ANSYS应用精华30例.doc

1、第五例 杆系结构的静力学分析实例平面桁架/clearL=0.1A=1e-4/PREP7ET,1,BEAM3R,1,AMP,EX,1,2E11MP,PRXY,1,0.3N,1N,2,LN,3,2*LN,4,L,LE,1,2E,2,3E,1,4E,2,4E,3,4FINISH/SOLUD,1,UXD,1,UYD,3,UYF,4,FY,-2000SOLVEFINISH/POST1ETABLE,FA,SMISC,1ETABLE,SA,LS,1PRETAB,FA,SAFINISH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

2、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/prep7Et,1,beam3R,1,14.345e-4,245e-8,0.1Mp,ex,1,2e11Mp,prxy,1,0.3K,1,0,0,0K,2,1,0,0Lstr,1,2Lesize,1,50Lmesh,1Finish/soluDk,1,uxDk,1,uyDk,1,rotzFk,2,fy,-10000SolveFinish/post1PldispFinish第七例 平面问题的求解实例厚壁圆筒问题一厚壁圆筒，

3、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/prep7Et,1,plane183,2Mp,ex,1,2e11Mp,prxy,1,0.3Pcirc,0.1,0.05,0,90Lesize,4,6Lesize,3,8Mshape,0Mshkey,1Amesh,1Finish/soluDl,4,uyDl,2,uxSfl,3,pres,10e6SolveFinish/post1Path,p1,2Ppath,1,30Ppath,2

4、,1pdef,sr,s,xPdef,st,s,yPlpath,sr,stFinish第八例 扳手的受力分析/clear/filname,example8/prep7Et,1,plane42Et,2,solid45Mp,ex,1,2e11Mp,prxy,1,0.3Rpr4,6,0,0,0.01K,7,0,0,0K,8,0,0,0.05K,9,0,0.1,0.05Lstr,7,8Lstr,8,9Lfillt,7,8,0.015Lstr,1,4AsbL,1,10Lesize,2,3Lesize,3,3Lesize,4,3Lesize,7,0.01Lesize,8,0.01Lesize,9,0.01M

5、shape,0Mshkey,1Amesh,allVdrag,all,7,9,8Aclear,2,3,1Finish/soluDa,2,allDa,3,allKsel,s,24,29,1Fk,all,fx,100Ksel,allSolveFinish/post1/view,1,1,1,1Pldisp,2Plnsol,s,eqv,0,1Nwpave,159/type,1,sect/cplane,1/replotfinish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/prep

6、7Et,1,plane183Et,2,solid186Mp,ex,1,2.08e11Mp,prxy,1,0.3Rectng,0,0.025,0,0.12Lesize,1,5Lesize,2,8Mshape,0Mshkey,1Amesh,1Extopt,esize,5Extopt,aclear,1Vrotat,1,1,4,360/view,1,1,1,1Wprot,0,-90Cswpla,11,1,1,1Nsel,s,loc,x,0.025Rpotat,allFinish/soluD,all,uxNsel,r,loc,z,0.12F,all,fy,1500Allsel,allDa,2,allDa

7、,6,allDa,10,allDa,14,allSolveFinish/post1Pldisp,1Rsys,11Nsel,s,loc,z,0.045Nsel,r,loc,y,0Prnsol,u,ynsel,s,loc,z,0,0.045esln,r,1plesol,s,yzFinish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/PREP7ET,1,SOLID186MP,EX,1,2E11MP

8、,PRXY,1,0.3MP,DENS,1,7800BLOCK,0,0.01,0,0.01,0,0.01LESIZE,1,3LESIZE,2,3LESIZE,9,15MSHAPE,0MSHKEY,1VMESH,1FINISH/SOLUANTYPE,MODALMODOPT,LANB,5MXPAND,5DA,1,UZDA,3,UYDA,5,UXSOLVEFINISH/POST1SET,LISTSET,FIRST/REPLOTANMODE,10,0.5,0SET,NEXTPLDIANMODE,10,0.5FINISH/CLEAR/FILNAME,EXAMPLE11/PREP7ET,1,SOLID45M

