[讨论]板的热曲屈分析
本帖最后由 wdhd 于 2016-3-7 14:20 编辑500*500*6的薄板，受温度载荷得曲屈分析
/prep7
!!!!!!!!输入材料参数
ET,1,plane13
ET,2,solid45
mp,ex,1,2.06e11
mp,prxy,1,0.3
TOFFST,273
mp,reft,1,20
MP,ALPX,1,1.86e-5
!!!!!!!建立模型
RECTNG,-0.25,0.25,-0.003,0.003
RECTNG,-0.006,0.006,-0.003,0.003
AOVLAP,1,2
LESIZE,5, , ,1, , , , ,1
LESIZE,6, , ,1, , , , ,1
LESIZE,7, , ,1, , , , ,1
LESIZE,8, , ,1, , , , ,1
LESIZE,2, , ,1, , , , ,1
LESIZE,4, , ,1, , , , ,1
LESIZE,9, , ,5, , , , ,1
LESIZE,10, , ,5, , , , ,1
LESIZE,11, , ,5, , , , ,1
LESIZE,12, , ,5, , , , ,1
MSHAPE,0,2D
MSHKEY,1
AMESH,all
TYPE, 2
EXTOPT,ESIZE,10,0,
EXTOPT,ACLEAR,1
EXTOPT,ATTR,0,0,0
MAT,1
ESYS,0
VEXT,all, , ,0,0,0.5,,,,
!!!!!静力分析
/SOL
antype,static
pstres,1
SSTIF,ON
eqslv,saprse
dk,1, , , ,0,UX,UY,UZ, , , ,
DK,2, , , ,0,Uy,Uz, , , , ,
dk,13, , , ,0,UY, , , , ,
DK,15, , , ,0,UY, , , , ,
BFV,1,TEMP,-1
SOLVE
FINISH
!!!!!!!!特征值屈曲分析
/solu
antype,buckle
bucopt,lanb,4
mxpand,4,,,yes
solve
finish
!!!!!!s施加初始缺陷
/prep7
upgeom,0.01,1,1,plate,rst
finish
!!!!!!非线性屈曲分析求解
/SOL
ANTYPE,0
OUTRES,ALL,ALL
NLGEOM,1
PSTRES,1
SSTIF,ON
BFV,1,TEMP,-3000
NSUBST,1000
ARCLEN,ON
arctrm,u,1,,UY
SOLVE
FINISH
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