回复 leishengmei 的帖子
不好意思,这两天赶一个项目,既没有回复你也没有给你发邮件。
代码我贴在这里吧,供你参考(咱们论坛不建议大家留下邮箱私自解决了事哈,呵呵):
- FINISH
- /CLEAR
- /TITLE,A MODE ANALYSIS FOR SINGLE DISC ROTATE SYS
- !Parameters
- *SET,L1,305 !轴段1的长度
- *SET,L2,500 !轴段2的长度
- *SET,R_AXIS,30 !实心轴的直径
- *SET,R_DISC,300 !实心盘的直径
- *SET,H_DISC,25 !实心盘的厚度
- *SET,MEX,2.06E5 !材料弹性模量
- *SET,MNUXY,0.3 !材料泊松比
- *SET,MDENS,7.8E-9 !材料密度
- *SET,NMESH_CIR,5 !
- *SET,NMESH_R,8 !
- *SET,NMESH_HDISC,3 !
- !CONST
- *SET,PI,4*ATAN(1)
- !Model
- !Path Lines
- /PREP7
- K,100,0,0,0
- K,101,0,0,-1*H_DISC
- K,102,0,0,L2
- K,103,0,0,L1+L2
- L,100,101
- L,100,102
- L,102,103
- !LINES
- CIRCLE,100,R_AXIS/2
- CIRCLE,100,R_DISC/2
- L,3,7
- L,1,5
- L,2,6
- L,4,8
- !AREAS
- AL,4,5,6,7
- AL,9,12,14,5
- AL,4,14,8,13
- AL,7,13,11,15
- AL,12,6,15,10
- !VOLUMES
- VDRAG,1,,,,,,1
- VDRAG,1,,,,,,2
- ASEL,S,LOC,Z,L2
- VDRAG,ALL,,,,,,3
- ALLSEL,ALL
- VDRAG,2,,,,,,1
- VDRAG,3,,,,,,1
- VDRAG,4,,,,,,1
- VDRAG,5,,,,,,1
- !MESHSETTINGS
- CSYS,1
- LSEL,S,LOC,Z,L2
- LSEL,A,LOC,Z,L1+L2
- LESIZE,ALL,,,NMESH_CIR
- ALLSEL,ALL
- LSEL,S,LOC,Z,0
- LSEL,A,LOC,Z,-1*H_DISC
- LSEL,R,LOC,X,R_DISC/2
- LESIZE,ALL,,,NMESH_CIR
- ALLSEL,ALL
- LSEL,S,LOC,Z,0
- LSEL,A,LOC,Z,-1*H_DISC
- LSEL,R,LOC,X,R_AXIS/2
- LESIZE,ALL,,,NMESH_CIR
- ALLSEL,ALL
- LSEL,S,LOC,Z,0
- LSEL,A,LOC,Z,-1*H_DISC
- LSEL,U,LOC,X,R_AXIS/2
- LSEL,U,LOC,X,R_DISC/2
- LESIZE,ALL,,,NMESH_R
- ALLSEL,ALL
- LSEL,S,LOC,X,R_AXIS/2
- LSEL,U,LOC,Z,0,-1*H_DISC
- LSEL,U,LOC,Z,L2
- LSEL,U,LOC,Z,L1+L2
- LESIZE,ALL,20
- ALLSEL,ALL
- LSEL,S,LOC,X,R_DISC/2
- LSEL,A,LOC,Z,0,-1*H_DISC
- LSEL,U,LOC,Z,0
- LSEL,U,LOC,Z,-1*H_DISC
- LESIZE,ALL,,,NMESH_HDISC
- ALLSEL,ALL
- ET,1,SOLID45
- MP,EX,1,MEX
- MP,NUXY,1,MNUXY
- MP,DENS,1,MDENS
- MSHAPE,0,3D
- VMESH,ALL
- ALLSEL,ALL
- !DOF constraints
- CSYS,1
- NROTAT,ALL
- ALLSEL,ALL
- LSEL,S,LOC,X,R_AXIS/2
- LSEL,R,LOC,Z,L2
- NSLL,S,1
- D,ALL,UX,0
- D,ALL,UY,0
- ALLSEL,ALL
- !NSEL,S,LOC,Z,L1+L2
- LSEL,S,LOC,X,R_AXIS/2
- LSEL,R,LOC,Z,L1+L2
- NSLL,S,1
- D,ALL,ALL
- ALLSEL,ALL
- CSYS,0
- NUMMRG,ALL
- !Solve
- /solu
- antype,modal
- modopt,qrdamp,5,,,on
- ! stationary reference frame
- coriolis,on,,,on
- !
- *DO,I,0,5,1
- omega,,,I*200
- mxpand,5
- solve
- *ENDDO
- finish
- /POST1
- ! Plot Campbell Diagram
- plcamp,on,1,RPM
- finish
复制代码
模型画出来是这样的:
画出来的坎贝尔图是这样的:
这个模型我是我学习的时候练习用的,我和另外一个同学分别作出了相同的结果(他UGI,我APDL),应该没什么大错吧。
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