ANSYS教程.docx

ANSYS教程.docx

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ANSYS教程

6.3.3命令流模式

/PREP7

！

定义标题

/TITLE,TRANSVERSESHEARSTRESSESINACANTILEVERBEAM

ANTYPE,STATIC

ET,1,SHELL99,,,,,2,4!

8-NODE壳单元

PRINTOUT

R,1,4,1!

四层轴对称壳

RMORE

RMORE,1,,0.5,1,,0.5!

等厚度

MP,EX,1,30E6

MP,NUXY,1,0

/COM---INPUTFAILURESTRESSESFORMATERIAL#1---

/COM---COMPRESSIONVALUESARELEFTTODEFAULT---

TB,FAIL,1

TBTEMP,,CRIT

TBDATA,1,0,0,1!

使用TSAI-WU破坏准则

TBTEMP,0

！

定义破坏应力

TBDATA,10,25000

TBDATA,12,3000

TBDATA,14,5000

TBDATA,16,500

N,1

N,3,,1

FILL

NGEN,11,3,1,3,1,1

E,1,7,9,3,4,8,6,2

EGEN,5,6,-1

NSEL,S,LOC,X！

选择节点

D,ALL,ALL

NSEL,S,LOC,X,10

CP,1,UZ,ALL！

耦合节点

NSEL,R,LOC,Y

F,ALL,FZ,10000！

施加集中力

NSEL,ALL

OUTPR,,1

FINISH

/SOLU

SOLVE

FINISH

！

后处理

/POST1

ETABLE,NX,SMISC,7

ETABLE,FC,NMISC,1

ETABLE,FCMX,NMISC,2

ETABLE,FCLN,NMISC,3

ETABLE,ILMX,NMISC,4

ETABLE,ILLN,NMISC,5

PRETAB,NX,ILLN,ILMX

PRETAB,FC,FCLN,FCMX

ETABLE,SXZ,S,XZ

ETABLE,ILSXZ,SMISC,11

！

获取单元结果数据

*GET,SIGXZ1,ELEM,4,ETAB,SXZ

*GET,SIGXZ2,ELEM,1,ETAB,ILSXZ

*GET,SIGXZ3,ELEM,1,ETAB,ILMX

*GET,FC3,ELEM,1,ETAB,FCMX

*DIM,LABEL,CHAR,4,2

*DIM,VALUE,,4,3

LABEL（1,1）='SIGXZ,ps','SIGXZ,ps','SIGXZ,ps','FC3MAX（'

LABEL（1,2）='i（Z=H/2）','i（Z=H/4）','i（Z=0）','FCMX）'

