lianolz 发表于 2011-10-25 17:26:12

瞬态分析TIMINT,瞬态效应开关对分析结果的影响

本帖最后由 lianolz 于 2011-10-26 19:20 编辑

如图片所示,初始温度为30℃,在圆孔上加对流换热边界条件,对物体进行加热,想看120s后的温度分布:
(1)直接做120s瞬态分析。
(2)如果先做0.1s的稳态分析,在做120s的瞬态分析
0.1s的稳态分析结果:
再接着分析120s,将TIMINT打开,分析结果和图2一致,如图3:

非常迷惑,为什么是这样的结果:(a)加不加0.1s的稳态分析作用是什么?(b)加了0.1s的稳态分析后,后面的120s瞬态分析为什么没有任何作用?求指点啊!!!!



问题已经解决,是我自己粗心,单位没统一,不用做0.1秒稳态分析结果是正确的,但我还是很迷惑到底什么时候要在瞬态分析前加一个0.1秒瞬态分析,书上的也有的加了有的没加!?

schuhi 发表于 2011-10-25 18:45:33

把命令流贴出来看看

lianolz 发表于 2011-10-26 08:50:28

schuhi 发表于 2011-10-25 18:45 static/image/common/back.gif
把命令流贴出来看看

第二种(先做0.1s稳态分析)的命令流:
/BATCH
/COM,ANSYS RELEASE 11.0    UP20070125       16:36:10    10/25/2011
/input,menust,tmp,'',,,,,,,,,,,,,,,,1   
/GRA,POWER
/GST,ON
/PLO,INFO,3
/GRO,CURL,ON
/CPLANE,1   
/REPLOT,RESIZE
WPSTYLE,,,,,,,,0
RESUME
/COM,ANSYS RELEASE 11.0    UP20070125       16:36:12    10/25/2011
/SOLU   
!*
ANTYPE,4
!*
TRNOPT,FULL
LUMPM,0
!*
FLST,2,8,4,ORDE,6   
FITEM,2,1   
FITEM,2,3   
FITEM,2,15
FITEM,2,-18
FITEM,2,21
FITEM,2,-22
/GO
!*
SFL,P51X,CONV,7990, ,180,   
FLST,2,2,4,ORDE,2   
FITEM,2,4   
FITEM,2,6   
/GO
!*
SFL,P51X,CONV,20, ,30,
!*
TIME,0.1
AUTOTS,-1   
DELTIM,0.1, , ,1
KBC,0   
!*
TSRES,ERASE
TIMINT,0
TINTP,0.005, , , , , ,
!*
!*
RESCONTROL,DEFINE,NONE,LAST,0   
!*
/STATUS,SOLU
SOLVE   
FINISH
/POST1
/SHOW,WIN32C
SET,FIRST   
/PLOPTS,INFO,3
/CONTOUR,ALL,18
/PNUM,MAT,1
/NUMBER,1   
/REPLOT,RESIZE
PLNSOL,TEMP
! /UIS,ABORT,1
/SHOW,WIN32
/REPLOT,RESIZE
FINISH
/PREP7
FINISH
/SOL
ANTYPE,,REST
!*
FLST,2,8,4,ORDE,6   
FITEM,2,1   
FITEM,2,3   
FITEM,2,15
FITEM,2,-18
FITEM,2,21
FITEM,2,-22
/GO
!*
SFL,P51X,CONV,7990, ,180,   
! PLNSOL,TEMP   
EPLOT   
/ZOOM,1,RECT,-0.877457,0.61 ,1.57315590081 ,-0.477499978315
/AUTO,1
/REP,FAST   
FLST,2,2,4,ORDE,2   
FITEM,2,4   
FITEM,2,6   
/GO
!*
SFL,P51X,CONV,20, ,30,
!*
TIME,120
AUTOTS,-1   
DELTIM,0.1,0.1,0.3,1
KBC,1   
!*
TSRES,ERASE
!*
TIME,120
AUTOTS,-1   
DELTIM,0.1,0.1,0.3,1
KBC,1   
!*
TSRES,ERASE
TIMINT,1
TINTP,0.005, , , , , ,
!*
/STATUS,SOLU
SOLVE   
FINISH
/POST1
!*
能告诉我问题出在哪吗?

lianolz 发表于 2011-10-26 09:00:29

schuhi 发表于 2011-10-25 18:45 static/image/common/back.gif
把命令流贴出来看看

直接进行120s瞬态分析的命令流:
/BATCH
/COM,ANSYS RELEASE 11.0    UP20070125       08:55:42    10/26/2011
/input,menust,tmp,'',,,,,,,,,,,,,,,,1   
/GRA,POWER
/GST,ON
/PLO,INFO,3
/GRO,CURL,ON
/CPLANE,1   
/REPLOT,RESIZE
WPSTYLE,,,,,,,,0
RESUME
/COM,ANSYS RELEASE 11.0    UP20070125       08:55:49    10/26/2011
/SOLU   
!*
ANTYPE,4
!*
TRNOPT,FULL
LUMPM,0
!*
FLST,2,8,4,ORDE,6   
FITEM,2,1   
FITEM,2,3   
FITEM,2,15
FITEM,2,-18
FITEM,2,21
FITEM,2,-22
/GO
!*
SFL,P51X,CONV,7990, ,180,   
FLST,2,2,4,ORDE,2   
FITEM,2,4   
FITEM,2,6   
/GO
!*
SFL,P51X,CONV,20, ,30,
FLST,2,2159,1,ORDE,2
FITEM,2,1   
FITEM,2,-2159   
IC,P51X,ALL,30,
!*
TIME,120
AUTOTS,-1   
DELTIM,0.1,0.1,0.3,1
KBC,1   
!*
TSRES,ERASE
TIMINT,1
TINTP,0.005, , , , , ,
!*
/STATUS,SOLU
!*
TIME,120
AUTOTS,1
DELTIM,0.1,0.1,0.3,1
KBC,1   
!*
TSRES,ERASE
/STATUS,SOLU
SOLVE   
FINISH
/POST1
!*
/EFACET,1   
PLNSOL, TEMP,, 0

sanfengw 发表于 2011-10-28 09:57:09

这个命令流没有整理就发上来了啊!大体看了一下,在做第一步稳态分析后,不能进入/post1,也就是说不能查看结果。应该再再/solu下进行你的瞬态分析,试试看?

lianolz 发表于 2011-10-28 14:56:36

sanfengw 发表于 2011-10-28 09:57 static/image/common/back.gif
这个命令流没有整理就发上来了啊!大体看了一下,在做第一步稳态分析后,不能进入/post1,也就是说不能查看 ...

嗯,我之前在第一步稳态分析后没进入/post1,继续分析结果也是这样.不过还是谢谢啊~
页: [1]
查看完整版本: 瞬态分析TIMINT,瞬态效应开关对分析结果的影响