ANSYS应用精华30例Word格式.doc

ANSYS应用精华30例Word格式.doc

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F,4,FY,-2000

SOLVE

/POST1

ETABLE,FA,SMISC,1

ETABLE,SA,LS,1

PRETAB,FA,SA

第六例干系结构的静力学分析——悬臂梁

一工字悬臂梁，分析其在集中力p作用下自由端的变形，一直梁的材料为10号热轧工字钢，其横截面面积为A=14.345cm2，截面高度H=100mm，惯性矩I=245cm4，梁的长度L=1m，集中力p=10000N,钢的弹性模量E=2e11N/m2，泊松比为0.3

/prep7

Et,1,beam3

R,1,14.345e-4,245e-8,0.1

Mp,ex,1,2e11

Mp,prxy,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

/post1

Pldisp

第七例平面问题的求解实例——厚壁圆筒问题

一厚壁圆筒，其内半径r1=50mm，外半径r2=100mm，作用在内孔上的压力p=10MPa，无轴向压力，轴向长度很大可视为无穷，要求计算厚壁圆筒的径向应力和切向应力沿半径方向的分布。

/filname,example7

Et,1,plane183,,,2

Pcirc,0.1,0.05,0,90

Lesize,4,,,6

Lesize,3,,,8

Mshape,0

Mshkey,1

Amesh,1

Dl,4,,uy

Dl,2,,ux

Sfl,3,pres,10e6

Path,p1,2

Ppath,1,30

Ppath,2,1

pdef,sr,s,x

Pdef,st,s,y

Plpath,sr,st

第八例扳手的受力分析

/filname,example8

Et,1,plane42

Et,2,solid45

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

Amesh,all

Vdrag,all,,,,,,7,9,8

Aclear,2,3,1

Da,2,all

Da,3,all

Ksel,s,,,24,29,1

Fk,all,fx,100

Ksel,all

/view,1,1,1,1

Pldisp,2

Plnsol,s,eqv,0,1

Nwpave,159

/type,1,sect

/cplane,1

/replot

finish

第九章圆轴扭转分析

设等直圆轴的圆截面直径D=50mm，长度L=120mm，作用在圆轴两端上的转矩Mn=1.5xe3N.m

/filname,example9

Et,1,plane183

Et,2,solid186

Mp,ex,1,2.08e11

Rectng,0,0.025,0,0.12

Lesize,1,,,5

Lesize,2,,,8

Extopt,esize,5

Extopt,aclear,1

Vrotat,1,,,,,,1,4,360

Wprot,0,-90

Cswpla,11,1,1,1

Nsel,s,loc,x,0.025

Rpotat,all

D,all,ux

Nsel,r,loc,z,0.12

F,all,fy,1500

Allsel,all

Da,6,all

Da,10,all

Da,14,all

Pldisp,1

Rsys,11

Nsel,s,loc,z,0.045

Nsel,r,loc,y,0

Prnsol,u,y

nsel,s,loc,z,0,0.045

esln,r,1

plesol,s,yz

第十例模态分析实例——均匀直杆的固有频率分析

一根长度为L的等截面直杆，一端固定，一段自由。

已知杆材料的弹性模量为E=2e11，密度为7800kg/m3，杆长L=0.1m，要求计算直杆纵向振动的固有频率。

/CLEAR

/FILNAME,EDAMPLE10

ET,1,SOLID186

MP,DENS,1,7800

BLOCK,0,0.01,0,0.01,0,0.01

LESIZE,1,,,3

LESIZE,2,,,3

LESIZE,9,,,15

MSHAPE,0

MSHKEY,1

VMESH,1

ANTYPE,MODAL

MODOPT,LANB,5

MXPAND,5

DA,1,UZ

DA,3,UY

DA,5,UX

SET,LIST

SET,FIRST

/REPLOT

ANMODE,10,0.5,,0

SET,NEXT

PLDI

ANMODE,10,0.5

/FILNAME,EXAMPLE11

ET,1,SOLID45

K,1,21.87E-3

K,2,22.82E-3,1.13E-3

K,3,24.02E-3,1.47E-3

K,4,24.62E-3,1.73E-3

K,5,25.22E-3,2.08E-3

K,6,25.82E-3,2.4E-3

K,7,26.92E-3,3.23E-3

K,8,27.11E-3

BSPLIN,2,3,4,5,6,7

LSYMM,Y,1

LARC,2,9,1

LARC,7,10,8

AL,ALL

CSYS,1

VEXT,1,,,0,8.412,20E-3

VGEN,24,1,,,0,360/24

CSYS,0

CYL4,0,0,10E-3,0,26.37E-3,360,20E-3

BLOCK,-3E-3,3E-3,0,12.8E-3,0,20E-3

VSBV,25,ALL

SMRTSIZE,9

ESIZE,0.002

MSHAPE,1

MSHKEY,0

VMESH,ALL

NSEL,S,LOC,X,0.01

NROTAT,ALL

D,ALL,UX

ALLSEL,ALL

DA,208,UX

NSEL,S,LOC,Z,0

NSEL,A,LOC,Z,20E-3

NSEL,R,LOC,X,0,15E-3

D,ALL,UZ

第十一例模态分析实例——斜齿圆柱齿轮的固有频率分析

/filname,example11

Et,1,SOLID45

K,1,0.02187

K,2,0.02282,0.00113

K,3,0.02402,0.00147

K,4,0.02462,0.00173

K,5,0.02522,0.00208

K,6,0.02582,0.0024

K,7,0.02692,0.00323

K,8,0.02711

VEXT,1,,,0,8.412,0.02

CYL4,0,0,0.01,0,0.02637,360,0.02

第十二例有预应力的模态分析实例——弦的横向振动

/FILNAME,EXAMPLE12

ET,1,LINK1

R,1,1E-6

K,2,1

LSTR,1,2

LESIZE,1,,,50

LMESH,1

DK,1,UX

DK,1,UY

DK,2,UY

FK,2,FX,2000

PSTRES,ON

MODOPT,LANB,10

MXPAND,10

DK,2,UX

第十三例谐响应分析实例——单自由度系统的受迫振动

/FILNAME,EXAMPLE13

ET,1,MASS21

ET,2,COMBIN14

R,1,1

R,2,10000,63

N,2,1

TYPE,2

REAL,2

TYPE,1

REAL,1