mm^3 8.44e-09 *CONDUCTIVITY ** Unit: mW/(mm.C) 9.9, 20. 10.8, 93. 12.5, 205. 14.1, 315. 15.7, 425. 17.5, 540. 19.0, 650. 20.8, 760. 22.8, 870. *SPECIFIC HEAT ** Unit: mJ/(tonne.C) 410e+06, 20. 427e+06, 93. 456e+06, 205. 481e+06, 315. 511e+06, 425. 536e+06, 540. 565e+06, 650. 590e+06, 760. 620e+06, 870. *LATENT HEAT, SMOOTH ** Unit: mJ/tonne, C, C 272E9, 1290., 1350., 18. **------------------------------------------------ **Material Deposition *PARAMETER beadWidth = 3.35 beadHeight = 0.9071 ** *TABLE COLLECTION, NAME="ABQ_AM.MaterialDeposition" *PARAMETER TABLE, TYPE= "ABQ_AM_MaterialDeposition" "LDED.PrintHeadDepositionTrajectory","Bead" ** *PARAMETER TABLE, TYPE= "ABQ_AM_MaterialDeposition_Bead" "Z", , , 0.,"Below" ** *PARAMETER TABLE, TYPE= "ABQ_AM_MaterialDeposition_Advanced" "Full",0.0,0.0,0.01,,, **------------------------------------------------ **Moving heat source *PARAMETER laserSpotRadius = 2. penetrationDepth = 1.1 GoldakParamA = laserSpotRadius GoldakParamB = penetrationDepth GoldakParamCF = laserSpotRadius GoldakParamCR = laserSpotRadius GoldakParamFF = 2*(GoldakParamCF)/(GoldakParamCR+GoldakParamCF) GoldakParamFR = 2*(GoldakParamCR)/(GoldakParamCR+GoldakParamCF) ** *TABLE COLLECTION, NAME="ABQ_AM.EnergyInput" *PARAMETER TABLE, TYPE="ABQ_AM_MovingHeatSource" "LDED.LaserPath","Goldak" *PARAMETER TABLE, TYPE="ABQ_AM_MovingHeatSource_Advanced" "True","False","Relative",0.0,0.0,-1.0, 1.0 *PARAMETER TABLE, TYPE="ABQ_AM_MovingHeatSource_Goldak" 10, 10, 10, , , , , , , 1.25 *PROPERTY TABLE, TYPE="ABQ_AM_AbsorptionCoeff" 0.4 **------------------------------------------------ *Event Series, Name="LDED.PrintHeadDepositionTrajectory", Type="ABQ_AM_MaterialDeposition", Time=Total, input=es_thinwall_dwell40.inp *Event Series, Name="LDED.LaserPath", Type="ABQ_AM_PowerMagnitude", Time=Total, input=es_thinwall_dwell40.inp **------------------------------------------------ *INITIAL CONDITIONS,TYPE=TEMPERATURE All, 26. **------------------------------------------------ *STEP,INC=80000, NAME=Printing, UNSYMM=YES, EXTRAPOLATION=NO *HEAT TRANSFER 0.5, 3474.24, 0.5e-10,0.5 *ACTIVATE ELEMENTS,ACTIVATION="LDED.Printing" "ABQ_AM.MaterialDeposition" *DFLUX PartAndSubstrate, MBFNU, , "ABQ_AM.EnergyInput" *FILM All, FFS, 26., 18e-3 ** Unit: mW/(mm^2.C) *RADIATE All, RFS, 26., 0.28 *OUTPUT,FIELD,FREQ=1 *NODE OUTPUT NT *OUTPUT, HISTORY, FREQ=1 *NODE OUTPUT, NSET=NOutputTC1 NT *NODE OUTPUT, NSET=NOutputTC2 NT *NODE OUTPUT, NSET=NOutputTC3 NT *END STEP **------------------------------------------------ *STEP, INC=80000, NAME=Cooling, UNSYMM=YES, EXTRAPOLATION=NO *HEAT TRANSFER 10, 500, 10E-10, 10 *FILM All, FFS, 26., 18e-3 ** Unit: mW/(mm^2.C) *RADIATE All, RFS, 26., 0.28 *OUTPUT,FIELD,FREQ=1 *NODE OUTPUT NT *OUTPUT, HISTORY, FREQ=1 *NODE OUTPUT, NSET=NOutputTC1 NT *NODE OUTPUT, NSET=NOutputTC2 NT *NODE OUTPUT, NSET=NOutputTC3 NT *END STEP **------------------------------------------------ *STEP, INC=80000, NAME=MoreCooling, UNSYMM=YES, EXTRAPOLATION=NO *HEAT TRANSFER 100, 10000, 100E-10, 100 *FILM All, FFS, 26., 18e-3 ** Unit: mW/(mm^2.C) *RADIATE All, RFS, 26., 0.28 *OUTPUT,FIELD,FREQ=1 *NODE OUTPUT NT *OUTPUT, HISTORY, FREQ=1 *NODE OUTPUT, NSET=NOutputTC1 NT *NODE OUTPUT, NSET=NOutputTC2 NT *NODE OUTPUT, NSET=NOutputTC3 NT *END STEP **===================================================================