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用ansys做齿轮的模态分析,在Pro/E中建模,单位制为mmns,导入到ansys中分析,得到的前五阶模态固有频率值如下:
***** INDEX OF DATA SETS ON RESULTS FILE *****
SET TIME/FREQ LOAD STEP SUBSTEP CUMULATIVE
1 66849. 1 1 1
2 79018. 1 2 2
3 79028. 1 3 3
4 79041. 1 4 4
5 79071. 1 5 5
怎么会这么大呢?求哪位大侠帮忙,我的弹性模量是2.06e5Mpa ,泊松比0.28,密度7.8e-9Ton/mm^2,没有错啊,贴出了命令流如下
/BATCH
/COM,ANSYS RELEASE 12.0.1 UP20090415 11:15:20 08/06/2012
/input,start120,ans,'D:\Program Files\ANSYS Inc\v120\ANSYS\apdl\',,,,,,,,,,,,,,,,1
/inp,g_c1,anf
/VIEW,1,1,1,1
! /menu,on
/GRA,POWER
/GST,ON
/PLO,INFO,3
/GRO,CURL,ON
/CPLANE,1
/REPLOT,RESIZE
WPSTYLE,,,,,,,,0
/REPLOT,RESIZE
!*
!*
/CWD,'F:\ansys\model_c1'
!*
/NOPR
/PMETH,OFF,0
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
/GO
!*
/COM,
/COM,Preferences for GUI filtering have been set to display:
/COM, Structural
!*
VPLOT
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/AUTO,1
/REP,FAST
APLOT
/PNUM,KP,0
/PNUM,LINE,0
/PNUM,AREA,1
/PNUM,VOLU,0
/PNUM,NODE,0
/PNUM,TABN,0
/PNUM,SVAL,0
/NUMBER,0
!*
/PNUM,ELEM,0
/REPLOT
!*
/DIST,1,1.08222638492,1
/REP,FAST
/USER, 1
/VIEW, 1, 0.409584778087E-01, -0.325968817086 , 0.944492844538
/DIST, 1, 26.5064033675
/ANG, 1, -1.39672649135
/REPLO
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/AUTO,1
/REP,FAST
!*
ET,1,SOLID186
!*
!*
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2.06e5
MPDATA,PRXY,1,,0.28
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,7.8e-9
SMRT,6
SMRT,7
CM,_Y,VOLU
VSEL, , , , 1
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
!*
VSWEEP,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
APLOT
FINISH
/SOL
ASEL,ALL
FLST,5,2,5,ORDE,2
FITEM,5,155
FITEM,5,-156
ASEL,S, , ,P51X
NSLA,S,1
NPLOT
APLOT
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/VIEW,1,,,1
/ANG,1
/REP,FAST
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
NSEL,S,LOC,Z,12
NPLOT
/USER, 1
/VIEW, 1, 0.624926327874 , 0.539976528922 , 0.563819503869
/ANG, 1, 14.5703005367
/REPLO
/VIEW, 1, 0.879887581300 , 0.469815420557 , 0.712131650753E-01
/ANG, 1, 33.4843232561
/REPLO
ALLSEL,ALL
APLOT
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/AUTO,1
/REP,FAST
ASEL,ALL
FLST,5,2,5,ORDE,2
FITEM,5,155
FITEM,5,-156
ASEL,S, , ,P51X
NSLA,S,1
NPLOT
/PNUM,KP,1
/PNUM,LINE,0
/PNUM,AREA,1
/PNUM,VOLU,0
/PNUM,NODE,0
/PNUM,TABN,0
/PNUM,SVAL,0
/NUMBER,0
!*
/PNUM,ELEM,0
/REPLOT
!*
ALLSEL,ALL
VPLOT
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/PNUM,KP,1
/PNUM,LINE,0
/PNUM,AREA,0
/PNUM,VOLU,0
/PNUM,NODE,0
/PNUM,TABN,0
/PNUM,SVAL,0
/NUMBER,0
!*
/PNUM,ELEM,0
/REPLOT
!*
/USER, 1
/VIEW, 1, 0.247657627778 , 0.117179763029 , 0.961735203962
/ANG, 1, 4.44911431593
/REPLO
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/FOC, 1, -6.09605391666 , 0.992717626994E-01, 7.55011741206
/REPLO
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,1.08222638492,1
/REP,FAST
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/AUTO,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
NSEL,ALL
KSEL,ALL
KSEL,S, , , 308
FLST,2,1,3,ORDE,1
FITEM,2,308
!*
/GO
DK,P51X, ,0, ,0,ALL, , , , , ,
ALLSEL,ALL
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/AUTO,1
/REP,FAST
!*
ANTYPE,2
!*
!*
MODOPT,LANB,5
EQSLV,SPAR
MXPAND,5, , ,0
LUMPM,0
PSTRES,0
!*
MODOPT,LANB,5,0,0, ,OFF
MXPAND,5,0,0,1,0.001,
!*
OUTRES,ALL,ALL,
!*
OUTPR,ALL,ALL,
ALLSEL,ALL
/STATUS,SOLU
SOLVE
FLST,2,308,3,ORDE,2
FITEM,2,1
FITEM,2,-308
DKDELE,P51X,ALL
/DIST,1,1.08222638492,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/PNUM,KP,0
/PNUM,LINE,0
/PNUM,AREA,0
/PNUM,VOLU,0
/PNUM,NODE,0
/PNUM,TABN,0
/PNUM,SVAL,0
/NUMBER,0
!*
