
激光熔覆ANSYS仿真.doc
17页上表面上没有对流换热边界条件!单位制:米、秒、摄氏度!/CLEAR,STARTﻫ/FILNAME,temp,0/COM,ANSYS RELEASE 10.0 UP0718 20:15:52 07/14/ﻫ/CONFIG, NRES, 5000ﻫ/PREP7 !* !===============================================================================================!指定单元 ET,1,SOLID70!* !* !===============================================================================================!材料属性MPTEMP,,,,,,,, MPTEMP,1,0ﻫMPTEMP,2,1350 ﻫMPTEMP,3,1400ﻫMPTEMP,4,1420 MPTEMP,5,1440MPTEMP,6,1490 MPTEMP,7, MPDATA,ENTH,1,,0MPDATA,ENTH,1,,6.5e9MPDATA,ENTH,1,,7.2e9ﻫMPDATA,ENTH,1,,8e9ﻫMPDATA,ENTH,1,,9e9 ﻫMPDATA,ENTH,1,,9.9e9 ﻫMPDATA,ENTH,1,,12.84e9ﻫﻫMPTEMP,,,,,,,, MPTEMP,1,0 ﻫMPTEMP,2,200ﻫMPTEMP,3,400MPTEMP,4,800MPTEMP,5,1440ﻫMPTEMP,6, MPDATA,KXX,1,,14.7 MPDATA,KXX,1,,18MPDATA,KXX,1,,20.8 ﻫMPDATA,KXX,1,,26.3 ﻫMPDATA,KXX,1,,34.7 ﻫMPDATA,KXX,1,,51.5ﻫﻫMPTEMP,,MPTEMP,1,0 MPTEMP,2,200ﻫMPTEMP,3,400ﻫMPTEMP,4,800ﻫMPTEMP,5,1200MPTEMP,6, ﻫMPDATA,C,1,,494 ﻫMPDATA,C,1,,536 ﻫMPDATA,C,1,,569 MPDATA,C,1,,644 MPDATA,C,1,,669 MPDATA,C,1,,729MPTEMP,,,,,,,, ﻫMPTEMP,1,0 ﻫMPDATA,DENS,1,,7700 ﻫ!===============================================================================================!定义常量ﻫWidth_Base=0.025 !宽度ﻫHeight_Base=0.02 !基底高度ﻫLength=0.05 !长度ﻫWidth_Clad=0.0015 !宽度Height_Deposition=0.0025 !覆层高度ﻫLayer=10 !层数ﻫHeight_Clad=Height_Deposition/layerﻫdt=0.00001 !小量Temp=50 !环境温度ﻫInit_Temp=200 !初始温度Coff_Conv=30 !对流换热系数!===============================================================================================!定义常量Velocity=0.003 !扫描速度StepDis=0.001 !每个载荷步位移ﻫﻫLaserPower=700 !激光功率Radius=0.0015 !激光光斑半径Area=3.14159265*(Radius**2) !激光光斑面积Factor=0.25 !吸取因子ﻫStepTime=StepDis/Velocity !每个载荷步时间ﻫTotalTime=(Length+Radius*2)/Velocity !载荷持续时间(扫描一层)StepNum=(Length+Radius*2)/StepDis !载荷步数ﻫ!===============================================================================================!建模ﻫBLOCK,0,Length,0,Height_Deposition,0,Width_Clad, !覆层BLOCK,0,Length,0,-Height_Base,0,Width_Clad, !基底ﻫBLOCK,0,Length,0,-Height_Base,Width_Clad,Width_Base VGLUE,ALLNUMCMP,ALL !压缩对象编号ﻫﻫ!===============================================================================================!划分网格ﻫLESIZE,18,,,15,0.125 ﻫLESIZE,22,,,15,8 LESIZE,24,,,15,8ﻫ LESIZE,26,,,15,8ﻫLESIZE,28,,,15,8ﻫﻫLESIZE,20,,,15,8 ﻫLESIZE,21,,,15,8ﻫLESIZE,23,,,15,8 ﻫLESIZE,25,,,15,8ﻫLESIZE,27,,,15,8LSEL, S, LOC, Y, dt, Height_Deposition-dt, !覆层高度方向旳单元数目ﻫLESIZE, ALL, , , Layer,ﻫLSEL, S, LOC, X, dt, Length-dt, !长度方向旳单元数目ﻫLESIZE, ALL, , , Length/StepDis,ﻫLSEL, S, LOC, Z, dt, Width_Clad-dt, !宽度方向旳单元数目ﻫLESIZE, ALL, , , 5,ﻫVSEL,ALL !网格划分ﻫTYPE,1MAT,1ﻫMSHAPE,0,3D MSHKEY,1ﻫVMESH,ALLﻫﻫﻫ!===============================================================================================!基底边界条件、初始条件NSEL, S, LOC, Y, -Height_Base, 0 !基底初始温度ﻫIC,ALL,TEMP,Init_TempALLSEL,ALLﻫNSEL, S, LOC, Y, -Height_Base, 0 !基底侧面,对流换热边界条件ﻫNSEL, R, LOC, Z, Width_BaseSF, ALL, CONV, Coff_Conv, TempALLSEL,ALLﻫﻫNSEL, S, LOC, Y, -Height_Base, 0 !基底左端面,对流换热边界条件ﻫNSEL, R, LOC, X, 0SF, ALL, CONV, Coff_Conv, TempALLSEL,ALLﻫNSEL, S, LOC, Y, -Height_Base, 0 !基底右端面,对流换热边界条件ﻫNSEL, R, LOC, X, LengthﻫSF, ALL, CONV, Coff_Conv, TempALLSEL,ALLﻫﻫNSEL, S, LOC, Y, 0 !基底上表面,对流换热边界条件NSEL, R, LOC, Z, Width_Clad, Width_BaseﻫSF, ALL, CONV, Coff_Conv, TempALLSEL,ALLﻫFINISHﻫﻫ/SOLUﻫﻫ!===============================================================================================!瞬态分析参数设立ﻫANTYPE,4 !分析类型:瞬态!* TRNOPT,FULL !求解措施:完全旳N-R措施ﻫLUMPM,0 !不使用集中质量矩阵ﻫ!* !NSUBST, 1 !指定载荷子步数目ﻫDELTIM,0.01,0.001,0.05 !载荷子步(默认子步时间步长、最小、最大)——载荷步为0.333CNVTOL,HEAT, ,0.01,1,0.000001, !收敛准则:控制热流ﻫOUTRES,NSOL,LAST !成果输出:所有ﻫﻫ!===============================================================================================!杀死单元ﻫNSEL, S, LOC, Y, 0, Height_。












