Ansys综合实例含40例.docx
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Ansys综合实例含40例.docx
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Ansys综合实例含40例
第一章前处理
第1例关键点和线的创建实例—正弦曲线
FINISH
/CLEAR,NOSTART
/PREP7
K,100,0,0,0
CIRCLE,100,1,,,90
CSYS,1
KFILL,2,1,4,3,1
K,7,1+3.1415926/2,0,0
CSYS,0
KFILL,7,1,4,8,1
KGEN,2,7,11,1,,1
LSTR,8,13
LSTR,9,14
LSTR,10,15
LSTR,11,16
LANG,5,6,90,,0
LANG,4,5,90,,0
LANG,3,4,90,,0
LANG,2,3,90,,0
BSPLIN,1,17,18,19,20,12
LSEL,U,,,14
LDELE,ALL
LSEL,ALL
KWPAVE,12
CSYS,4
LSYMM,X,14
NUMMRG,KP,,,,LOWLCOMB,ALL,,0
FINISH
/CLEAR,NOSTART
/PREP7
PI=3.14159
J=0
*DO,I,0,PI,PI/10.0
J=J+1
X=I
Y=SIN(I)
I=I+1
K,J,X,Y
*ENDDO
BSPLIN,1,2,3,4,5,6
BSPLIN,6,7,8,9,10,11
csys,4
KWPAVE,11
LSYMM,y,1,2,,,,0
KWPAVE,11
LSYMM,x,3,4,,,,1
以上程序有意没算到2
为了使用几个命令
第2例工作平面的应用实例—相交圆柱体
[本例提示]通过相交圆柱体的创建,本例主要介绍了工作平面的使用方法。
通过本例,读者可以了解并掌握工作平面与所创建体的位置、方向的关系,学习工作平面的设置、偏移、旋转和激活为当前坐标系的方法。
FINISH
/CLEAR,NOSTART
/PREP7
CYLIND,0.015,0,0,0.08,0,360
CYLIND,0.03,0,0,0.08,0,360
/VIEW,1,1,1,1
/PNUM,VOLU,1
WPOFF,0,0.05,0.03
WPROT,0,60
CYLIND,0.012,0,0,0.055,0,360
CYLIND,0.006,0,0,0.055,0,360
VSEL,S,,,2,3,1
CM,VV1,VOLU
VSEL,INVE
CM,VV2,VOLU
VSEL,ALL
VSBV,VV1,VV2
BLOCK,-0.002,0.002,-0.013,-0.009,0,0.008
WPSTYLE,,,,,,1
CSYS,4
VGEN,3,1,,,,120
VSBV,5,1
VSBV,4,2
VSBV,1,3
WPROT,0,0,90
VSBW,ALL
VDELE,1,4,3
VADD,ALL
VPLOT/REPLOT
第3例复杂形状实体的创建实例—螺栓
[本例提示]在使用ANSYS软件进行结构分析时,建立实体模型是最复杂最难以掌握的一个过程。
因此,有必要熟练掌握实体模型的创建。
本例使用ANSYS软件提供的各种建模工具,对复杂形状实体的创建进行了练习。
/PREP7
CSYS,1
K,1,0.008,0,-0.002
K,2,0.008,90,-0.0015
K,3,0.008,180,-0.001
K,4,0.008,270,-0.0005
K,5,0.008,0,0
/VIEW,1,1,1,1
L,1,2
L,2,3
L,3,4
L,4,5
LGEN,7,ALL,,,,,0.002
NUMMRG,KP,,,,LOW
LCOMB,ALL
K,80,0.008+0.0015/4,90,0.012+0.002/4
K,81,0.008+2*0.0015/4,180,0.012+2*0.002/4
K,82,0.008+3*0.0015/4,270,0.012+3*0.002/4
K,83,0.008+4*0.0015/4,0,0.012+4*0.002/4
L,35,80
L,80,81
L,81,82
L,82,83
CSYS,0
K,90,0.008,0,-0.00025
K,91,0.006918,0,-0.002
K,92,0.006918,0,0
/PNUM,KP,1
/PNUM,LINE,1
GPLOT
LSTR,1,90
LSTR,91,92
LANG,7,90,60,,0
LANG,7,1,120,,0
AL,6,9,10,11
VDRAG,1,,,,,,1,2,3,4,5
/PNUM,KP,0
/PNUM,LINE,0
/PNUM,AREA,1
/PNUM,VOLU,1
CYLIND,0.0079,,0,0.04,0,360
VSEL,U,,,6
CM,VVV2,VOLU
ALLS
VSBV,6,VVV2
/REPLOT
K,93,0.0065,0,0
K,94,0.0095,0,0.003
K,95,0,0,0
K,96,0,0,0.03
LSTR,93,94
AROTAT,6,,,,,,95,96,360
ASEL,S,,,1,4,1
VSBA,7,ALL
ASEL,ALL
VDELE,1,,,1
RPRISM,0.04,0.05,6,,0.0131
CONE,0.03477,0.00549,0.03,0.055,0,360
VINV,1,3
/REPLOT
VPLOT
FINISH
第4例复杂形状实体的创建实例—杯子
