24小时热门版块排行榜

返回列表

李朋飞619

铜虫 (小有名气)

应助: 0 (幼儿园)
金币: 51.7
红花: 1
帖子: 184
在线: 37.9小时
虫号: 2068765
注册: 2012-10-17
专业: 机构学与机器人

[求助] ANSYS热分析温度差别较大

小弟在用ANSYS分析温度场时不同载荷步下温度差别很大，而且载荷步子步数不一样，这是什么原因。。。
这是我的命令流：
/SOLU
/uis,msgpop,3
/NERR,5,10000000
!DA,9,UX,0
!DA,9,UY,0
!DA,9,UZ,0
!DA,10,UX,0
!DA,10,UY,0
!DA,10,UZ,0
!DA,11,UX,0
!DA,11,UY,0
!DA,11,UZ,0
!DA,12,UX,0
!DA,12,UY,0
!DA,12,UZ,0

ESEL,all
*GET,NEMAX,ELEM,,NUM,MAX
*GET,NEMIN,ELEM,,NUM,MIN

T=0
DT0=1e-6
V=8e-3
L=100e-3
Q=90/8

h1=0.7e-3
LNUM=(5-1)/2
LNUM1=32
r2=r0+h1
TINC=2*PI*r2/V
w=2*PI/TINC
C=V*360/2/PI/r2

DT1=2*PI*r2/V/LNUM1
C1=360/LNUM1
dt2=0.4*DT1
TINC1=2*PI/(LNUM1*w)

ALLS
ANTYPE,TRANS
TRNOPT,FULL
nropt,full,,on
!NLGEOM,ON
PRED,ON

TIME,DT0
TIMINT,OFF
KBC,1
ESEL,ALL
NSLE,S
IC,ALL,TEMP,25
ALLS
!OUTRES,NSOL,ALL
SOLVE

TIMINT,ON
TINTP,0.005,,,1,0.5,0.2
TREF,25
lnsrch,on
cnvtol,heat,,0.03
ncnv,2

outpr,nsol,all
outres,nsol,all

CSYS,1
ESEL,S,TYPE,,2
!nsel,r,loc,x,r11+0.0002,r2
!nsel,r,loc,y,C1*D,C1*D+C1
!nsel,r,loc,z,0,l1
!ESLN,r,1
ekill,all
esel,s,live
eplot
allsel,all
!outres,all,all

ESEL,all
*DO,M,0,LNUM,1
!mj=MOD(M,2)
!*if,mj,eq,1
*afun,deg
!M=0
M1=0.001+0.001*M*2

!*DO,D,0,LNUM1-1,1
*DO,D,0,31,1

   CSYS,1
   ESEL,S,TYPE,,2
   nsel,r,loc,x,r11,r2
   nsel,r,loc,y,C1*D,C1*D+C1
   nsel,r,loc,z,M1-0.001,M1+0.001
   esln,s,0
   ealive,all
   esel,s,live
   eplot
   allsel
   !outres,all,all

   CSYS,0
   x=r2*cos(C1*D)
   y=r2*sin(C1*D)
   z=M1

*DO,f,NEMIN,NEMAX,1
*IF,ESEL(f),EQ,1,THEN
   XSY=CENTRX(f)
   YSY=CENTRY(f)
   ZSY=CENTRZ(f)
   RR=ABS(SQRT((XSY-x)*(XSY-x)+(YSY-y)*(YSY-y)+(ZSY-z)*(ZSY-z)))
*IF,RR,LE,RADIUS1,THEN
   QR=QMAX*EXP(-k*RR*RR)
   SFE,f,NMFACE(f),HFLUX,,QR
*ENDIF
   *ENDIF
*ENDDO
   TIMINT,ON
   AUTOTS,ON
   KBC,1
   DELTIM,0.05,0.01,0.2

TM1=dt2+(M-0)*TINC+(D-0)*TINC1
TIME,TM1
allsel,all
!outres,all,all
SOLVE

ESEL,S,live
nsel,r,loc,z,M1-0.001,M1+0.001
esln,s,0
*DO,f,1,6
SFEDELE,ALL,f,HFLUX
*ENDDO
TM=DT1+(M-0)*TINC+(D-0)*TINC1
TIME,TM
esel,s,live
eplot
alls
ASEL,S,TYPE,,4
SFA,ALL,1,CONV,100,25
ALLSEL,ALL
!outres,all,all
SOLVE

*ENDDO
*ENDDO
finish

载荷步45.png

在和不46.png

回复此楼

» 猜你喜欢

1楼2016-03-05 10:49:21

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

相关版块跳转我要订阅楼主李朋飞619 的主题更新

返回列表