紧急求助，ABAQUS中设置螺栓预紧力

gaitaoshenle

高手，能帮我看个命令流吗？这是个加锚栓预紧力的，能不能帮我看看哪不对啊谢谢VSEL,S,VOLU,,8,43,74,17
CM,BOLT,VOLU
CMSEL,S,BOLT
VSEL,R,LOC,Z,-260
ALLSEL,ALL
PSMESH,8,BOLT2,,V,8,0,Z,-260 !在螺栓VOLU3的Z=-LBT/2的地方建PRETENSION中心
PSMESH,43,BOLT4,,V,43,0,Z,-260 !在螺栓VOLU4的Z=-LBT/2的地方建PRETENSION中心
PSMESH,74,BOLT29,,V,74,0,Z,-260 !在螺栓VOLU3的Z=-LBT/2的地方建PRETENSION中心
PSMESH,17,BOLT34,,V,17,0,Z,-260
/SOLU
SLOAD,ALL,9,LOCK,FORC,71000,1,2
VSEL,S, , , 4
SLOAD,ALL,9,LOCK,FORC,66800,1,2
VSEL,S, , , 34
SLOAD,ALL,9,LOCK,FORC,67700,1,2
VSEL,S, , , 29
SLOAD,ALL,9,LOCK,FORC,71000,1,2
VSEL,S, , , 2
SLOAD,ALL,9,LOCK,FORC,73900,1,2
VSEL,S,VOLU,,37,40
CM,BOLT,VOLU
CMSEL,S,BOLT
VSEL,R,LOC,Z,-260
ALLSEL,ALL
PSMESH,37,BOLT37,,V,37,0,Z,-260 !在螺栓VOLU3的Z=-LBT/2的地方建PRETENSION中心
PSMESH,40,BOLT40,,V,40,0,Z,-260 !在螺栓VOLU4的Z=-LBT/2的地方建PRETENSION中心
/SOLU
SLOAD,ALL,9,LOCK,FORC,103000,1,2
ASEL,S, , , 24
NSLA,S,1
SAVE
FLST,4,78,1,ORDE,3
FITEM,4,4408
FITEM,4,4333
FITEM,4,-4410
CP,27,UX,P51X !耦合X方向位移27的
/COM, Structural
!*
/PREP7
!*
ET,1,SOLID45
!*
!*
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2.05e5
MPDATA,PRXY,1,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,2,,2.05e5
MPDATA,PRXY,2,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,3,,2.05e5
MPDATA,PRXY,3,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,3,,7.85e-9
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,2,,7.85e-5
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDE,DENS,2
MPDATA,DENS,2,,7.85E-009
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,7.85e-9
TB,MISO,2,1,2,0
TBTEMP,0
TBPT,,0.0018537,380
TBPT,,0.03,440
TB,MISO,1,1,3,0
TBTEMP,0
TBPT,,0.0016098,330
TBPT,,0.005,330
TBPT,,0.03,400
TBDE,MISO,2,,,
TB,MISO,2,1,2,0
TBTEMP,0
TBPT,,0.0018537,380
TBPT,,0.03,440
TBDE,MISO,1,,,
TB,MISO,1,1,3,0
TBTEMP,0
TBPT,,0.0016098,330
TBPT,,0.005,330
TBPT,,0.01,400
TB,MISO,3,1,3,0
TBTEMP,0
TBPT,,0.0018537,380
TBPT,,0.015,380
TBPT,,0.03,420
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,MU,3,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,MU,2,,0.4
SAVE
ASEL,S, , , 30
NSLA,S,1
FINISH
/PREP7
FLST,4,78,1,ORDE,3
FITEM,4,6060
FITEM,4,5985
FITEM,4,-6062
CP,36,UX,P51X
ASEL,S, , , 39
NSLA,S,1
FLST,4,78,1,ORDE,3
FITEM,4,7840
FITEM,4,7765
FITEM,4,-7842
CP,27,UX,P51X

这个是指沿螺栓方向的力，就是语境力。
如果你觉得不好的话，你可以多设置一个步，放在计算之前，就是把螺栓建立模型，然后旋转几周，先试算一下，得到一个估摸的系数，然后用beam代替语境。直接加载 力乘以这个系数。