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521majie

铁虫 (小有名气)

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虫号: 3046058

[交流] 一个单层多道的例子，但是总是在进行一道之后，热源就不再移动了。

找了一个单层多道的例子，但是总是在进行一道之后，热源就不再移动了。
/UNITS,SI
/CONFIG,NRES,10000
/PREP7
ET,1,SOLID70    !单元类型，1表示此单元编号为1
MP,DENS,1,7930 !定义材料密度
MP,C,1,502    !定义材料比热
mptemp,1,20,100,500
mpdata,kxx,1,1,12.1,16.3,21.4 !kxx热导系数
/VIEW,1,1,1,1
!*************定义基板尺寸***********
lx=0.1
lz=0.1
ly=0.006       !基板大小
!*************定义焊接参数***********
layer=2       !总的焊接道数
lap=1/3       !两道之间搭接量
weld=0.01       !每道焊道宽度
wweld=layer*weld-(layer-1)*lap*weld    !焊道的总宽度
wheight=0.004 !焊道的高度
remain=0.03

LSIZE=0.002
V=0.008       !速度
pi=3.1415926
U=25
I=180
Q=U*I          !电源有效功率（在此，可以对Q通过UI来调整）
R=0.006       !电源有效热半径
effect=0.8
Qmax=effect*Q/(pi*R*R)    !中心处最大热流
tm=(lx-2*remain)/V       !一道的总时间
tinc=LSIZE/V             !每小段的时间间隔

!*****************建立模型，生成网格**************
block,0,lx,0,ly,0,lz       !创建一个块体积，可以根据基板尺寸调整坐标
wpoff,remain,ly,(lz-wweld)/2  !随着坐标系轴的变化平移工作平面
block,0,lx-2*remain,0,wheight,0,wweld
vsbw,all,,delete             !对block布尔运算
wpoff,,,wweld
vsbw,all,,delete
wprota,90,90                !转动工作面
vsbw,all,,delete
wpoff,,,lx-2*remain
vsbw,all,,delete
save

vglue,all                   !粘合所有的几何体

lsel,s,,,9,12,1
lsel,a,,,25,26,1
lsel,a,,,30
lsel,a,,,32
lsel,a,,,38
lsel,a,,,45
lsel,a,,,59
lsel,a,,,73
lesize,all,0.005,,,0.2,,,,1

allsel,all
lsel,s,,,13,16,1
lsel,a,,,19,21,1
lsel,a,,,23,24,1
lsel,a,,,34
lsel,a,,,41,44,1
lsel,a,,,63,64,1
lsel,a,,,77,78,1
lsel,a,,,81,82,1
lesize,all,0.001,,,1,,,,1

allsel,all
lsel,s,,,1
lsel,a,,,3,6,1
lsel,a,,,8
lsel,a,,,27
lsel,a,,,29
lsel,a,,,31
lsel,a,,,33
lsel,a,,,35
lsel,a,,,37
lsel,a,,,40
lsel,a,,,50
lsel,a,,,53
lsel,a,,,55
lsel,a,,,62
lsel,a,,,67
lsel,a,,,69
lsel,a,,,85
lesize,all,0.002,,,1,,,,1

allsel,all
lsel,s,,,46
lsel,a,,,86
lsel,a,,,88
lesize,all,0.001,,,5,,,,1

allsel,all
vsweep,all

/PNUM,DEFA
EPLOT
fini
!*******************进入后处理器*********************
/solu
antype,trans,new
!nlgeom,on
timint,0,struct
timint,1,therm
timint,0,mag
timint,0,elect
tref,25
nropt,auto
autos,on
kbc,0
pred,on
lnsrch,on
!************杀死焊缝去单元***********
nsel,s,loc,y,ly,ly+wheight
esln,s,1
ekill,all
allsel,all

esel,s,live
eplot

!**********施加对流载荷*************
esel,s,live
nsel,s,loc,z,0
nsel,a,loc,z,lz
nsel,a,loc,x,0
nsel,a,loc,x,lx
sf,all,conv,10,25

!************定义数组维数**********
MAX_TIME=1+tm/tinc
!MAX_X=1+(lx-2*remain)/LSIZE
MAX_X=1+lx/LSIZE
MAX_Z=1+lz/LSIZE

