4.4.1 Thermal analysis input file therm.in
*TITLE Moving adaptive mesh # # # These are comment statements # #------------------------------------------------------------ *TRANSIENT 0, 480 , 0.0001, 20., 0.0001, 0.25, 5, 900000 # time [s] incrementation control # input the begin time, end time, inital time increment, # maximum allowable time increment, min allowable time increment, # time tolerance # maximum number of cutbacks per increment # maximum total number of increments allowed. #------------------------------------------------------------ *ANTP 2 # 0: Steady state conduction # 2: Transient thermal analysis # 3: Eulerian analysis # 4: Quasi static incremental # degrees of freedom are 3 for mech. analysis & 1 for thermal # #------------------------------------------------------------ *SOLUTION PARAMETERS 15, 1.d-4, 1.0e+20 # max number of iterations, tolerance, max residual #------------------------------------------------------------ *DDM! 0,-12.7 # # substrate top z coord, substrate bottom z coord, offset # time for layer activation #------------------------------------------------------------ *GOLD 0.40, 0.6, 1, 1, 1, 1, # # efficiency, bm, cm1, cm2, f1, f2 # # axes used in heat source: # # a = laser radius # b = bm*a # c1= cm1*a # c2= cm2*a #------------------------------------------------------------ # # max of 40 values all tempeerature dependent values # # *CONVECTION COEFFICIENTS .000010 0 # Units: [W/((mm^2)-degC)], [degC] #------------------------------------------------------------ *EVAP 3000. # Units: [degC] # #------------------------------------------------------------ *AMBIENT TEMPERATURE 25.0 # Units: [degC] # #------------------------------------------------------------ *TAUT # Automatically adjust time steps according to laser radius # and speed. Time steps are set to # radius * tauto / velocity #------------------------------------------------------------ *ADPM 50 # temperature tolerance for coarsening elements # Units: [degC] #------------------------------------------------------------ *ADAPT 4 # Number of refinement levels for adaptive meshing. #------------------------------------------------------------ *MATERIAL PROPERTIES # Inconel 718 substrate *MATID 1 *CONDUCTIVITY # Units: [W/(mm-degC)], [degC] 11.4d-3, 20 12.5d-3, 100 14.0d-3, 300 15.5d-3, 500 21.5d-3, 700 31.3d-3, 1350 *DENSITY # Units: [kg/(mm^3)] 8.146E-06 *SPEC # Units: [J/(kg-degC)], [degC] 427, 20 441, 100 481, 300 521, 500 561, 700 601, 900 691, 1350 *LATENT HEAT # Units: [J/(kg], [degC], [degC] 227e3, 1200, 1400 *EMIS # Units [unitless], [degC] 0.58 22 *LSRP 153, 0.08, 600, 0, 0.1, 20, 1, 11.5, 67, 3.2, 3.2 #automatically generates the heat source path #------------------------------------------------------------ *AUTM #automatically generates the mesh #------------------------------------------------------------ *END
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