/PNUM,ELEM,0
/REPLOT
!*
/VIEW,1,,,1
/ANG,1
/REP,FAST
ASEL,ALL
FLST,5,2,5,ORDE,2
FITEM,5,155
FITEM,5,-156
ASEL,S, , ,P51X
NSLA,S,1
CSYS,1
FINISH
/PREP7
FLST,2,1065,1,ORDE,10
FITEM,2,4233
FITEM,2,-4278
FITEM,2,5153
FITEM,2,-5167
FITEM,2,5385
FITEM,2,-5399
FITEM,2,8467
FITEM,2,-9440
FITEM,2,28453
FITEM,2,-28467
NROTAT,P51X
FINISH
/SOL
FLST,2,1065,1,ORDE,10
FITEM,2,4233
FITEM,2,-4278
FITEM,2,5153
FITEM,2,-5167
FITEM,2,5385
FITEM,2,-5399
FITEM,2,8467
FITEM,2,-9440
FITEM,2,28453
FITEM,2,-28467
!*
/GO
D,P51X, ,0, , , ,ALL, , , , ,
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
ALLSEL,ALL
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
MXPAND,5,0,0,1,0.001,
!*
OUTRES,ALL,ALL,
!*
OUTPR,ALL,ALL,
/STATUS,SOLU
SOLVE
/STATUS,SOLU
SOLVE
/BATCH
/COM,ANSYS RELEASE 12.0.1 UP20090415 19:56:04 08/06/2012
/input,start120,ans,'D:\Program Files\ANSYS Inc\v120\ANSYS\apdl\',,,,,,,,,,,,,,,,1
/inp,g_c1,anf
/VIEW,1,1,1,1
! /menu,on
/GRA,POWER
/GST,ON
/PLO,INFO,3
/GRO,CURL,ON
/CPLANE,1
/REPLOT,RESIZE
WPSTYLE,,,,,,,,0
/REPLOT,RESIZE
!*
!*
/CWD,'F:\ansys\model_c1'
VPLOT
!*
/NOPR
/PMETH,OFF,0
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
/GO
!*
/COM,
/COM,Preferences for GUI filtering have been set to display:
/COM, Structural
!*
!*
ET,1,SOLID186
!*
!*
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2.06e5
MPDATA,PRXY,1,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,7.8e-9
SMRT,6
SMRT,5
SMRT,4
MSHAPE,1,3D
MSHKEY,0
!*
CM,_Y,VOLU
VSEL, , , , 1
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
!*
VMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
SAVE,'1','db','F:\ANSYS\MODEL_C1\'
/VIEW,1,,,1
/ANG,1
/REP,FAST
/AUTO,1
/REP,FAST
/AUTO,1
/REP,FAST
CSYS,1
NSEL,ALL
NSEL,S,LOC,X,7
/UI,MESH,OFF
NPLOT
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
CSYS,0
NSEL,ALL
NSEL,S,LOC,Z,12
NPLOT
ALLSEL,ALL
VPLOT
CSYS,1
NSEL,S,LOC,X,7
NPLOT
CSYS,0
NSEL,S,LOC,Z,12
NPLOT
ALLSEL,ALL
VPLOT
/AUTO,1
/REP,FAST
NSEL,S,LOC,X,7
NPLOT
ALLSEL,ALL
VPLOT
CSYS,1
/MREP,EPLOT
NSEL,S,LOC,X,7
NPLOT
CSYS,0
NSEL,R,LOC,Z,12
NPLOT
/PNUM,KP,0
/PNUM,LINE,0
/PNUM,AREA,0
/PNUM,VOLU,0
/PNUM,NODE,1
/PNUM,TABN,0
/PNUM,SVAL,0
/NUMBER,0
!*
/PNUM,ELEM,0
/REPLOT
!*
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
/DIST,1,0.924021086472,1
/REP,FAST
FINISH
/SOL
FLST,2,1,1,ORDE,1
FITEM,2,1508
!*
/GO
D,P51X, ,0, , , ,ALL, , , , ,
RESUME
/COM,ANSYS RELEASE 12.0.1 UP20090415 20:17:25 08/06/2012
/REPLOT,RESIZE
ALLSEL,ALL
EPLOT
/AUTO,1
/REP,FAST
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
!*
ANTYPE,2
!*
!*
MODOPT,LANB,10
EQSLV,SPAR
MXPAND,10, , ,0
LUMPM,0
PSTRES,0
!*
MODOPT,LANB,10,0,0, ,OFF
!*
OUTPR,ALL,ALL,
!*
OUTRES,ALL,ALL,
SAVE
SAVE,'2','db','F:\ANSYS\MODEL_C1\'
/STATUS,SOLU
ALLSEL,ALL
/STATUS,SOLU
SOLVE
/BATCH
/COM,ANSYS RELEASE 12.0.1 UP20090415 10:17:37 08/09/2012
/input,start120,ans,'D:\Program Files\ANSYS Inc\v120\ANSYS\apdl\',,,,,,,,,,,,,,,,1
/inp,g_c1,anf
/VIEW,1,1,1,1
! /menu,on
/GRA,POWER
/GST,ON
/PLO,INFO,3
/GRO,CURL,ON
/CPLANE,1
/REPLOT,RESIZE
WPSTYLE,,,,,,,,0
/REPLOT,RESIZE
VPLOT
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/AUTO,1
/REP,FAST
/VIEW,1,1,1,1
/ANG,1
/REP,FAST
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/CWD,'F:\ansys\model_c1'
!*
/NOPR
/PMETH,OFF,0
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
/GO
!*
/COM,
/COM,Preferences for GUI filtering have been set to display:
/COM, Structural
!*
!*
ET,1,SOLID186
!*
!*
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2.06e5
MPDATA,PRXY,1,,0.28
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,7.8e-9
SMRT,6
SMRT,7
MSHAPE,1,3D
MSHKEY,0
命令流不全,大家先看看 |