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[文件下载区] 请教接触分析问题:为什么没有接触反应?

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发表于 2006-7-7 16:41:31 | 显示全部楼层 |阅读模式 来自 LAN
如图,按接触向导建立了接触对。圆为接触面,矩形为目标面,为什么矩形上没有应力呢?接触没发生作用?
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[ 本帖最后由 逍遥散人 于 2006-7-12 14:55 编辑 ]

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 楼主| 发表于 2006-7-9 21:46:49 | 显示全部楼层 来自 北京海淀
Simdroid开发平台
高手指点一下
发表于 2006-7-12 13:27:06 | 显示全部楼层 来自 广东广州
没有INP文件,没有命令流,你描述的问题大家不清楚,如何帮你?
 楼主| 发表于 2006-7-12 14:34:15 | 显示全部楼层 来自 LAN
我的问题是:两个矩形面积之间夹一个圆。用plane42单元划分的单元。边界条件是:上面矩形两边加固定约束,上边中间施加100N向下载荷,下面矩形的底边加固定约束。按接触向导建立的接触对。法向方向没有错误。
我是用GUI做的,下面是LOg文件,请高手指点!
/BATCH  
/COM,ANSYS RELEASE  9.0    UP20041104       14:16:42    07/12/2006
RESUME,'pianxinhuan','db','D:/'
/COM,ANSYS RELEASE  9.0    UP20041104       14:16:43    07/12/2006
EPLOT   
/PREP7  
!*  
FLST,5,2,4,ORDE,2   
FITEM,5,2   
FITEM,5,8   
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1, , ,12, , , , ,1
!*  
FLST,5,2,4,ORDE,2   
FITEM,5,1   
FITEM,5,5   
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1, , ,6, , , , ,1  
!*  
MSHAPE,0,2D
MSHKEY,1
!*  
/UI,MESH,OFF
MSHKEY,0
FLST,2,4,4  
FITEM,2,1   
FITEM,2,2   
FITEM,2,3   
FITEM,2,4   
AL,P51X
FLST,2,4,4  
FITEM,2,5   
FITEM,2,6   
FITEM,2,7   
FITEM,2,8   
AL,P51X
FLST,2,4,4  
FITEM,2,10  
FITEM,2,9   
FITEM,2,12  
FITEM,2,11  
AL,P51X
MSHKEY,0
FLST,5,2,5,ORDE,2   
FITEM,5,1   
FITEM,5,-2  
CM,_Y,AREA  
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
!*  
AMESH,_Y1   
!*  
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
!*  
MSHKEY,0
aclear,all  
APLOT   
FLST,5,5,4,ORDE,5   
FITEM,5,2   
FITEM,5,4   
FITEM,5,6   
FITEM,5,8   
FITEM,5,11  
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1, , ,12, , , , ,1
!*  
MSHKEY,0
FLST,5,2,5,ORDE,2   
FITEM,5,1   
FITEM,5,-2  
CM,_Y,AREA  
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
!*  
AMESH,_Y1   
!*  
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
!*  
MSHKEY,0
aclear,all  
APLOT   
FLST,5,4,4,ORDE,4   
FITEM,5,1   
FITEM,5,3   
FITEM,5,5   
FITEM,5,7   
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1, , ,6, , , , ,1  
!*  
MSHKEY,0
FLST,5,2,5,ORDE,2   
FITEM,5,1   
FITEM,5,-2  
CM,_Y,AREA  
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
!*  
AMESH,_Y1   
!*  
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
!*  
MSHKEY,0
TYPE,   2   
MAT,       1
REAL,       1   
ESYS,       0   
SECNUM,
!*  
MSHKEY,0
CM,_Y,AREA  
ASEL, , , ,       3
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
!*  
