哪位亲,可以帮我看看我下面的这个命令流是不是哪儿出错了,为什们改变预紧力的大小,模态分析时纵振动的频率不发生变化呢
FINISH
/CLEAR
/FILNAME,EXAMPLE
/PREP7
ET,1,SOLID186
ET,2,TARGE170
ET,3,CONTA174
MP,EX,1,2E11
MP,PRXY,1,0.3
MP,DENS,1,7800
/VIEW,1,1,1,1
CYLIND,0,0.025,0.03,0,180,90
CYLIND,0.025,0.004,0.06,0.03,180,90
CYLIND,0.003,0,0.09,0.03,180,90
CYLIND,0.025,0.004,0.09,0.06,180,90
CYLIND,0.025,0,0.12,0.09,180,90
VADD,1,2
VADD,4,5
vGLUE,1,3
vGLUE,6,2
VATT,1,,1
ESIZE,0.0015
MSHKEY, 1
MSHAPE,0
VMESH,2
SMRT,8
ESIZE,0.005,0,
MSHAPE,1,3D
MSHKEY,0
!*
FLST,5,2,6,ORDE,2
FITEM,5,1
FITEM,5,4
CM,_Y,VOLU
VSEL, , , ,P51X
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
!*
VMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
R,1,,,.1
ASEL,S,,,7
NSLA,S,1
REAL,1
TYPE,2
ESURF
ALLS
ASEL,S,,,17
NSLA,S,1
REAL,1
TYPE,3
ESURF
ALLS
PSMESH,,EXAMPLE,,VOLU,2,0,Z,0.06,,,,ELEMS
/SOLU
ASEL,S,LOC,Y,0
DA,ALL,UY
ALLS
ASEL,S,LOC,X,0
DA,ALL,UX
ALLS
D,7835, , , , , ,UZ, , , , ,
ALLS
SLOAD,1,PL01,,FORCE,5000,1,2 !预紧力Q0=5000N
/SOL
ANTYPE,0
PSTRES,1
!*
/STATUS,SOLU
SOLVE
FINISH
/SOL
ANTYPE,2
MODOPT,LANB,40
EQSLV,SPAR
MXPAND,40, , ,0
LUMPM,0
PSTRES,1
!*
MODOPT,LANB,40,0,40000, ,OFF
/STATUS,SOLU
SOLVE
谢谢了 |