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【求助】模拟焊接温度分布,求解过程出现这种错误提示
我用一块平板,在上面堆焊,模拟焊接温度分布,求解过程出现这种错误提示,弄了半天,也不知是怎么回事,请问各位这个是什么原因?【求助】模拟焊接温度分布,求解过程出现这种错误提示
以下是file里的命令:不好意思,我的金币数不多,跪谢了!
BATCH
/COM,ANSYS RELEASE 14.0 UP20111024 16:42:48 05/05/2014
RESUME,'ciaochicun25','db','H:/ANSYS'
/COM,ANSYS RELEASE 14.0 UP20111024 16:42:48 05/05/2014
/SOLU
!*
TUNIF,20,
FLST,2,18,5,ORDE,6
FITEM,2,1
FITEM,2,-4
FITEM,2,7
FITEM,2,-9
FITEM,2,11
FITEM,2,-21
/GO
!*
SFA,P51X,1,CONV,30,20
FLST,2,2,5,ORDE,2
FITEM,2,5
FITEM,2,10
/GO
!*
!*
SFA,P51X,1,HFLUX, %GAOSI%
!*
TIME,L/V
AUTOTS,-1
NSUBST,50,50,50,1
KBC,0
!*
TSRES,ERASE
LSWRITE,1,
!*
TIME,50
AUTOTS,-1
NSUBST,30,30,30,1
KBC,0
!*
TSRES,ERASE
LSWRITE,2,
!*
TIME,1100
AUTOTS,-1
NSUBST,105,105,105,1
KBC,0
!*
TSRES,ERASE
LSWRITE,3,
! solve
/BATCH
/COM,ANSYS RELEASE 14.0 UP20111024 21:30:09 05/05/2014
/input,menust,tmp,'',,,,,,,,,,,,,,,,1
/COM,ANSYS RELEASE 14.0 UP20111024 21:30:10 05/05/2014
/GRA,POWER
/GST,ON
/PLO,INFO,3
/GRO,CURL,ON
/CPLANE,1
/REPLOT,RESIZE
WPSTYLE,,,,,,,,0
/REPLOT,RESIZE
EPLOT
APLOT
LPLOT
APLOT
!*
/NOPR
KEYW,PR_SET,1
KEYW,PR_STRUC,1
KEYW,PR_THERM,1
KEYW,PR_FLUID,0
KEYW,PR_ELMAG,0
KEYW,MAGNOD,0
KEYW,MAGEDG,0
KEYW,MAGHFE,0
KEYW,MAGELC,0
KEYW,PR_MULTI,1
KEYW,PR_CFD,0
/GO
!*
/COM,
/COM,Preferences for GUI filtering have been set to display:
/COM, Structural
/COM, Thermal
!*
/PREP7
!*
LPLOT
/REPLOT
LPLOT
/REPLOT
!*
FINISH
! /EXIT,NOSAV
/BATCH
/COM,ANSYS RELEASE 14.0 UP20111024 13:57:33 05/06/2014
/input,menust,tmp,'',,,,,,,,,,,,,,,,1
/COM,ANSYS RELEASE 14.0 UP20111024 13:57:33 05/06/2014
/GRA,POWER
/GST,ON
/PLO,INFO,3
/GRO,CURL,ON
/CPLANE,1
/REPLOT,RESIZE
WPSTYLE,,,,,,,,0
APLOT
APLOT
/REPLOT
/PREP7
!*
!*
K,1,0,0,0,
*SET,I , 160
*SET,H , 5000000000E-03
*SET,W ,0.1
*SET,Q , U*I*YITA
*SET,H , 0.006
*SET,QM , 27284509.2
/PNUM,KP,1
/PNUM,LINE,0
/PNUM,AREA,1
/PNUM,VOLU,0
/PNUM,NODE,0
/PNUM,TABN,0
/PNUM,SVAL,0
/NUMBER,0
!*
/PNUM,ELEM,0
/REPLOT
!*
K,2,0,0.1,0,
K,3,-0.05*0.15,0.1,0,
K,4,-0.05*0.3,0.1,0,
K,5,-0.05*5,0.1,0,
KDELE, 5
K,5,-0.05*0.5,0.1,0,
K,6,-0.05,0.1,0,
K,7,-0.05,0,0,
K,8,-0.05*0.5,0,0,
K,8,-0.05*0.3,0,0,
KDELE, 8
K,8,-0.05*0.5,0,0,
K,9,-0.05*0.3,0,0,
K,10,-0.05*0.15,0,0,
K,10,-0.05*0.15,0,0,
/VIEW,1,1,1,1
/ANG,1
/REP,FAST
FLST,2,4,3
FITEM,2,2
FITEM,2,1
FITEM,2,10
FITEM,2,3
A,P51X
FLST,2,4,3
FITEM,2,3
FITEM,2,4
FITEM,2,9
FITEM,2,10
A,P51X
FLST,2,4,3
FITEM,2,5
FITEM,2,4
FITEM,2,9
FITEM,2,8
A,P51X
FLST,2,4,3
FITEM,2,5
FITEM,2,6
FITEM,2,7
FITEM,2,8
A,P51X
ESIZE,0.0012,0,
MSHAPE,0,2D
MSHKEY,0
!*
CM,_Y,AREA
ASEL, , , , 1
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
ESIZE,0.0025,0,
CM,_Y,AREA
ASEL, , , , 2