*VFILL,VALUE（1,1）,DATA,0,5625,7500,225

*VFILL,VALUE（1,2）,DATA,SIGXZ1,SIGXZ2,SIGXZ3,FC3

*VFILL,VALUE（1,3）,DATA,0,ABS（SIGXZ2/5625）,ABS（SIGXZ3/7500）,ABS（FC3/225）

/OUT,beam,vrt

FINISH

7.3.3命令流模式

/PREP7

/TITLE,NATURALFREQUENCYOFAPIEZOELECTRICTRANSDUCER

ET,1,SOLID5,3！

选择单元

！

设定材料属性

MP,DENS,3,7500

MP,PERX,3,804.6

MP,PERZ,3,659.7

！

定义表格

TB,PIEZ,3

TBDATA,16,10.5

TBDATA,14,10.5

TBDATA,3,-4.1

TBDATA,6,-4.1

TBDATA,9,14.1

TB,ANEL,3

TBDATA,1,13.2E10,7.1E10,7.3E10

TBDATA,7,13.2E10,7.3E10

TBDATA,12,11.5E10

TBDATA,16,3.0E10

TBDATA,19,2.6E10

TBDATA,21,2.6E10

！

建模

L=10E-3

W=10E-3

H=20E-3

K,1

K,2,L

K,3,L,W

K,4,,W

KGEN,2,1,4,1,,,H

L,1,5

LESIZE,1,,,4！

设定单元尺寸

ESIZE,,2

MSHK,1

MSHA,0,3D

V,1,2,3,4,5,6,7,8

VMESH,1！

划分单元

NSEL,S,LOC,X,0

！

施加约束

DSYM,SYMM,X

NSEL,S,LOC,Y,0

DSYM,SYMM,Y

NSEL,ALL

FINISH

/SOLU

ANTYP,MODAL

MODOPT,LANB,10,50000,150000！

设置提取模态方式

MXPAND,10！

扩展模态

/COM,

NSEL,S,LOC,Z,0

D,ALL,VOLT,0

NSEL,S,LOC,Z,H

D,ALL,VOLT,0

NSEL,ALL

SOLVE

*GET,F1,MODE,2,FREQ

*GET,F2,MODE,5,FREQ

FINISH

/POST1

/VIEW,1,1,1,1

/VUP,,Z

/TYPE,,4

*DO,I,1,10

SET,LS,I

PLDISP,1！

显示模态

*ENDDO

FINISH

/SOLU

ANTYPE,MODAL

MODOPT,LANB,10,50000,150000

MXPAND,10

/COM,

NSEL,S,LOC,Z,H

DDELE,ALL,VOLT！

删除VOLT约束

CP,1,VOLT,ALL！

耦合VOLT约束

NSEL,ALL

SOLVE

*GET,F3,MODE,4,FREQ

*GET,F4,MODE,8,FREQ

FINISH

/POST1

*DO,I,1,10

SET,LS,I

PLDISP,1！

显示响应模态形状

*ENDDO

Finish

8.3.3命令流模式

/PREP7

/TITLE,HARMONICRESPONSEOFASPRING-MASSSYSTEM

ANTYPE,MODAL!

定义分析类型

MODOPT,REDUC,2,,,2!

打印前两阶模态形状

ET,1,COMBIN40,,,2!

定义单元

R,1,6,,2!

定义实常数

R,2,16,,2!

定义实常数

N,1

N,2,0,1

N,3,0,2

REAL,1

E,1,2

REAL,2

E,2,3

M,1,UY,2!

定义主自由度

OUTPR,,ALL

D,3,ALL

FINISH

/SOLU

SOLVE

FINISH

/SOLU

ANTYPE,HARMIC!

谐响应分析

HROPT,MSUP,2!

模态叠加法

HARFRQ,0.1,1.0!

频率变化范围为0.1～1.0

F,1,FY,50

KBC,1!

阶跃边界和载荷

NSUBST,50

OUTPR,,NONE

OUTRES,,1

SOLVE

FINISH

/POST26

FILE,,rfrq!

读入数据文件

NSOL,2,1,U,Y,UY1

NSOL,3,2,U,Y,UY2

/GRID,1

/AXLAB,Y,DISP

PLVAR,2,3!

显示变量

PRVAR,2,3

FINISH

9.3.3命令流模式

/PREP7

/TITLE,FREEVIBRATIONWITHCOULOMBDAMPING

ET,1,COMBIN40,,,,,,2!

定义单元类型

R,1,1E4,,（10/386）,,1.875,30!

定义实常数

N,1

N,2,1

E,1,2

FINISH

/SOLU

SOLCONTROL,0

ANTYPE,TRANS!

定义分析类型

D,1,UX

IC,2,UX,-1,0!

定义初始条件

KBC,1!

阶跃载荷和边界条件

CNVTOL,F,1,0.001!

力收敛准则

TIME,.2025

NSUBST,404!

定义子步数

OUTRES,,1

SOLVE

FINISH

/POST26

NSOL,2,2,U,X,UX!

定义节点变量

ESOL,3,1,,SMISC,1,F1!

定义单元变量

PRVAR,2,3

/GRID,1!

设置坐标

/AXLAB,Y,DISP

/GTHK,CURVE,2

PLVAR,2!

显示变量

/AXLAB,Y,FORCE

PLVAR,3

FINISH

10.3.3命令流模式

/VERIFY,SPECTRUM

/PREP7

/TITLE,DYNAMICLOADEFFECTONSIMPLY-SUPPORTEDTHICKSQUAREPLATE

ET,1,SHELL93,,,,,1!

