刚体圆柱带动外部圆环自转问题,为何外部圆环无法转动?
建立的模型如图,内部为刚体,施加自转角速度,带动外部物体绕中心轴转动,但是无法计算,一直出现变形过大,查看部分计算结果是外部圆环被约束住了,无法转动。请各位大神老师指导一下是什么原因?
/REPLOT,RESIZE
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/NOPR
KEYW,PR_SET,1
KEYW,PR_STRUC,1
KEYW,PR_THERM,0
KEYW,PR_FLUID,0
KEYW,PR_MULTI,0
KEYW,LSDYNA,1
KEYW,PR_DYNA,1
/GO
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/COM,
/COM,Preferences for GUI filtering have been set to display:
/COM, Structural with LS-DYNA Explicit
!*
/PREP7
!*
ET,1,SOLID164
ET,2,SOLID164
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MP,DENS,1,7.8
MP,EX,1,2.1
MP,NUXY,1,0.3
EDMP,RIGI,2,0,0
MP,DENS,2,7.8
MP,EX,2,2.1
MP,NUXY,2,0.3
CYLIND,10,8,0,15,0,360,
CYLIND,8,0,0,15,0,360,
KWPAVE, 9
wpro,,90.000000,
FLST,2,2,6,ORDE,2
FITEM,2,1
FITEM,2,-2
VSBW,P51X
CSYS,0
WPAVE,0,0,0
CSYS,0
!*
wpro,,,90.000000
FLST,2,4,6,ORDE,2
FITEM,2,3
FITEM,2,-6
VSBW,P51X
FLST,2,8,6,ORDE,4
FITEM,2,1
FITEM,2,-2
FITEM,2,7
FITEM,2,-12
VGLUE,P51X
FLST,5,8,4,ORDE,4
FITEM,5,1
FITEM,5,-4
FITEM,5,9
FITEM,5,-12
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1, , ,10, , , , ,1
!*
FLST,5,16,4,ORDE,6
FITEM,5,21
FITEM,5,-28
FITEM,5,37
FITEM,5,-40
FITEM,5,43
FITEM,5,-46
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1, , ,8, , , , ,1
!*
FLST,5,8,4,ORDE,4
FITEM,5,31
FITEM,5,-32
FITEM,5,56
FITEM,5,-61
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1, , ,2, , , , ,1
!*
FLST,5,9,4,ORDE,9
FITEM,5,17
FITEM,5,-18
FITEM,5,29
FITEM,5,-30
FITEM,5,41
FITEM,5,-42
FITEM,5,47
FITEM,5,49
FITEM,5,53
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1, , ,10, , , , ,1
!*
FLST,2,8,6,ORDE,2
FITEM,2,1
FITEM,2,-8
VGLUE,P51X
TYPE, 1
MAT, 1
REAL,
ESYS, 0
SECNUM,
!*
MSHAPE,0,3D
MSHKEY,1
!*
FLST,5,4,6,ORDE,2
FITEM,5,3
FITEM,5,-6
CM,_Y,VOLU
VSEL, , , ,P51X
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
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VMESH,_Y1
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CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
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TYPE, 2
MAT, 2
REAL,
ESYS, 0
SECNUM,
!*
FLST,5,4,6,ORDE,4
FITEM,5,1
FITEM,5,-2
FITEM,5,7
FITEM,5,-8
CM,_Y,VOLU
VSEL, , , ,P51X
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
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VMESH,_Y1
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CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
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EDPART,CREATE
PARTSEL,'PLOT'
*DIM,TIME,ARRAY,2,1,1, , ,
*SET,TIME(2,1,1) , 10
*DIM,DISP,ARRAY,2,1,1, , ,
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*SET,DISP(2,1,1) , 10
*SET,DISP(1,1,1) , 10
EDLOAD,ADD,RBOZ,0, 2,TIME,DISP, 0, , , , ,
FINISH
/SOL
TIME,10,
EDRST,30,
EDHTIME,50,
EDDUMP,1,
EDOPT,ADD,blank,LSDYNA
EDOUT,GLSTAT
EDENERGY,1,1,1,1