A-A+
消除有限元分析中剪切锁定(shear lock)的方法
附:本分析中用到的ANSYS命令流
finish
/prep7
len=1.0
b=0.1
h=0.1
ndivX=10 !水平向份数
ndivY=8 !竖直向份数
force=-100e3
mp,dens,1,density !定义材料
mp,ex,1,1e9
mp,nuxy,1,0.2
ET, 1, plane182,0,,0 !0:全积分;1:减缩积分;2:强化应变
rect,0,len,0,h
lsel,s,loc,x,0.1,len-0.1
lesize,all,,,ndivX
lsel,inve
lesize,all,,,ndivY
allsel,all
mshape,0,2d
mshkey,1
amesh,all
/pnum,mat,1
/number,1
save
finish
/solu
antype,static
allsel,all
nsel,s,loc,x,0
nsel,r,loc,y,0
d,all,all,0
allsel,all
nsel,s,loc,x,len
nsel,r,loc,y,0
d,all,uy,0
allsel,all
nsel,s,loc,x,len/2.
nsel,r,loc,y,h
f,all,fy,force
save
solve
finish
/post1
set,last
nsel,s,loc,x,len/2.
nsel,r,loc,y,0
prnsol,u,y
参考文献
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