为什么我利用ansys的单元生死功能,逐次激活单元,先激活的单元施加恒定的温度,并进行热分析,但是分析后没有被激活的单元会有温度,这是怎么回事?请指导!下面是我的命令:
/PREP7
ET,1,SOLID70
*SET,L1,0.01
*SET,W1,0.002
*SET,H1,0.001
*SET,TMP_TF,200
*SET,SHIJIAN,0.1
MP,DENS,1,8400
MP,KXX,1,50
MP,C,1,176
BLC4,-L1/2,-2*W1,2*L1,5*W1,-2*H1
BLC4,0,0,L1,W1,H1
KWPLAN,-1, 9, 16, 10
FLST,2,2,6,ORDE,2
FITEM,2,1
FITEM,2,-2
VSBW,P51X
KWPLAN,-1, 12, 14, 10
FLST,2,3,6,ORDE,2
FITEM,2,2
FITEM,2,-4
VSBW,P51X
KWPLAN,-1, 11, 15, 12
FLST,2,5,6,ORDE,4
FITEM,2,1
FITEM,2,-2
FITEM,2,5
FITEM,2,-7
VSBW,P51X
KWPLAN,-1, 11, 9, 15
FLST,2,7,6,ORDE,4
FITEM,2,1
FITEM,2,-5
FITEM,2,8
FITEM,2,-9
VSBW,P51X
VGLUE,ALL
LSEL,S,LENGTH,,L1,,,0
LESIZE,ALL,L1/10,,,,0,,,0
LSEL,S,LENGTH,,W1,,,0
LESIZE,ALL,W1,,,,0,,,0
LSEL,S,LENGTH,,H1,,,0
LESIZE,ALL,H1,,,,0,,,0
VMESH,ALL
NUMCMP,ALL
NUMMRG,ALL
/SOLU
rescont,,all,all
ANTYPE,4,NEW
NROPT,FULL
tunif,20 !初始温度
tref,20 !参考温度
kbc,1 !阶跃载荷
ESEL,S,ELEM,,40,49
EKILL,ALL
ALLSEL,ALL
ESEL,S,ELEM,,40
EALIVE,ALL
ESEL,S,ELEM,,40
*DO,i,1,8,1
D,NELEM(40,i),TEMP,TMP_TF
*ENDDO
TIME,SHIJIAN
ESEL,S,ELEM,,40
NSLE,S,1
SF,ALL,CONV,40,50
ESEL,S,LIVE
NSLE,S
NSEL,INVE
D,ALL,ALL,0
NSEL,ALL
ESEL,ALL
SOLVE
save
parsav,,parameter
FINISH

![ansys怎么限制热量向死单元进行热传递]()
QQ截图20151120113520.jpg |