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[求助]
大家帮我看看这个接触分析
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求各位高手帮我看看这个接触分析，怎么改变接触刚度应力不变化啊，而且计算结果和我用经典接触理论算出来的差距比较大？ 小弟谢谢各位了，急用啊！ /PREP7 K, ,36,,, K, ,56,,, K, ,56,13,, K, ,158,13,, K, ,158,29,, K, ,173,29,, K, ,173,33,, K, ,184,33,, K, ,184,63,, K, ,163,63,, K, ,163,48,, K, ,138,48,, K, ,138,42,, K, ,56,42,, K, ,56,60,, K, ,36,60,, LSTR, 1, 2 LSTR, 2, 3 LSTR, 3, 4 LSTR, 4, 5 LSTR, 5, 6 LSTR, 6, 7 LSTR, 7, 8 LSTR, 8, 9 LSTR, 9, 10 LSTR, 10, 11 LSTR, 11, 12 LSTR, 12, 13 LSTR, 13, 14 LSTR, 14, 15 LSTR, 15, 16 LSTR, 16, 1 K, ,140,,, K, ,173,,, K, ,173,15,, K, ,158,15,, K, ,158,10,, K, ,140,5,, LSTR, 17, 18 LSTR, 18, 19 LSTR, 19, 20 LSTR, 20, 21 LSTR, 21, 22 LSTR, 22, 17 LPLOT FLST,2,16,4 FITEM,2,16 FITEM,2,1 FITEM,2,2 FITEM,2,3 FITEM,2,4 FITEM,2,5 FITEM,2,6 FITEM,2,7 FITEM,2,13 FITEM,2,14 FITEM,2,15 FITEM,2,12 FITEM,2,11 FITEM,2,10 FITEM,2,9 FITEM,2,8 AL,P51X FLST,2,6,4 FITEM,2,22 FITEM,2,17 FITEM,2,18 FITEM,2,19 FITEM,2,20 FITEM,2,21 AL,P51X CYL4,165,22,7 ET,1,PLANE82 KEYW,PR_SET,1 KEYW,PR_STRUC,1 KEYW,PR_THERM,0 KEYW,PR_FLUID,0 KEYW,PR_ELMAG,0 KEYW,MAGNOD,0 KEYW,MAGEDG,0 KEYW,MAGHFE,0 KEYW,MAGELC,0 KEYW,PR_MULTI,0 KEYW,PR_CFD,0 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,EX,1,,1.4e5 MPDATA,PRXY,1,,0.3 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,DENS,1,,7.856e-6 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,EX,2,,2.1e5 MPDATA,PRXY,2,,0.277 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,DENS,2,,7.87e-6 TYPE, 1 MAT, 1 REAL, ESYS, 0 SECNUM, FLST,5,4,4,ORDE,2 FITEM,5,23 FITEM,5,-26 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,,_Y LESIZE,_Y1,1, , , , , , ,1 MSHAPE,0,2D MSHKEY,0 CM,_Y,AREA ASEL, , , , 3 CM,_Y1,AREA CHKMSH,'AREA' CMSEL,S,_Y AMESH,_Y1 CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2 TYPE, 1 MAT, 2 REAL, ESYS, 0 SECNUM, FLST,5,22,4,ORDE,2 FITEM,5,1 FITEM,5,-22 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,,_Y LESIZE,_Y1,1, , , , , , ,1 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 CM,_NODECM,NODE CM,_ELEMCM,ELEM CM,_KPCM,KP CM,_LINECM,LINE CM,_AREACM,AREA CM,_VOLUCM,VOLU MP,MU,1,0.105 MAT,1 MP,EMIS,1,7.88860905221e-031 R,3 REAL,3 ET,2,169 ET,3,172 R,3,,,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,3,3,0 KEYOPT,3,4,0 KEYOPT,3,5,3 NROPT,UNSYM KEYOPT,3,7,0 KEYOPT,3,8,0 KEYOPT,3,9,0 KEYOPT,3,10,2 KEYOPT,3,11,0 KEYOPT,3,12,0 KEYOPT,3,2,0 CM,_NODECM,NODE CM,_ELEMCM,ELEM CM,_KPCM,KP CM,_LINECM,LINE CM,_AREACM,AREA CM,_VOLUCM,VOLU MP,MU,1,0.105 MAT,1 MP,EMIS,1,7.88860905221e-031 R,4 REAL,4 ET,4,169 ET,5,172 R,4,,,0.1,0.1,0, 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,5,3,0 KEYOPT,5,4,0 KEYOPT,5,5,3 NROPT,UNSYM 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 ! Generate the target surface LSEL,S,,,5 CM,_TARGET,LINE TYPE,4 NSLL,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface LSEL,S,,,23 LSEL,A,,,24 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,,4 EPLOT ESEL,ALL ESEL,S,TYPE,,4 ESEL,A,TYPE,,5 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 CMDEL,_TARGET CMDEL,_CONTACT CM,_NODECM,NODE CM,_ELEMCM,ELEM CM,_KPCM,KP CM,_LINECM,LINE CM,_AREACM,AREA CM,_VOLUCM,VOLU MP,MU,1,0.105 MAT,1 MP,EMIS,1,7.88860905221e-031 R,5 REAL,5 ET,6,169 ET,7,172 R,5,,,0.1,0.1,0, 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,7,3,0 KEYOPT,7,4,0 KEYOPT,7,5,3 NROPT,UNSYM KEYOPT,7,7,0 KEYOPT,7,8,0 KEYOPT,7,9,0 KEYOPT,7,10,2 KEYOPT,7,11,0 KEYOPT,7,12,0 KEYOPT,7,2,0 ! Generate the target surface LSEL,S,,,19 CM,_TARGET,LINE TYPE,6 NSLL,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! Generate the contact surface LSEL,S,,,25 LSEL,A,,,26 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,,5 EPLOT ESEL,ALL ESEL,S,TYPE,,6 ESEL,A,TYPE,,7 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 CMDEL,_TARGET CMDEL,_CONTACT FINISH /SOL FLST,2,1,4,ORDE,1 FITEM,2,17 SFL,P51X,PRES,14.81, FLST,2,1,4,ORDE,1 FITEM,2,18 DL,P51X, ,UX, FLST,2,2,4,ORDE,2 FITEM,2,8 FITEM,2,-9 DL,P51X, ,ALL, SOLVE FINISH PLNSOL, S,EQV, 0,1.0 |
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2楼2012-07-28 10:13:09
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3楼2012-09-24 22:27:12