9、P,EX,1,2E11MP,PRXY,1,0.3MP,DENS,1,7800K,1,21.87E-3K,2,22.82E-3,1.13E-3K,3,24.02E-3,1.47E-3K,4,24.62E-3,1.73E-3K,5,25.22E-3,2.08E-3K,6,25.82E-3,2.4E-3K,7,26.92E-3,3.23E-3K,8,27.11E-3BSPLIN,2,3,4,5,6,7LSYMM,Y,1LARC,2,9,1LARC,7,10,8AL,ALLCSYS,1VEXT,1,0,8.412,20E-3VGEN,24,1,0,360/24CSYS,0CYL4,0,0,10E-3,

10、0,26.37E-3,360,20E-3BLOCK,-3E-3,3E-3,0,12.8E-3,0,20E-3VSBV,25,ALLSMRTSIZE,9ESIZE,0.002MSHAPE,1MSHKEY,0VMESH,ALLCSYS,1NSEL,S,LOC,X,0.01NROTAT,ALLD,ALL,UXALLSEL,ALLFINISH/SOLUANTYPE,MODALMODOPT,LANB,5DA,208,UXNSEL,S,LOC,Z,0NSEL,A,LOC,Z,20E-3NSEL,R,LOC,X,0,15E-3D,ALL,UZALLSEL,ALLSOLVEFINISH/POST1SET,LI

11、STFINISH第十一例 模态分析实例斜齿圆柱齿轮的固有频率分析/clear/filname,example11/prep7Et,1,SOLID45MP,EX,1,2E11MP,PRXY,1,0.3MP,DENS,1,7800K,1,0.02187K,2,0.02282,0.00113K,3,0.02402,0.00147K,4,0.02462,0.00173K,5,0.02522,0.00208K,6,0.02582,0.0024K,7,0.02692,0.00323K,8,0.02711BSPLIN,2,3,4,5,6,7LSYMM,Y,1LARC,2,9,1LARC,7,10,8AL,A

12、LLCSYS,1VEXT,1,0,8.412,0.02VGEN,24,1,0,360/24CSYS,0CYL4,0,0,0.01,0,0.02637,360,0.02BLOCK,-3E-3,3E-3,0,12.8E-3,0,20E-3VSBV,25,ALLSMRTSIZE,9ESIZE,0.002MSHAPE,1MSHKEY,0VMESH,ALLCSYS,1NSEL,S,LOC,X,0.01NROTAT,ALLD,ALL,UXALLSEL,ALLFINISH/SOLUANTYPE,MODALMODOPT,LANB,5MXPAND,5DA,208,UXNSEL,S,LOC,Z,0NSEL,A,L

13、OC,Z,20E-3NSEL,R,LOC,X,0,15E-3D,ALL,UZALLSEL,ALLSOLVEFINISH/POST1SET,LISTFINISH第十二例 有预应力的模态分析实例弦的横向振动/CLEAR/FILNAME,EXAMPLE12/PREP7ET,1,LINK1MP,EX,1,2E11MP,PRXY,1,0.3MP,DENS,1,7800R,1,1E-6K,1,0,0,0K,2,1LSTR,1,2LESIZE,1,50LMESH,1FINISH/SOLUDK,1,UXDK,1,UYDK,2,UYFK,2,FX,2000PSTRES,ONSOLVEFINISH/SOLUANTYPE,MODALMODOPT,LANB,10MXPAND,10DK,2,UXPSTRES,ONSOLVEFINISH/POST1SET,LISTSET,FIRSTPLDIANMODE,10,0.5SET,NEXTPLDIANMODE,10,0.5FINISH第十三例 谐响应分析实例单自由度系统的受迫振动/clear/FILNAME,EXAMPLE13/PREP7ET,1,MASS21ET,2,COMBIN14R,1,1R,2,10000,63N,1N,2,1TYPE,2REAL,2E,1,2TYPE,1REAL,1