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我找了一个高斯热源加载的APDL，但是中间有些地方不是很明白，望高手教教我，谢谢！三维移动高斯分布热源表面焊命令流
/prep7
/UNITS,si
et,1,solid70
mp,c,1,544.28
mp,kxx,1,15.06
mp,dens,1,4500
block,0,30,0,15,0,3
esize,1
vmesh,all
FINISH
/SOLU
!PARAMETER TABLE TO INPUT HEAT FLUX AS A MOVING SOURCE
!SPEED OF HEAT SOURCE IN X DIRECTION v=(200/60)m/s
!GAUSS VARIATION ASSUMED IN X & Y DIRECTION AS q=qmax/EXP(K*R**2)
!TOTAL HEAT INPUT Q=3.14*qmax/K
!DIMENSIONING TABLE NAMED "FLUX2"
v=1
L=30
NUM_TIME=L/v+1
NUM_X=L/v+1
*DIM,FLUX2,TABLE,NUM_TIME,NUM_X,7,TIME,X,Y
*DO,K,1,7,1
*DO,I,1,NUM_TIME,1
FLUX2(I,0,K)=(I-1)
*ENDDO
*DO,J,1,NUM_X,1
FLUX2(0,J,K)=(J*v-v)
*ENDDO
Q=1000
KAPA=1/4
qmax=((Q*KAPA)/3.14159)
PERCENT=0.98
RADIUS=ABS(SQRT(1/KAPA*LOG(1/(1-PERCENT))))
!N=
*DO,ANTIME,1,NUM_TIME,1
*DO,N,0,15,1
XDIST=(N*v)
*IF,(ANTIME-N),GT,0,THEN
*IF,SQRT((XDIST)**2+((RADIUS/6)*(K-1))**2),LE,RADIUS,THEN
!
GAUSS=qmax/EXP(KAPA*((XDIST)**2+((RADIUS/6)*(K-1))**2))
FLUX2(ANTIME,ANTIME-N,K)=GAUSS*10e5
!
*ELSE
*ENDIF
*ENDIF
!
*IF,(ANTIME+N),LE,NUM_TIME,THEN
*IF,SQRT((XDIST)**2+((RADIUS/6)*(K-1))**2),LE,RADIUS,THEN
!
GAUSS=qmax/EXP(KAPA*((XDIST)**2+((RADIUS/6)*(K-1))**2))
FLUX2(ANTIME,ANTIME+N,K)=GAUSS*10e5
!
*ELSE
*ENDIF
*ENDIF
*ENDDO
*ENDDO
!
!INPUT Y DIRECTION DIVISIONS
!---------------------------
FLUX2(0,0,K)=(K-1)*(RADIUS/6)
*ENDDO
antype,trans
tunif,20
kbc,1
*SET,delt,1
timint,on
autots,off
*do,tm,1e-6,30,0.5
/VIEW, 1 ,1,1,1
/ANG, 1
/REP,FAST
FLST,2,1,5,ORDE,1
FITEM,2,2
/GO
!*
TIME,tm
AUTOTS,0
DELTIM, , , ,1
KBC,0
!*
TSRES,ERASE
FLST,2,1,5,ORDE,1
FITEM,2,2
/GO
!*
!*
SFA,P51X,1,HFLUX, %FLUX2%
/STATUS,SOLU
SOLVE
OUTRES,ALL,ALL,
/PSF,hflux,,2
/replot
*enddo
OUTRES,ALL,ALL,
FINISH
问题（1）是为什么要在循环加载中用两次
FLST,2,1,5,ORDE,1
FITEM,2,2
/GO
!*
!*
（2）在加载过程中为什么是AUTOTS,0 ？
AUTOTS，0是否就是AUTOTS，OFF？
此处用ＡＵＴＯＴＳ，０是有什么原因吗？
还有DELTIM, , , ,1 中省略了几个参数是该做如何理解，该把他们理解为多少？
（３）TSRES,ERASE 是什么意思？好像用到不是很多。 怎么没人啊 这些都是apdl语言，看一下help中的说明
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