AMESH,_Y1   
!*  
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
!*  
MSHKEY,0
!*  
!*  
/COM, CONTACT PAIR CREATION - START
CM,_NODECM,NODE
CM,_ELEMCM,ELEM
CM,_KPCM,KP
CM,_LINECM,LINE
CM,_AREACM,AREA
CM,_VOLUCM,VOLU
/GSAV,cwz,gsav,,temp
MP,MU,1,0.1
MAT,1   
R,3
REAL,3  
ET,4,169
ET,5,172
KEYOPT,5,9,0
KEYOPT,5,10,1   
R,3,
RMORE,  
RMORE,,0
RMORE,0
! Generate the target surface   
LSEL,S,,,9  
LSEL,A,,,12
CM,_TARGET,LINE
TYPE,4  
NSLL,S,1
ESLN,S,0
ESURF   
CMSEL,S,_ELEMCM
! Generate the contact surface  
LSEL,S,,,8  
CM,_CONTACT,LINE
TYPE,5  
NSLL,S,1
ESLN,S,0
ESURF   
ALLSEL  
ESEL,ALL
ESEL,S,TYPE,,4  
ESEL,A,TYPE,,5  
ESEL,R,REAL,,3  
/PSYMB,ESYS,1   
/PNUM,TYPE,1
/NUM,1  
EPLOT   
ESEL,ALL
ESEL,S,TYPE,,4  
ESEL,A,TYPE,,5  
ESEL,R,REAL,,3  
CMSEL,A,_NODECM
CMDEL,_NODECM   
CMSEL,A,_ELEMCM
CMDEL,_ELEMCM   
CMSEL,S,_KPCM   
CMDEL,_KPCM
CMSEL,S,_LINECM
CMDEL,_LINECM   
CMSEL,S,_AREACM
CMDEL,_AREACM   
CMSEL,S,_VOLUCM
CMDEL,_VOLUCM   
/GRES,cwz,gsav  
CMDEL,_TARGET   
CMDEL,_CONTACT  
/COM, CONTACT PAIR CREATION - END   
/MREP,EPLOT
!*  
!*  
/COM, CONTACT PAIR CREATION - START
CM,_NODECM,NODE
CM,_ELEMCM,ELEM
CM,_KPCM,KP
CM,_LINECM,LINE
CM,_AREACM,AREA
CM,_VOLUCM,VOLU
/GSAV,cwz,gsav,,temp
MP,MU,1,0.1
MAT,1   
R,4
REAL,4  
ET,6,169
ET,7,172
KEYOPT,7,9,0
KEYOPT,7,10,1   
R,4,
RMORE,  
RMORE,,0
RMORE,0
! Generate the target surface   
LSEL,S,,,10
LSEL,A,,,11
CM,_TARGET,LINE
TYPE,6  
NSLL,S,1
ESLN,S,0
ESURF   
CMSEL,S,_ELEMCM
! Generate the contact surface  
LSEL,S,,,2  
CM,_CONTACT,LINE
TYPE,7  
NSLL,S,1
ESLN,S,0
ESURF   
ALLSEL  
ESEL,ALL
ESEL,S,TYPE,,6  
ESEL,A,TYPE,,7  
ESEL,R,REAL,,4  
/PSYMB,ESYS,1   
/PNUM,TYPE,1
/NUM,1  
EPLOT   
ESEL,ALL
ESEL,S,TYPE,,6  
ESEL,A,TYPE,,7  
ESEL,R,REAL,,4  
CMSEL,A,_NODECM
CMDEL,_NODECM   
CMSEL,A,_ELEMCM
CMDEL,_ELEMCM   
CMSEL,S,_KPCM   
CMDEL,_KPCM
CMSEL,S,_LINECM
CMDEL,_LINECM   
CMSEL,S,_AREACM
CMDEL,_AREACM   
CMSEL,S,_VOLUCM
CMDEL,_VOLUCM   
/GRES,cwz,gsav  
CMDEL,_TARGET   
CMDEL,_CONTACT  
/COM, CONTACT PAIR CREATION - END   
/MREP,EPLOT
APLOT   
FLST,2,1,4,ORDE,1   
FITEM,2,4   
!*  
/GO
DL,P51X, ,ALL,0
FLST,2,2,4,ORDE,2   
FITEM,2,5   
FITEM,2,7   
!*  
/GO
DL,P51X, ,ALL,0
FLST,2,1,1,ORDE,1   
FITEM,2,105
!*  
/GO
F,P51X,FY,-100  
FINISH  
/SOL
!*  
ANTYPE,0
ANTYPE,0
NLGEOM,1
NSUBST,10,100,10
TIME,100
/STATUS,SOLU
SOLVE   
FINISH  
/POST1  
!*  
/EFACET,1   
PLNSOL, S,EQV, 0,1.0
FINISH  
/PREP7  
CWZDELE,3,1,''  
CWZDELE,4,1,''  
CM,_TARGET,LINE
!*  
CM,_CONTACT,LINE
!*  
/COM, CONTACT PAIR CREATION - START
CM,_NODECM,NODE
CM,_ELEMCM,ELEM
CM,_KPCM,KP
CM,_LINECM,LINE
CM,_AREACM,AREA
