zhangjisi 发表于 2014-6-27 00:15

求助 如何添加旋转约束

整个作业是两个部件,一个是平板,一个是圆柱体。圆柱体垂直于平板,让后圆柱体绕轴旋转,在接触面上,发生摩擦。
建模过程中,无法让圆柱体有效旋转起来,请高手指教,如何让它绕轴旋转。

这里应该使用什么模块,并且加入什么约束。
请高手教我,谢谢
http://forums.caenet.cn/attachment.aspx?attachmentid=147517

yhappy0519 发表于 2014-6-28 13:46

Ansys主要应用领域不在此,建议使用abaqus或者MSC都很简单

zhangjisi 发表于 2014-6-29 04:06

谢谢 主要是发生摩擦之后要作热传递的分析 所以 还是要建立这个模型

beilangbu 发表于 2014-7-2 21:55

/FILNAME,Whee-rail contact,0 /PREP7   !定义单元 ET,1,SOLID185 KEYOPT,1,2,1    !定义材料参数 MPTEMP,,,,,,,,   MPTEMP,1,0   MPDATA,EX,1,,2e11    MPDATA,PRXY,1,,0.3   MP,DENS,1,7800   TB,BISO,1,1,2,TBTEMP,0    TBDATA,,500e6,0,,,,!建立模型 BLOCK,0,1,0,0.06,0,0.15, CYL4,0.1,0.16,0.03,0,0.1,360,0.05VGEN, ,2, , , , ,0.05, , ,1 !划分网格ESIZE,0.012VSWEEP,ALL   !定义接触对 !*   CM,_NODECM,NODECM,_ELEMCM,ELEMCM,_KPCM,KPCM,_LINECM,LINECM,_AREACM,AREACM,_VOLUCM,VOLU/GSAV,cwz,gsav,,temp ! Define surface-based constraint type of pair   MAT,1    R,3REAL,3   ET,2,170 ET,3,174 KEYOPT,3,12,5    KEYOPT,3,4,2 KEYOPT,3,2,2 KEYOPT,2,2,1 KEYOPT,2,4,111111    TYPE,2   ! Create a pilot node    ! At center of mass of contact geometric entities    N,8881, 0.1,0.16,0.075   TSHAP,PILO   E,8881   ! Generate the contact surface   ASEL,S,,,11ASEL,A,,,12CM,_CONTACT,AREA TYPE,3   NSLA,S,1 ESLN,S,0 NSLE,A,CT2 ! CZMESH patch (fsk qt-40109 8/2008)ESURF    ALLSEL   ESEL,ALL ESEL,S,TYPE,,2   ESEL,A,TYPE,,3   ESEL,R,REAL,,3   /PSYMB,ESYS,1    /PNUM,TYPE,1 /NUM,1   EPLOT    ESEL,ALL ESEL,S,TYPE,,2   ESEL,A,TYPE,,3   ESEL,R,REAL,,3   CMSEL,A,_NODECMCMDEL,_NODECM    CMSEL,A,_ELEMCMCMDEL,_ELEMCM    CMSEL,S,_KPCM    CMDEL,_KPCMCMSEL,S,_LINECMCMDEL,_LINECM    CMSEL,S,_AREACMCMDEL,_AREACM    CMSEL,S,_VOLUCMCMDEL,_VOLUCM    /GRES,cwz,gsav   CMDEL,_TARGET    CMDEL,_CONTACT   !*   !*   CM,_NODECM,NODECM,_ELEMCM,ELEMCM,_KPCM,KPCM,_LINECM,LINECM,_AREACM,AREACM,_VOLUCM,VOLU/GSAV,cwz,gsav,,temp MP,MU,1,0.25 MAT,1    MP,EMIS,1,7.88860905221e-031 R,4REAL,4   ET,4,170 ET,5,174 R,4,,,1.0,0.1,0, 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,5,4,0 KEYOPT,5,5,0 KEYOPT,5,7,0 KEYOPT,5,8,0 KEYOPT,5,9,0 KEYOPT,5,10,2    KEYOPT,5,11,0    KEYOPT,5,12,0    KEYOPT,5,2,0 KEYOPT,4,5,0 ! Generate the target surface    ASEL,S,,,9   ASEL,A,,,10CM,_TARGET,AREATYPE,4   NSLA,S,1 ESLN,S,0 ESLL,U   ESEL,U,ENAME,,188,189    NSLE,A,CT2   ESURF    CMSEL,S,_ELEMCM! Generate the contact surface   ASEL,S,,,4   CM,_CONTACT,AREA TYPE,5   NSLA,S,1 ESLN,S,0 NSLE,A,CT2 ! CZMESH patch (fsk qt-40109 8/2008)ESURF    ALLSEL   ESEL,ALL ESEL,S,TYPE,,4   ESEL,A,TYPE,,5   ESEL,R,REAL,,4   /PSYMB,ESYS,1    /PNUM,TYPE,1 /NUM,1   EPLOT    ESEL,ALL ESEL,S,TYPE,,4   ESEL,A,TYPE,,5   ESEL,R,REAL,,4   CMSEL,A,_NODECMCMDEL,_NODECM    CMSEL,A,_ELEMCMCMDEL,_ELEMCM    CMSEL,S,_KPCM    CMDEL,_KPCMCMSEL,S,_LINECMCMDEL,_LINECM    CMSEL,S,_AREACMCMDEL,_AREACM    CMSEL,S,_VOLUCMCMDEL,_VOLUCM    /GRES,cwz,gsav   CMDEL,_TARGET    CMDEL,_CONTACT   /MREP,EPLOT)/GOP    ! Resume printing after UNDO process    )! We suggest a save at this point   !进入求解 /SOL ANTYPE,4!定义分析类型 TRNOPT,FULL   !使用完全法进行瞬态动力学分析 NLGEOM,1!激活大变形分析EQSLV,SPAR   !设置求解器类型 !定义边界条件 DA,3,ALL, D,8881, , , , , ,ALL, , , , ,    D,8881, ,-0.00039, , , ,UY, , , , ,    !设置计算结果的输出控制 OUTRES,ALL,ALL, !打开接触优化控制 SOLCONTROL,ON,1,NOPL !关闭结构瞬态效应 TIMINT,0 TINTP,0.005, , , , , ,   TIME,1e-3    AUTOTS,-1    NSUBST,1,1,1,1   KBC,0NEQIT,40, !设置每一个子步的最大迭代次数   SOLVE !删除平动和转动位移约束   DDELE,8881,UX    DDELE,8881,ROTZ!施加一个新的转动位移约束 D,8881, ,0.6, , , ,UX, , , , TIMINT,1 !激活结构瞬态效应 TIME,2.5 NSUBST,200,225 ,100 ,1 AUTOTS,1 SOLVE

beilangbu 发表于 2014-7-2 21:56

ansys命令流   自己看看

dujunmin 发表于 2014-7-13 17:30

是否可以在圆柱体上建立柱坐标系,约束径向、轴向位移,这样是否可以呢?
页: [1]
查看完整版本: 求助 如何添加旋转约束