(原创)本例为一个2D轴对称过盈装配接触预应力模态求解:
/PREP7
ET,1,183,,,1 ! AXISYMMETRIC
ET,2,169
ET,3,172
MP,EX,1,10E3
MP,NUXY,1,0
MP,DENS,1,2
MP,MU,2,0
RECTNG,1.5,2,0,1
RECTNG,1.9,2.4,0,1
ESIZE,0.05
AMESH,ALL
TYPE,2
MAT,2
REAL,2
LSEL,,LOC,X,1.9
NSLL,,1
ESURF
TYPE,3
LSEL,,LOC,X,2
NSLL,,1
ESURF
ALLSEL,ALL
RMODIF,2,7,
RMODIF,2,8,
KEYOPT,3,9,2
FINISH
/SOL
D,NODE(1.5,0,0),UY,0
D,NODE(2.4,0,0),UY,0
NLGEOM,ON
NSUBST,10,50,5
PSTRES,1
ematwrite,yes
solve
FINISH
/SOLUTION
ANTYPE,2
UPCOORD,1,ON
MODOPT,LANB,6
EQSLV,SPAR
MXPAND,6, , ,0
PSTRES,1
PSOLVE,EIGLANB
expass,on
PSOLVE,EIGEXP
FINISH
[ 本帖最后由 mututu_gui 于 2008-7-10 13:49 编辑 ] |