[求助]接触单元模拟轴承的问题

jimysu · 发表于 2006-5-16 11:52

马上注册，结交更多好友，享用更多功能，让你轻松玩转社区。

您需要登录才可以下载或查看，没有账号？我要加入

x

我做的一个组件模态分析，用接触单元模拟轴承，需要设定摩擦系数，而且摩擦系数对结构模态个数有影响。请教一下，在设定摩擦系数的情况下，摩擦力的方向是怎样的？摩擦系数取多大合适

AaronSpark · 发表于 2006-5-17 07:44

四分之一圆锥滚动轴承接触分析 下面程序是除了建模之外的程序! 建模部分的我没找到 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!接触内圈 /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,3,0.1 MAT,3 MP,EMIS,3,7.88860905221e-031 R,3 REAL,3 ET,3,170 ET,4,174 R,3,,,1.0,0.1,-4.092902901E-05, RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 KEYOPT,4,4,0 KEYOPT,4,5,1 KEYOPT,4,7,0 KEYOPT,4,8,0 KEYOPT,4,9,1 KEYOPT,4,10,1 KEYOPT,4,11,0 KEYOPT,4,12,0 KEYOPT,4,2,0 KEYOPT,3,5,0 ! Generate the target surface ASEL,S,,,11 CM,_TARGET,AREA TYPE,3 NSLA,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface ASEL,S,,,8 ASEL,A,,,9 ASEL,A,,,10 CM,_CONTACT,AREA TYPE,4 NSLA,S,1 ESLN,S,0 ESURF ALLSEL ESEL,ALL ESEL,S,TYPE,,3 ESEL,A,TYPE,,4 ESEL,R,REAL,,3 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,3 ESEL,A,TYPE,,4 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 /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,3,0.1 MAT,3 MP,EMIS,3,7.88860905221e-031 R,4 REAL,4 ET,5,170 ET,6,174 R,4,,,1.0,0.1,-4.267830855E-06, RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 KEYOPT,6,4,0 KEYOPT,6,5,1 KEYOPT,6,7,0 KEYOPT,6,8,0 KEYOPT,6,9,1 KEYOPT,6,10,1 KEYOPT,6,11,0 KEYOPT,6,12,0 KEYOPT,6,2,0 KEYOPT,5,5,0 ! Generate the target surface ASEL,S,,,21 CM,_TARGET,AREA TYPE,5 NSLA,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface ASEL,S,,,9 CM,_CONTACT,AREA TYPE,6 NSLA,S,1 ESLN,S,0 ESURF ALLSEL ESEL,ALL ESEL,S,TYPE,,5 ESEL,A,TYPE,,6 ESEL,R,REAL,,4 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,5 ESEL,A,TYPE,,6 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 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!第一滚珠 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! /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,3,0.1 MAT,3 MP,EMIS,3,7.88860905221e-031 R,5 REAL,5 ET,7,170 ET,8,174 R,5,,,1.0,0.1,-4.929750816E-05, RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 KEYOPT,8,4,0 KEYOPT,8,5,1 KEYOPT,8,7,0 KEYOPT,8,8,0 KEYOPT,8,9,1 KEYOPT,8,10,1 KEYOPT,8,11,0 KEYOPT,8,12,0 KEYOPT,8,2,0 KEYOPT,7,5,0 ! Generate the target surface ASEL,S,,,11 CM,_TARGET,AREA TYPE,7 NSLA,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface ASEL,S,,,23 ASEL,A,,,24 ASEL,A,,,25 ASEL,A,,,28 ASEL,A,,,29 ASEL,A,,,30 CM,_CONTACT,AREA TYPE,8 NSLA,S,1 ESLN,S,0 ESURF ALLSEL ESEL,ALL ESEL,S,TYPE,,7 ESEL,A,TYPE,,8 ESEL,R,REAL,,5 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,7 ESEL,A,TYPE,,8 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 /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,3,0.1 MAT,3 MP,EMIS,3,7.88860905221e-031 R,6 REAL,6 ET,9,170 ET,10,174 R,6,,,1.0,0.1,-2.778770506E-05, RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 KEYOPT,10,4,0 KEYOPT,10,5,2 KEYOPT,10,7,0 KEYOPT,10,8,0 KEYOPT,10,9,1 KEYOPT,10,10,1 KEYOPT,10,11,0 KEYOPT,10,12,0 KEYOPT,10,2,0 KEYOPT,9,5,0 ! Generate the target surface ASEL,S,,,21 CM,_TARGET,AREA TYPE,9 NSLA,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface ASEL,S,,,24 ASEL,A,,,29 CM,_CONTACT,AREA TYPE,10 NSLA,S,1 ESLN,S,0 ESURF ALLSEL ESEL,ALL ESEL,S,TYPE,,9 ESEL,A,TYPE,,10 ESEL,R,REAL,,6 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,9 ESEL,A,TYPE,,10 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 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!