CM,_VOLUCM,VOLU
/GSAV,cwz,gsav,,temp
MP,MU,1,0.1
MAT,1   
R,5
REAL,5  
ET,8,169
ET,9,172
KEYOPT,9,9,0
KEYOPT,9,10,1   
R,5,
RMORE,  
RMORE,,0
RMORE,0
! Generate the target surface   
LSEL,S,,,9  
LSEL,A,,,10
LSEL,A,,,11
LSEL,A,,,12
CM,_TARGET,LINE
TYPE,8  
NSLL,S,1
ESLN,S,0
ESURF   
CMSEL,S,_ELEMCM
! Generate the contact surface  
LSEL,S,,,5  
LSEL,A,,,6  
LSEL,A,,,7  
LSEL,A,,,8  
CM,_CONTACT,LINE
TYPE,9  
NSLL,S,1
ESLN,S,0
ESURF   
ALLSEL  
ESEL,ALL
ESEL,S,TYPE,,8  
ESEL,A,TYPE,,9  
ESEL,R,REAL,,5  
/PSYMB,ESYS,1   
/PNUM,TYPE,1
/NUM,1  
EPLOT   
ESEL,ALL
ESEL,S,TYPE,,8  
ESEL,A,TYPE,,9  
ESEL,R,REAL,,5  
CMSEL,A,_NODECM
CMDEL,_NODECM   
CMSEL,A,_ELEMCM
CMDEL,_ELEMCM   
CMSEL,S,_KPCM   
CMDEL,_KPCM
CMSEL,S,_LINECM
CMDEL,_LINECM   
CMSEL,S,_AREACM
CMDEL,_AREACM   
CMSEL,S,_VOLUCM
CMDEL,_VOLUCM   
/GRES,cwz,gsav  
CMDEL,_TARGET   
CMDEL,_CONTACT  
/COM, CONTACT PAIR CREATION - END   
CM,_TARGET,LINE
!*  
CM,_CONTACT,LINE
!*  
/COM, CONTACT PAIR CREATION - START
CM,_NODECM,NODE
CM,_ELEMCM,ELEM
CM,_KPCM,KP
CM,_LINECM,LINE
CM,_AREACM,AREA
CM,_VOLUCM,VOLU
/GSAV,cwz,gsav,,temp
MP,MU,1,0.1
MAT,1   
R,6
REAL,6  
ET,10,169   
ET,11,172   
KEYOPT,11,9,0   
KEYOPT,11,10,1  
R,6,
RMORE,  
RMORE,,0
RMORE,0
! Generate the target surface   
LSEL,S,,,9  
LSEL,A,,,10
LSEL,A,,,11
LSEL,A,,,12
CM,_TARGET,LINE
TYPE,10
NSLL,S,1
ESLN,S,0
ESURF   
CMSEL,S,_ELEMCM
! Generate the contact surface  
LSEL,S,,,1  
LSEL,A,,,2  
LSEL,A,,,3  
LSEL,A,,,4  
CM,_CONTACT,LINE
TYPE,11
NSLL,S,1
ESLN,S,0
ESURF   
ALLSEL  
ESEL,ALL
ESEL,S,TYPE,,10
ESEL,A,TYPE,,11
ESEL,R,REAL,,6  
/PSYMB,ESYS,1   
/PNUM,TYPE,1
/NUM,1  
EPLOT   
ESEL,ALL
ESEL,S,TYPE,,10
ESEL,A,TYPE,,11
ESEL,R,REAL,,6  
CMSEL,A,_NODECM
CMDEL,_NODECM   
CMSEL,A,_ELEMCM
CMDEL,_ELEMCM   
CMSEL,S,_KPCM   
CMDEL,_KPCM
CMSEL,S,_LINECM
CMDEL,_LINECM   
CMSEL,S,_AREACM
CMDEL,_AREACM   
CMSEL,S,_VOLUCM
CMDEL,_VOLUCM   
/GRES,cwz,gsav  
CMDEL,_TARGET   
CMDEL,_CONTACT  
/COM, CONTACT PAIR CREATION - END   
/MREP,EPLOT
FINISH  
/SOL
FINISH  
/POST1  
FINISH  
/SOL
/STATUS,SOLU
SOLVE   
FINISH  
/POST1  
!*  
/EFACET,1   
PLNSOL, S,EQV, 0,1.0
FINISH
发表于 2006-8-12 22:26:30 | 显示全部楼层 来自 北京
貌似没有加约束
发表于 2006-12-18 17:16:01 | 显示全部楼层 来自 上海
需要加什么约束啊?能不能详细说明一下.我也遇到类似问题
发表于 2006-12-18 19:02:58 | 显示全部楼层 来自 陕西西安
至少有一个displacement呀,应该是这样呀
 楼主| 发表于 2006-12-25 11:03:42 | 显示全部楼层 来自 LAN
这个问题困惑了我一段时间,也没人回答,目前问题已解决
发表于 2007-1-2 15:26:44 | 显示全部楼层 来自 湖北武汉
什么方面的问题,是不是接触的方向有问题,解决了也要让大伙分享一下啊!
发表于 2007-1-4 14:05:30 | 显示全部楼层 来自 郑州大学
你用二维的吧 , 我用三维实体时遇到两条线接触,试了面面接触和点面接触都不行,能不能指点一下?
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