ANSYS 影响线分析。(Influence line analysis using ANSYS)
- 算例（Example）
- ANSYS有限元模拟（FEM Analysis with ANSYS）
命令流：
FINISH
/CLEAR
/TITLE,Influence Line Analysis
/PREP7
!Element type
ET,1,BEAM3
!Material
MP,EX,1,25000
MP,PRXY,1,0.2
!Real for beam 200X500
!R,NO,AREA,IZZ,TKZ,SHEARZ
R,1,100000,2.083E+09,500,0
!Node
NMAX=41
DX=300
*DO,I,1,NMAX
N,I,(I-1)*DX,0,0
*ENDDO
!Beam element
REAL,1
*DO,I,1,(NMAX-1)
EN,I,I,I+1
*ENDDO
!Displacement boundary conditions
D,1,UY,0
D,1,UZ,0
D,1,ROTX,0
D,1,ROTY,0
D,11,UX,0
D,11,UY,0
D,11,UZ,0
D,11,ROTX,0
D,11,ROTY,0
D,31,UY,0
D,31,UZ,0
D,31,ROTX,0
D,31,ROTY,0
D,41,UY,0
D,41,UZ,0
D,41,ROTX,0
D,41,ROTY,0
FINISH
/SOLU
ALLSEL,ALL
ANTYPE,STATIC
*Do,I,1,NMAX
TIME,I
!delete force load on nodes
FDELE,ALL,ALL
F,I,FY,-1
SOLVE
*ENDDO
FINISH
/POST26
!node displacement
NSOL,2,20,U,Y
PLVAR,2
!element moment
ESOL,3,20,21,M,Z
PLVAR,3
!element shear force
ESOL,4,20,21,F,Y
PLVAR,4
输入以上命令流，运行分析，即可获得分析结果。
- 查看分析结果（Check Results）
Influence line of displacement:
Influence line of moment:
Influence line of shear force:
- 与SAP2000分析结果对比（Comparison with SAP2000 results ）
Influence line of displacement:
Influence line of moment:
Influence line of shear force:
- 注释 ( Comments )
(大家一起学习有限元!!!! 如有错漏，欢迎批评指正。Email : jidong_cui@163.com)
( If you have found any problem about this post, please don’t hesitate to contact me directly. Email : jidong_cui@163.com)
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