定义单元类型

MP,EX,1,200E9!

定义材料属性

MP,NUXY,1,0.3

MP,ALPX,1,0.1E-5

MP,DENS,1,8000

R,1,1!

定义实常数

N,1,0,0,0!

定义模型

N,9,0,10,0

FILL

NGEN,5,40,1,9,1,2.5

N,21,1.25,0,0

N,29,1.25,10,0

FILL,21,29,3

NGEN,4,40,21,29,2,2.5

EN,1,1,41,43,3,21,42,23,2

EGEN,4,2,1

EGEN,4,40,1,4

FINISH

/SOLU

ANTYPE,MODAL!

定义分析类型为模态分析

MODOPT,REDUC

MXPAND,16,,,YES

SFE,ALL,,PRES,,-1E6!

施加面载荷

D,ALL,UX,0,,,,UY,ROTZ!

施加约束

D,1,UZ,0,0,9,1,ROTX

D,161,UZ,0,0,169,1,ROTX

D,1,UZ,0,0,161,20,ROTY

D,9,UZ,0,0,169,20,ROTY

NSEL,S,LOC,X,.1,9.9

NSEL,R,LOC,Y,.1,9.9

M,ALL,UZ!

选择主自由度

NSEL,ALL

SOLVE

*GET,F,MODE,1,FREQ

FINISH

/SOLU

ANTYPE,SPECTR!

定义分析类型

SPOPT,PSD,2,ON!

利用前两阶模态并计算应力

PSDUNIT,1,PRES!

定义功率谱为面载荷谱

DMPRAT,0.02

PSDFRQ,1,1,1.0,80.0

PSDVAL,1,1.0,1.0

LVSCALE,1!

比例使用载荷因子

PFACT,1,NODE

PSDRES,DISP,REL

PSDCOM

SOLVE

FINISH

/POST1

SET,3,1!

读取位移

/VIEW,1,2,3,4

PLNSOL,U,Z

PRNSOL,U,Z

FINISH

/SOLUTION

ANTYPE,HARMIC!

重新定义求解类型

HROPT,MSUP!

利用模态叠加法

HROUT,OFF,ON

KBC,1

HARFRQ,1,80

DMPRAT,0.02

NSUBSTEP,10

SOLVE

FINISH

/POST26

FILE,,rfrq

PRCPLX,1

NSOL,2,85,U,Z!

定义变量

PSDDAT,6,1,1.0,80,1.0

PSDTYP,2

PSDCAL,7,2

PSDPRT

PRVAR,2,7!

绘制变量曲线

*GET,P,VARI,7,EXTREM,VMAX

*status,parm

/VIEW

/AXLAB,Y,PSD（M^2/HZ）

PLVAR,7

FINISH

11.3.3命令流模式

/VERIFY,CREEP

/PREP7

/TITLE,CREEP,STRESSRELAXATIONOFABOLTDUETOCREEP

C***STR.OFMATL.,TIMOSHENKO,PART2,3RDED.,PAGE531

ANTYPE,STATIC

ET,1,LINK1!

定义杆单元

R,1,1,（1/30000）!

定义初始应变

MP,EX,1,30E6

TB,CREEP,1

TBDATA,1,4.8E-30,7!

定义蠕变属性

N,1

N,2,10

E,1,2

BFUNIF,TEMP,900!

环境温度

TIME,1000

KBC,1

D,ALL,ALL!

约束端部

FINISH

/SOLU

SOLCONTROL,0

NSUBST,100

OUTPR,BASIC,10!

每隔10步打印基本结果

OUTRES,ESOL,1!

保存每步结果的数据

SOLVE

FINISH

/POST26

ESOL,2,1,,LS,1,SIG!

定义杆单元轴向应力变量

PRVAR,2!