!*************定义table数组

!******************************************
*DIM,heatflux,TABLE,MAX_X,MAX_Z,MAX_TIME,X,Z,TIME
*do,n,1,layer,1
m=mod(n,2)       !返回n/2的余数部分
*if,m,eq,1,then
!n=1
      *DO,K,1,MAX_TIME,1
      *DO,I,1,MAX_X,1
      heatflux(I,0,K)=(I-1)*LSIZE
      *ENDDO
      *DO,J,1,MAX_Z,1
      heatflux(0,J,K)=(J-1)*LSIZE
      *ENDDO
      *DO,I,1,MAX_X,1
      *DO,J,1,MAX_Z,1
      XCENTER=remain+V*(K-1)*tinc
      ZCENTER=2*(n-1)*weld/3+(lz-wweld)/2+weld/2
      DISTANCE=SQRT(((I-1)*LSIZE-XCENTER)**2+((J-1)*LSIZE-ZCENTER)**2)
      *IF,DISTANCE,LE,R,THEN
      heatflux(I,J,K)=Qmax/EXP(2*DISTANCE**2/(R**2))
      *ELSE
      heatflux(I,J,K)=0
      *ENDIF
      *ENDDO
      *ENDDO
      heatflux(0,0,K)=(K-1)*tinc
!**********激活单元*********
      esel,s,live
      nsel,s,loc,x,xcenter-0.002,xcenter+0.001
      nsel,r,loc,z,zcenter-weld/2,zcenter+weld/2
      nsel,r,loc,y,ly,ly+wheight
      esln,s,0
      ealive,all
      allsel,all

!**********施加热流载荷**********
      esel,s,live
      nsel,s,loc,Y,ly
      sf,all,hflux,%heatflux%
      allsel,all

!************求解*****************
      time,(n-1)*(tm+tinc)+k*lsize/v
      nsubst,2
      SOLVE
!*************删除热流载荷***********
      nsel,s,loc,y,ly
      sfdele,all,hflux
      allsel,all

      esel,s,live
      eplot

      OUTRES,ALL,ALL,
      /PSF,HFLUX,,2
      /REPLOT
      OUTRES,ALL,ALL,
      *ENDDO

*else
!n=2
      *DO,K,1,MAX_TIME,1
      *DO,I,1,MAX_X,1
      heatflux(I,0,K)=(I-1)*LSIZE
      *ENDDO
      *DO,J,1,MAX_Z,1
      heatflux(0,J,K)=(J-1)*LSIZE
      *ENDDO
      *DO,I,1,MAX_X,1
      *DO,J,1,MAX_Z,1
      XCENTER=lx-remain-V*(K-1)*tinc
      ZCENTER=2*(n-1)*weld/3+(lz-wweld)/2+weld/2
      DISTANCE=SQRT(((I-1)*LSIZE-XCENTER)**2+((J-1)*LSIZE-ZCENTER)**2)
      *IF,DISTANCE,LE,R,THEN
      heatflux(I,J,K)=Qmax/EXP(2*DISTANCE**2/(R**2))
      *ELSE
      heatflux(I,J,K)=0
      *ENDIF
      *ENDDO
      *ENDDO
      heatflux(0,0,K)=(K-1)*tinc
!**********激活单元*********
      esel,s,live
      nsel,s,loc,x,xcenter-0.001,xcenter+0.002
      nsel,r,loc,z,zcenter-weld/2,zcenter+weld/2
      nsel,r,loc,y,ly,ly+wheight
      esln,s,0
      ealive,all
      allsel,all

!**********施加热流载荷**********
      esel,s,live
      nsel,s,loc,Y,ly
      sf,all,hflux,%heatflux%
      allsel,all

!************求解*****************
      time,(n-1)*(tm+tinc)+k*lsize/v
      nsubst,2
      SOLVE
!*************删除热流载荷***********
      nsel,s,loc,y,ly
      sfdele,all,hflux
      allsel,all

      esel,s,live
      eplot

      OUTRES,ALL,ALL,
      /PSF,HFLUX,,2
      /REPLOT
      OUTRES,ALL,ALL,
      *ENDDO
*endif
*enddo
FINISH

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