我最近做热力分析,结果应力云图显示不正常,模型变形了,我做的是对刀头进行热力分析,刀头以外部分不进行分析,可以忽略。变形的云图如图所示
原本的模型图为
为什么尖头处会变成这样啊,鼓起来了,晕~~~~~~~
命令流如下:
FINISH
/CLEAR
/FILENAME,PT47
/prep7
/TRIAD,OFF
/PNUM,KP,ON
KPLOT
K,1
K,2,1.45,2.94,0
K,3,10,9.5,0
K,4,10.95,9.5
k,5,10.95,11.5
k,6,30.00405,21
k,7,55.162,25.21
k,8,66,32
k,9,78.5,32
k,10,80,30.5
k,11,80,20.6
k,12,81.6,19
k,13,114.72,19
k,14,116.19,18.15
k,15,118,15
k,16,144,15
k,17,144,13.5
k,18,144.5,13
k,19,147,13
k,20,147.5,13.5
k,21,147.5,15
k,22,152,15
k,23,153,14
k,24,153
k,100,1
LARC,1,2,100,3.7
KDELE,100
*DO,I,2,6,1
LSTR,I,I+1
*ENDDO
k,100,65,35
LARC,7,8,100,16.5
KDELE,100
*DO,I,8,10,1
LSTR,I,I+1
*ENDDO
K,100,81,20
LARC,11,12,100,1.6
KDELE,100
*DO,I,12,16,1
LSTR,I,I+1
*ENDDO
K,100,144,14
LARC,17,18,100,0.5
KDELE,100
LSTR,18,19
K,100,147.5,14
LARC,19,20,100,0.5
KDELE,100
*DO,I,20,23,1
LSTR,I,I+1
*ENDDO
LSTR,24,1
LSEL,ALL
AL,ALL
ALLSEL
EXTOPT,ACLEAR,1
VROTAT,1,,,,,,1,24,360,4
ET,1,SOLID98
MP,EX,1,6.1E5
MP,PRXY,1,0.21
MP,ALPX,1,4.5E-6
MP,KXX,1,75
MP,DENS,1,1.45e-8
MP,C,1,480
MP,EX,2,2.06E5
MP,PRXY,2,0.3
MP,ALPX,2,1.06E-6
MP,KXX,2,66.6
MP,DENS,2,7.9e-6
MP,C,2,460
WPROTA,,,-90
KWPAVE,2
VSBW,ALL
KWPAVE,4
VSBW,ALL
VGLUE,ALL
SMRT,4
TYPE,1
MAT,1
MSHAPE,1,3D
MSHKEY,0
VSEL,S,LOC,X,0,10.95
VMESH,ALL
ALLSEL
TYPE,1
MAT,2
SMRT,6
VSEL,S,LOC,X,10.95,153
VMESH,ALL
ALLSEL
/solu
LSCLEAR,ALL
ASEL,S,LOC,X,82,154
DA,ALL,UX
DA,ALL,UY
DA,ALL,UZ
ALLSEL
TREF,30
ASEL,S,AREA,,2,74,24
DA,ALL,TEMP,800
ALLSEL
ASEL,S,AREA,,3,75,24
ASEL,A,AREA,,4,76,24
SFA,ALL, ,CONV,60,30
ALLSEL
WPSTYLE,,,,,,,,0 |