[本例提示]为了进一步掌握实体模型的创建方法和技巧,本例使用ANSYS软件提供的各种建模工具,对复杂形状实体的创建继续进行练习。
/PREP7
K,1,0,0,0
K,2,0.0395,0,0
K,3,0.05,0.12,0
K,4,0.047,0.12,0
K,5,0.03675,0.003,0
K,6,0,0.003,0
LSTR,1,2
LSTR,2,3
LSTR,3,4
LSTR,4,5
LSTR,5,6
LSTR,6,1
LFILLT,1,2,0.02
LFILLT,4,5,0.017
AL,ALL
VROTAT,ALL,,,,,,1,6,360
K,31,0,0.103,0
K,32,0.078,0.103,0
K,33,0.078,0.046,0
K,34,0,0.0011,0
LSTR,31,32
LSTR,32,33
LSTR,33,34
LFILLT,54,55,0.013
LFILLT,55,56,0.028
K,41,0,0.103+0.002,0.005
K,42,0,0.103+0.002,-0.005
K,43,0,0.103-0.002,-0.005
K,44,0,0.103-0.002,0.005
LSTR,41,42
LSTR,42,43
LSTR,43,44
LSTR,44,41
LFILLT,59,60,0.001
LFILLT,60,61,0.001
LFILLT,61,62,0.001
LFILLT,62,59,0.001
AL,59,63,60,64,61,65,62,66
VDRAG,33,,,,,,54,57,55,58,56
VSEL,S,,,5,9,4
ASEL,S,,,4,28,24
VSBA,ALL,ALL
ALLSEL,ALL
VDELE,10,,,1
VDELE,13,,,1
/PNUM,VOLU,1
/NUMBER,1
/COLOR,VOLU,ORAN,ALL
/REPLOT
FINISH
第二章结构静力学分析
第5例杆系结构的静力学分析实例—平面桁架
[本例提示]介绍了利用ANSYS求解杆系结构的方法、步骤和过程。
/CLEAR
/FILNAME,EXAMPLE5
L=0.1
A=1e-4
/PREP7
ET,1,BEAM3
R,1,A
MP,EX,1,2E11
MP,PRXY,1,0.3
N,1
N,2,L
N,3,2*L
N,4,L,L
E,1,2
E,2,3
E,1,4
E,2,4
E,3,4
FINISH
/SOLU
D,1,UX
D,1,UY
D,3,UY
F,4,FY,-2000
SOLVE
FINISH
/POST1
ETABLE,FA,SMISC,1
ETABLE,SA,LS,1
PRETAB,FA,SAFINISH
第6例杆系结构的静力学分析实例—悬臂梁
[本例提示]介绍了利用ANSYS对杆系结构进行静力学分析的方法、步骤和过程。
/CLEAR
/FILNAME,EXAMPLE6
/PREP7
ET,1,BEAM3
R,1,14.345e-4,245e-8,0.1
MP,EX,1,2E11
MP,NUXY,1,0.3
K,1,0,0,0
K,2,1,0,0
LSTR,1,2
LESIZE,1,,,50
LMESH,1
FINISH
/SOLU
DK,1,UX
DK,1,UY
DK,1,ROTZ
FK,2,FY,-10000
SOLVE
FINISH
/POST1
PLDISP
FINISH
第7例平面问题的求解实例—厚壁圆筒问题
[本例提示]介绍了利用ANSYS进行静力学分析的方法、步骤和过程,并对将空间问题简化为平面问题的条件、方法进行了简单的介绍。
/CLEAR
/FILNAME,EXAMPLE7
/PREP7
ET,1,PLANE183,,,2
MP,EX,1,2E11
MP,PRXY,1,0.3
PCIRC,0.1,0.05,0,90
LESIZE,4,,,6
LESIZE,3,,,8
MSHAPE,0
MSHKEY,1
AMESH,1
FINISH
/SOLU
DL,4,,UY
DL,2,,UX
SFL,3,PRES,10E6
SOLVE
SAVE
FINISH
/POST1
PATH,P1,2!
定义2个点
PPATH,1,30!
第一个节点30号(左端)
PPATH,2,1!
第二个节点1号(右端)
PDEF,SR,S,X!
描述径向应力
PDEF,ST,S,Y!
描述周向应力
PLPATH,SR,ST!
绘应力图
FINISH
第8例静力学问题的求解实例—扳手的受力分析
[本例提示]介绍了利用ANSYS进行空间问题静力学分析的方法、步骤和过程。
/CLEAR,nostart
/FILNAME,EXAMPLE8
/PREP7
ET,1,PLANE42
ET,2,SOLID45
MP,EX,1,2E11
MP,PRXY,1,0.3
RPR4,6,0,0,0.01
K,7,0,0,0
K,8,0,0,0.05
K,9,0,0.1,0.05
LSTR,7,8
LSTR,8,9
LFILLT,7,8,0.015
LSTR,1,4
ASBL,1,10
LESIZE,2,,,3
LESIZE,3,,,3
LESIZE,4,,,3
LESIZE,7,0.01
LESIZE,8,0.01
LESIZE,9,0.01
MSHAPE,0
MSHKEY,1
AMESH,ALL
VDRAG,ALL,,,,,,7,9,8
ACLEAR,2,3,1
FINISH
/SOLU
DA,2,ALL
DA,3,ALL
KSEL,S,,,24,29,1
FK,ALL,FX,100
KSEL,ALL
SOLVE
SAVE
FINISH
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