ANSYS应用精华30例_原创文档.pdfVIP

第五例杆系结构的静力学分析实例——平面桁架

/clear

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,SA

FINISH

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

/clear

/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

Finish

/post1

Pldisp

Finish

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。

/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

Finish

/post1

Path,p1,2

Ppath,1,30

Ppath,2,1

pdef,sr,s,x

Pdef,st,s,y

Plpath,sr,st

Finish

第八例扳手的受力分析

/clear

/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

Finish

/post1

/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

/clear

/filname,example9

/prep7

Et,1,plane183

Et,2,solid186

Mp,ex,1,2.08e11

Mp,prxy,1,0.3

Rectng,0,0.025,0,0.12

Lesize,1,,,5

Lesize,2,,,8

Mshape,0

Mshkey,1

Amesh,1

Extopt,esize,5

Extopt,aclear,1