激光熔覆ansys仿真

1、!上表面上沒有對流換熱邊界條件!單位制:米、秒、攝氏度!/CLEAR,START/FILNAME,temp,0/COM,ANSYS RELEASE 10.0 UP20050718 20:15:52 07/14/2007/CONFIG, NRES, 5000/PREP7 !* !====================================================================

2、===========================!指定單元 ET,1,SOLID70!* !* !===============================================================================================!材料屬性MPTEMP,,,,,,,, MPTEMP,1,0MPTEMP,2,1350 MPTEMP,3,1400MPTEMP,4,1420

3、 MPTEMP,5,1440MPTEMP,6,1490 MPTEMP,7,2000 MPDATA,ENTH,1,,0MPDATA,ENTH,1,,6.5e9MPDATA,ENTH,1,,7.2e9MPDATA,ENTH,1,,8e9MPDATA,ENTH,1,,9e9 MPDATA,ENTH,1,,9.9e9 MPDATA,ENTH,1,,12.84e9MPTEMP,,,,,,,, MPTEMP,1,0 MPTEMP,2,

4、200MPTEMP,3,400MPTEMP,4,800MPTEMP,5,1440MPTEMP,6,2000 MPDATA,KXX,1,,14.7 MPDATA,KXX,1,,18MPDATA,KXX,1,,20.8 MPDATA,KXX,1,,26.3 MPDATA,KXX,1,,34.7 Area=3.14159265*(Radius**2) !激光光斑面積Factor=0.25

5、 !吸收因子StepTime=StepDis/Velocity !每個載荷步時間TotalTime=(Length+Radius*2)/Velocity !載荷持續(xù)時間(掃描一層)StepNum=(Length+Radius*2)/StepDis !載荷步數(shù)!===========================

6、====================================================================!建模BLOCK,0,Length,0,Height_Deposition,0,Width_Clad, !覆層BLOCK,0,Length,0,-Height_Base,0,Width_Clad, !基底BLOCK,0,Length

7、,0,-Height_Base,Width_Clad,Width_Base VGLUE,ALLNUMCMP,ALL ！壓縮對象編號!===============================================================================================!劃分網(wǎng)格LESIZE

8、,18,,,15,0.125 LESIZE,22,,,15,8 LESIZE,24,,,15,8LESIZE,26,,,15,8LESIZE,28,,,15,8LESIZE,20,,,15,8 LESIZE,21,,,15,8LESIZE,23,,,15,8LESIZE,25,,,15,8LESIZE,27,,,15,8LSEL, S, LOC, Y, dt, Height_Deposition-dt,

9、 !覆層高度方向的單元數(shù)目LESIZE, ALL, , , Layer,LSEL, S, LOC, X, dt, Length-dt, !長度方向的單元數(shù)目LESIZE, ALL, , , Length/StepDis,LSEL, S, LOC, Z, dt, Width_Clad-dt, !寬度方向的單元數(shù)目LESIZ