第二滚珠 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! /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,3,0.1 MAT,3 MP,EMIS,3,7.88860905221e-031 R,7 REAL,7 ET,11,170 ET,12,174 R,7,,,1.0,0.1,-4.929750816E-05, RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 KEYOPT,12,4,0 KEYOPT,12,5,1 KEYOPT,12,7,0 KEYOPT,12,8,0 KEYOPT,12,9,1 KEYOPT,12,10,1 KEYOPT,12,11,0 KEYOPT,12,12,0 KEYOPT,12,2,0 KEYOPT,11,5,0 ! Generate the target surface ASEL,S,,,11 CM,_TARGET,AREA TYPE,11 NSLA,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface ASEL,S,,,31 ASEL,A,,,32 ASEL,A,,,33 ASEL,A,,,36 ASEL,A,,,37 ASEL,A,,,38 CM,_CONTACT,AREA TYPE,12 NSLA,S,1 ESLN,S,0 ESURF ALLSEL ESEL,ALL ESEL,S,TYPE,,11 ESEL,A,TYPE,,12 ESEL,R,REAL,,7 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,11 ESEL,A,TYPE,,12 ESEL,R,REAL,,7 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 /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,3,0.1 MAT,3 MP,EMIS,3,7.88860905221e-031 R,8 REAL,8 ET,13,170 ET,14,174 R,8,,,1.0,0.1,-3.220078085E-05,1 RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 KEYOPT,14,4,0 KEYOPT,14,5,2 KEYOPT,14,7,0 KEYOPT,14,8,0 KEYOPT,14,9,1 KEYOPT,14,10,1 KEYOPT,14,11,0 KEYOPT,14,12,0 KEYOPT,14,2,0 KEYOPT,13,5,0 ! Generate the target surface ASEL,S,,,21 CM,_TARGET,AREA TYPE,13 NSLA,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface ASEL,S,,,32 ASEL,A,,,37 CM,_CONTACT,AREA TYPE,14 NSLA,S,1 ESLN,S,0 ESURF ALLSEL ESEL,ALL ESEL,S,TYPE,,13 ESEL,A,TYPE,,14 ESEL,R,REAL,,8 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,13 ESEL,A,TYPE,,14 ESEL,R,REAL,,8 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 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!第三滚珠 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! /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,3,0.1 MAT,3 MP,EMIS,3,7.88860905221e-031 R,9 REAL,9 ET,15,170 ET,16,174 R,9,,,1.0,0.1,-3.455607272E-05, RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 KEYOPT,16,4,0 KEYOPT,16,5,1 KEYOPT,16,7,0 KEYOPT,16,8,0 KEYOPT,16,9,1 KEYOPT,16,10,1 KEYOPT,16,11,0 KEYOPT,16,12,0 KEYOPT,16,2,0 KEYOPT,15,5,0 ! Generate the target surface ASEL,S,,,11 CM,_TARGET,AREA TYPE,15 NSLA,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface ASEL,S,,,39 ASEL,A,,,40 ASEL,A,,,41 ASEL,A,,,44 ASEL,A,,,45 ASEL,A,,,46 CM,_CONTACT,AREA TYPE,16 NSLA,S,1 ESLN,S,0 ESURF ALLSEL ESEL,ALL ESEL,S,TYPE,,15 ESEL,A,TYPE,,16 ESEL,R,REAL,,9 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,15 ESEL,A,TYPE,,16 ESEL,R,REAL,,9 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 /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,3,0.1 MAT,3 MP,EMIS,3,7.88860905221e-031 R,10 REAL,10 ET,17,170 ET,18,174 R,10,,,1.0,0.1,-1.494814317E-05, RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 KEYOPT,18,4,0 KEYOPT,18,5,2 KEYOPT,18,7,0 KEYOPT,18,8,0 KEYOPT,18,9,1 KEYOPT,18,10,1 KEYOPT,18,11,0 KEYOPT,18,12,0 KEYOPT,18,2,0 KEYOPT,17,5,0 ! Generate the target surface ASEL,S,,,21 CM,_TARGET,AREA TYPE,17 NSLA,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface ASEL,S,,,40 ASEL,A,,,45 CM,_CONTACT,AREA TYPE,18 NSLA,S,1 ESLN,S,0 ESURF ALLSEL ESEL,ALL ESEL,S,TYPE,,17 ESEL,A,TYPE,,18 ESEL,R,REAL,,10 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,17 ESEL,A,TYPE,,18 ESEL,R,REAL,,10 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 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!第四滚珠 /SOL FLST,2,1,5,ORDE,1 FITEM,2,19 ASEL,S, , , 19 VPLOT NSLA,S,1 FLST,2,441,1,ORDE,10 FITEM,2,9496 FITEM,2,9506 FITEM,2,-9525 FITEM,2,9727 FITEM,2,9737 FITEM,2,-9756 FITEM,2,9976 FITEM,2,-10013 FITEM,2,10204 FITEM,2,-10564 !* /GO D,P51X, , , , , ,UX,UY, , , , ALLSEL,ALL ASEL,S, , , 18 NSLA,S,1 FLST,2,231,1,ORDE,8 FITEM,2,9495 FITEM,2,-9505 FITEM,2,9726 FITEM,2,-9736 FITEM,2,9957 FITEM,2,-9994 FITEM,2,10033 FITEM,2,-10203 !* /GO D,P51X, , , , , ,UZ, , , , , ALLSEL,ALL !对称 FLST,2,6,5,ORDE,5 FITEM,2,1 FITEM,2,-3 FITEM,2,7 FITEM,2,17 FITEM,2,22 DA,P51X,SYMM ! 位移载荷，预紧 FLST,2,1,5,ORDE,1 FITEM,2,13 !* /GO DA,P51X,UZ,-0.000008 /solu ANTYPE,0 nropt,auto !选用完全的牛顿—拉普 kbc,1 !设置荷载的变化方式 autots,on !自动搜索 nlgeom,on ! 打开大变形选项 lnsrch,on !自动线性搜索 solc,on NSUBST,100,1000,10 PSTRES,1 /STATUS,SOLU SOLVE

panwang · 发表于 2006-5-17 08:04

模态分析必须是线性的，

账号		自动登录	找回密码
密码			我要加入

[求助]接触单元模拟轴承的问题

马上注册，结交更多好友，享用更多功能，让你轻松玩转社区。

本帖被以下淘专辑推荐:

回复：（jimysu）[求助]接触单元模拟轴承的问题