本帖最后由 galaxy612 于 2012-6-1 09:10 编辑
在一个圆柱体一个面上施加对称的载荷,但是显示的施加载荷结果却不对称,请问是什么原因,命令流如下所示:
Fini
/cle
/UNITS,SI
/filename, lip soldering
*set,r1,0.020
*set,r2,0.010
*set,h1,0.00025
*set,h2,0.0001
*set,h3,0.001
*set,w1,0.0015
*set,w2,0.001
/prep7
et,1,solid95
mp,ex,1,1.3e10
mp,nuxy,1,0.3
mp,ex,2,1.38e11
mp,nuxy,2,0.317
cyl4,0,0, r2+w1,,r1,90,h1
cyl4,0,0, r2,,r2+w1,90,h1-h2
wpoff,,, h1-h2
cyl4,0,0, ,, r2+0.0004,90,h3
vsbw,all
numcmp,all
vsel,s,volu,,1
vatt,1,,1
vsel,s,volu,,2,4,1
vatt,2,,1
alls
ADRAG,23,,,,,,19
Vsba,1,23
numcmp,all
ADRAG,12,,,,,,23
Vsba,1,28 csys Nrotat,all
vsymm,y,all
vsymm,x,all /psymb,adir,1 !检查面法线结果如下photo1
allsel
vglue,all
esize,0.0008
vmesh,all
/solu antype,0 csys,1 asel,s,loc,x,r1-0.001,r1 nsla,s,1 nsel,r,loc,z da,all,all
asel,s,loc,x,-r1+0.001, r1-0.001 asel,r,loc,z,h1-h2 csys sfa,all,,pres,1e5 asel,s,loc,x,-r1+0.001, r1-0.001 asel,r,loc,z,h3 csys sfa,all,,pres,1e5 asel,s,loc,x,-r1+0.001, r1-0.001 asel,r,loc,z,h1 csys sfa,all,,pres,1e5 allsel !施加应力结构如photo2所示
solve
finish
/POST1 plnsol,s,eqv
请问大家对称体施加载荷为什么会出现这种情况,应该怎么修改才能得到正确的结果,谢谢
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