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523696410

新虫 (小有名气)

[求助] 刚接触ANSYS,有不少疑惑,折腾了好几天无果,求大家指导~~~已有1人参与

刚接触ANSYS,有不少疑惑,折腾了好几天无果,求大家指导,不慎感激~~~
1、跟着书里面做螺栓预紧力的仿真,结果显示预紧力这一步螺栓在横向有移动,这是为什么呢,是什么问题?
2、加工作载荷的时候(SFA)出现错误''UNrecognized load label=-800for the SFA command'',是什么原因?该怎么解决?
3、书中说这是非线性接触问题求解,我想把这个求解的结果再进行模态分析,可以吗?

感谢!!!

这是相应的命令流:
/CLEAR
/FILNAME,L2

/PREP7
ET,1,SOLID186
ET,2,TARGE170
ET,3,CONTA174

MP,EX,1,2E11
MP,PRXY,1,0.3

/VIEW,1,1,1,1

BLOCK,-0.03,0.03,-0.02,0.02,0.006,0
BLOCK,-0.03,0.03,-0.02,0.02,0.006,0.012
CM,VVV1,VOLU
VSEL,NONE
CYL4,-0.02,0,0.006,0,0,360,0.012
CYL4,0.02,0,0.006,0,0,360,0.012
CM,VVV2,VOLU
ALLS
VSBV,VVV1,VVV2

WPOFF,-0.02
VSEL,NONE
CYLIND,0,0.005,0,0.012,0,360
CYLIND,0,0.0075,0.016,0.012,0,360
CYLIND,0,0.0075,0,-0.004,0,360
VGLUE,ALL


WPOFF,0.04
VSEL,NONE
CYLIND,0,0.005,0,0.012,0,360
CYLIND,0,0.0075,0.016,0.012,0,360
CYLIND,0,0.0075,0,-0.004,0,360
VGLUE,ALL

ALLS

ESIZE,0.003
SMRTSIZE,7
VSEL,S,,,5,6,1
VSWEEP,ALL
VSEL,S,,,1,2,1
VSWEEP,ALL
ALLS
MSHAPE,1
MSHKEY,0
VMESH,4,7,3
VMESH,9,10,1


R,2,,,0.1
R,3,,,0.1
R,4,,,0.1

ASEL,S,,,34,46,12
NSLA,S,1
REAL,2
TYPE,2
ESURF
ALLS
ASEL,S,,,32
NSLA,S,1
REAL,2
TYPE,3
ESURF
ALLS


ASEL,S,,,31
NSLA,S,1
REAL,3
TYPE,2
ESURF
ALLS
ASEL,S,,,25
NSLA,S,1
REAL,3
TYPE,3
ESURF
ALLS


ASEL,S,,,33,45,12
NSLA,S,1
REAL,4
TYPE,2
ESURF
ALLS
ASEL,S,,,26
NSLA,S,1
REAL,4
TYPE,3
ESURF
ALLS



ASEL,S,,,26
NSLA,S,1
CP,1,UZ,ALL
ASEL,S,,,32
NSLA,S,1
CP,2,UZ,ALL
ALLS


PSMESH,1,,,VOLU,1,O,Z,0.006,,,,ELEMS1
PSMESH,2,,,VOLU,2,0,Z,0.006,,,,ELEMS2
FINI



/SOLU
NSEL,S,LOC,Y,0
D,ALL,UY
ALLS
NSEL,S,LOC,X,0
D,ALL,UX
ALLS
NSEL,S,LOC,Z,0
D,ALL,UZ
ALLS
SLOAD,1,PL01,,FORCE,5000,1,2
SLOAD,2,PL01,,FORCE,5000,1,2
SOLVE
SFA,32,PRES,-8000/0.21738E-02
SFA,26,PRES,-8000/0.21738E-02
SOLVE
FINI


/POST1
PLNSOL,S,Z
ASEL,S,,,25
NSLA,S,1
SET,FIRST
PRNLD,F
SET,NEXT
PRNLD,F
ALLS
FINI

刚接触ANSYS,有不少疑惑,折腾了好几天无果,求大家指导~~~
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