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
ESIZE,0.005,0,
CM,_Y,AREA
ASEL, , , , 3
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
ESIZE,0.0065,0,
CM,_Y,AREA
ASEL, , , , 4
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
TYPE, 2
EXTOPT,ESIZE,4,0,
EXTOPT,ACLEAR,0
!*
EXTOPT,ATTR,0,0,0
MAT,1
REAL,_Z4
ESYS,0
!*
FLST,2,4,5,ORDE,2
FITEM,2,1
FITEM,2,-4
VEXT,P51X, , ,0,0,0.006,,,,
NUMMRG,ALL, , , ,LOW
FINISH
/SOL
!*
ANTYPE,4
!*
TRNOPT,FULL
LUMPM,0
!*
TUNIF,20,
FLST,2,18,5,ORDE,6
FITEM,2,1
FITEM,2,-4
FITEM,2,7
FITEM,2,-9
FITEM,2,11
FITEM,2,-21
/GO
!*
SFA,P51X,1,CONV,30,20
*DEL,_FNCNAME
*DEL,_FNCMTID
*DEL,_FNC_C1
*DEL,_FNC_C2
*DEL,_FNC_C3
*DEL,_FNCCSYS
*SET,_FNCNAME,'GAOSI'
*DIM,_FNC_C1,,1
*DIM,_FNC_C2,,1
*DIM,_FNC_C3,,1
*SET,_FNC_C1(1),Qm
*SET,_FNC_C2(1),V
*SET,_FNC_C3(1),R
*SET,_FNCCSYS,0
! /INPUT,gaosi.func,,,1
*DIM,%_FNCNAME%,TABLE,6,19,1,,,,%_FNCCSYS%
查看完整版本请点击这里:
【求助】模拟焊接温度分布,求解过程出现这种错误提示
【求助】模拟焊接温度分布,求解过程出现这种错误提示
最新回复
zouyou (2015-10-24 10:50:36)
yuanyuan (2015-10-24 10:51:05)
女儿情 (2015-10-24 10:51:38)
bfv,14,hgen,642857 !定义上轴承发热功率
bfv,20,hgen,353294 !定义下轴承发热功率
CMSEL,S,CM_AXLE !定义主轴表面换热系数
sfa,all,,conv,45,20
cmsel,s,cm_base !定义基座换热系数
sfa,all,,conv,3,20
cmsel,s,cm_column !定义立柱换热系数
sfa,all,,conv,4,20
cmsel,s,cm_lowercover !定义轴承端盖换热系数
sfa,all,,conv,13,20
cmsel,s,cm_uppercover
sfa,all,,conv,10,20
cmsel,s,cm_lower_bear !定义轴承换热系数
sfa,all,,conv,40,20
cmsel,s,cm_upper_bear
sfa,all,,conv,35,20
cmsel,s,cm_motor !定义电机换热系数
sfa,all,,conv,150,20
cmsel,s,cm_spindle_box !定义主轴箱换热系数
sfa,all,,conv,20,20
cmsel,s,cm_worktable !定义工作台换热系数
sfa,all,,conv,4.5,20
allsel
antype,trans
timint,on
time,14400
deltim,300
kbc,1
tunif,20
outres,all,all
solve
finish
/PREP7
etchg,tts !转为结构分析
/SOL
antype,static
da,30,all,0
*do,jj,300,14400,300
Time,jj
ldread,temp,,,jj,,'file','rth'
solve
*enddo
跳跳哈里 (2015-10-24 10:54:02)
1 保证各种单位的统一。因为你的位移是微米级别,与机床尺寸不是一个数量级;
2 在保证1的前提下,问题可能出现在最后一段:
*do,jj,300,14400,300 !可能出现问题的地方
Time,jj
ldread,temp,,,jj,,'file','rth'
solve
*enddo
我的建议:
将前面的 “time,14400 $ deltim,300”等有关时间、时间步的参数统统设为默认。
这样TIME变为一个简单的计数器,默认从1开始,后面依次+1。不容易出错。
那么最后一段需要相应的改为:
*do,jj,1,20,1 !假设laststep为20
Time,jj
ldread,temp,,,jj,,'file','rth'
solve
*enddo
大花猫bb (2015-10-24 10:54:51)
qinqinai (2015-10-24 10:55:30)
楼主应该首先检查一下温度的计算结果,看不同时间的结构温度差别有多大,如果温度差别本来就不大,那么位移结果相差也不会很大。
另外,楼主的位移计算部分,除了温度载荷外,没有设置任何约束条件,也可能导致位移结果不正确。需要添加合适的约束条件,然后重新计算。
大花猫bb (2015-10-24 10:56:07)
huali (2015-10-24 10:56:44)
886爱 (2015-10-24 10:57:18)
zouyou (2015-10-24 10:58:16)
efp (2015-10-24 10:58:49)
1 材料属性中,定义参考温度是 30 度,是否应该改为 20 度;
2 好像需要对结构分析也设置一个参考温度 (默认是零度),也应该是 20 度。
没有设置参考温度,那么默认是 零 度,后面分析时,温度从 0 -> 20,和从 0 ->27 ,其温度变化差不多吧?
【求助】模拟焊接温度分布,求解过程出现这种错误提示