打印杆单元轴向应力随时间变化值

FINISH

12.3.3命令流模式

！

步骤一前处理

/TITLE,bucklingofaframe

/PREP7

ET,1,BEAM4

R,1,2.83e-5,2.89e-10,2.89e-10,0.01,0.01,,

RMORE,,,,,,,

MPTEMP,,,,,,,,

MPTEMP,1,0

MPDATA,EX,1,,1e11

MPDATA,PRXY,1,,0.35

RPR4,3,0,0,86.6025e-3,

VOFFST,1,1,,

/VIEW,1,1,1,1

/ANG,1

/REP,FAST

VDELE,1

FLST,2,5,5,ORDE,2

FITEM,2,1

FITEM,2,-5

ADELE,P51X

LPLOT

FLST,5,3,4,ORDE,2

FITEM,5,7

FITEM,5,-9

CM,_Y,LINE

LSEL,,,,P51X

CM,_Y1,LINE

CMSEL,,_Y

LESIZE,_Y1,,,20,,,,,0

FLST,5,6,4,ORDE,2

FITEM,5,1

FITEM,5,-6

CM,_Y,LINE

LSEL,,,,P51X

CM,_Y1,LINE

CMSEL,,_Y

LESIZE,_Y1,,,3,,,,,0

FLST,3,6,4,ORDE,2

FITEM,3,4

FITEM,3,-9

LGEN,15,P51X,,,,,1,,0

/PLOPTS,INFO,3

/PLOPTS,LEG1,1

/PLOPTS,LEG2,1

/PLOPTS,LEG3,1

/PLOPTS,FRAME,1

/PLOPTS,TITLE,1

/PLOPTS,MINM,1

/PLOPTS,FILE,0

/PLOPTS,LOGO,1

/PLOPTS,WINS,1

/PLOPTS,WP,0

/PLOPTS,DATE,2

/TRIAD,LTOP

/REPLOT

NUMMRG,KP,,,,LOW

NUMCMP,KP

NUMCMP,LINE

FLST,2,93,4,ORDE,2

FITEM,2,1

FITEM,2,-93

LMESH,P51X

FINISH

！

步骤二获得静力解

/SOL

ANTYPE,0

NLGEOM,0

NROPT,AUTO,,

LUMPM,0

EQSLV,,,0,

PRECISION,0

MSAVE,0

PIVCHECK,1

PSTRES,ON

TOFFST,0,

/PNUM,KP,0

/PNUM,LINE,0

/PNUM,AREA,0

/PNUM,VOLU,0

/PNUM,NODE,1

/PNUM,TABN,0

/PNUM,SVAL,0

/NUMBER,0

/PNUM,ELEM,0

/REPLOT

/ZOOM,1,SCRN,1.332160,0.608101,1.398657,0.533799

FLST,2,3,1,ORDE,3

FITEM,2,1

FITEM,2,-2

FITEM,2,5

/GO

D,P51X,,,,,,ALL,,,,,

/AUTO,1

/REP,FAST

/ZOOM,1,SCRN,-0.654929,-0.576816,-0.635371,-0.619832

FLST,2,3,1,ORDE,3

FITEM,2,934

FITEM,2,-935

FITEM,2,938

/GO

F,P51X,FZ,-1

/PNUM,KP,0

/PNUM,LINE,0

/PNUM,AREA,0

/PNUM,VOLU,0

/PNUM,NODE,0

/PNUM,TABN,0

/PNUM,SVAL,0

/NUMBER,0

/PNUM,ELEM,0

/REPLOT

/STATUS,SOLU

SOLVE

FINISH

！

步骤三获得特征值屈曲解

/SOLU

ANTYPE,1

BUCOPT,LANB,10,0,0

/STATUS,SOLU

SOLVE

FINISH

！

步骤四扩展解

/SOLU

EXPASS,1

MXPAND,10,0,0,1,0.001,

/STATUS,SOLU

SOLVE

FINISH

！

步骤五后处理

/POST1

SET,LIST

SET,FIRST

PLDISP,2

/AUTO,1

/REP,FAST

/VIEW,1,1

/ANG,1

/REP,FAST

SET,LIST,999

SET,,,,,,,3

/REPLOT

SET,LIST,999

SET,,,,,,,5

/REPLOT

SET,LIST,999

/REPLOT

SET,LIST,999

SET,,,,,,,7

/REPLOT

SET,LIST,999

SET,,,,,,,9

/REPLOT

AVPRIN,0,,

ETABLE,,LS,1

PRETAB,LS1

PLETAB,LS1,NOAV

SET,FIRST

/REPLOT

/VIEW,1,1,1,1

/ANG,1

/REP,FAST

SAVE

FINISH

/EXIT,NOSAV

14.3.3命令流模式

/BATCH

/TITLE,OptimizationofaFrameStructure！

定义标题

/PLOPTS,INFO,3

/PLOPTS,LEG1,1

/PLOPTS,LEG2,1

/PLOPTS,LEG3,1

/PLOPTS,FRAME,1

/PLOPTS,TITLE,1

/PLOPTS,MINM,1

/PLOPTS,FILE,0

/PLOPTS,LOGO,1

/PLOPTS,WINS,1

/PLOPTS,WP,0

/PLOPTS,DATE,2

/TRIAD,OFF

/REPLOT

*SET,d1,0.1！

定义参数

*SET,d2,0.1

/PREP7

MPTEMP,,,,,,,,

MPTEMP,1,0

MPDATA,EX,1,,10e10！

定义材料属性

MPDATA,PRXY,1,,0.3

ET,1,BEAM3！

选择单元

SAVE

！

定义参数

*SET,d1cb,d1**3

*SET,d2cb,d2**3

*SET,k,825000

R,1,d1**2/2,d1*d1cb/24,d1,,,,

R,2,d2**2/2,d2*d2cb/24,d2,0,0,0,

！

生成节点

N,1,0,0,0,,,,

N,2,0,2.5,0,,,,

N,3,2.16506,3.75,0,,,,

/REPLOT

/PNUM,KP,0

/PNUM,LINE,0

/PNUM,AREA,0

/PNUM,VOLU,0

/PNUM,NODE,1

/PNUM,TABN,0

/PNUM,SVAL,0

/NUMBER,0

/PNUM,ELEM,0

/REPLOT

FLST,2,2,1

FITEM,2,1

FITEM,2,2

E,P51X

TYPE,1

MAT,1

REAL,2

ESYS,0

SECNUM,

TSHAP,LINE

FLST,2,2,1

FITEM,2,2

FITEM,2,3

E,P51X

FINISH

！

求解

/SOL

FLST,2,1,1,ORDE,1

FITEM,2,1

/GO

D,P51X,,,,,,ALL,,,,,

FLST,2,1,1,ORDE,1

FITEM,2,3

/GO

F,P51X,FY,-2000

NSEL,S,LOC,X,2.1,2.2

DSYM,SYMM,X,,

ALLSEL,ALL

/REPLOT

GPLOT

SAVE

/STATUS,SOLU

SOLVE

SAVE,frame_resu,db,D:

\ANSYSE~1\aa\

FINISH

！

后处理POST1

/POST1

AVPRIN,0,,

ETABLE,evol,VOLU,

AVPRIN,0,,

ETABLE,mi,SMISC,6

AVPRIN,0,,

ETABLE,mj,SMISC,12

*GET,m11,ELEM,1,ETAB,MI

*GET,m21,ELEM,1,ETAB,MJ

*GET,m12,ELEM,2,ETAB,MI

*GET,m22,ELEM,2,ETAB,MJ

*SET,lim1,d1cb*k

*SET,lim2,d2cb*k

*SET,m11,lim1-abs（m11）

*SET,m21,lim1-abs（m21）

*SET,m12,lim2-abs（m12）

*SET,m22,lim2-abs（m22）

SSUM

*GET,vtot,SSUM,,ITEM,EVOL

/SHRINK,0

/ESHAPE,2

/EFACET,1

/RATIO,1,1,1

/CFORMAT,32,0

/REPLOT

/VIEW,1,1,1,1

/ANG,1

/REP,FAST

/AUTO,1

/REP

SAVE

！

保持LGWRITE,frame,lgw文件到D:

\ANSYSE~1\aa\,COMMENT

FINISH

！

优化处理

/OPT

OPANL,'frame','lgw',''

OPVAR,D1,DV,0.05,0.5,,

OPVAR,D2,DV,0.05,0.5,,

OPVAR,M1