梁结构的受力分析

南昌航空大学实验报告

课程名称：CAD/CAE 软件应用 实验名称：梁结构的受力分析

指导老师评定： 签名： （一）实验目的：

掌握对梁结构进行有限元分析的方法。 （二）实验要求：

1.要求对梁结构进行有限元分析，了解梁单元的使用方法。

2.要求把有限元结果与理论计算结果进行对比。

（三）实验内容：

① /prep7 et,1,beam3 MP,EX,1,200E9 R,1,3E-4,2.5E-9,0.01 N,1,0,0 N,2,1,0 N,3,2,0 N,4,3,0 N,5,4,0 E,1,2 E,2,3 E,3,4 E,4,5 FINISH /SOLU D,1,ALL,0 F,3,FY,-2 SFBEAM,3,1,PRES,0.05 SFBEAM,4,1,PRES,0.05 SOLVE FINISH /POST1 SET,1,1 PLDISP FINISH /TITLE,肖曾12061210 ② /prep7 et,1,188 mp,ex,1,2e6 mp,nuxy,1,0.3 mp,dens,1,7800 sectype,1,beam,i,beam

secdata,6.535,6.535,8,06,0.465,0.465,0.285 sectype,2,beam,i,column secdata,12,12,12.12,0.605,0.605,0.39

sectype,3,beam,hrec,peak secdata,6,6,0.25,0.25,0.25,0.25 k,1,-90,0,60 k,2,90,0,60 k,3,90,0,-60 k,4,-90,0,-60 kgen,2,all,,,,120 k,9,0,180,0 k,101,90 k,102,-90 k,103,-90,200,60 k,104,90,200,60 k,105,90,200,-60 k,106,-90,200,-60 L,1,5 L,2,6 L,3,7 L,4,8 L,5,6 L,6,7

L,7,8 L,8,5 L,9,5 L,9,6 L,9,7 L,9,8

lsel,,loc,y,0,119 cm,lvert,line lsel,,loc,y,120 cm,lhoriz,line lsel,,loc,y,121,180 cm,lslope,line lsel,all cmsel,,lslope lsel,s,loc,x,-90,0 lsel,a,loc,z,0,60 latt,1,,1,,103,,3 cmsel,,lslope lsel,s,loc,x,0,90 lsel,a,loc,z,0,60 latt,1,,1,,104,,3 cmsel,,lslope lsel,s,loc,x,0,900 lsel,a,loc,z,-60,0 latt,1,,1,,105,,3 cmsel,,lslope lsel,s,loc,x,-90,0 lsel,a,loc,z,-60,0 latt,1,,1,,106,,3 cmsel,,lvert lsel,r,loc,x,-90 latt,1,,1,,102,,2 cmsel,,lvert lsel,r,loc,x,90 latt,1,,1,,101,,2 cmsel,,lhoriz lsel,u,loc,z,-60 lsel,u,loc,x,90

latt,1,,1,,1,,1 cmsel,,lhoriz lsel,u,loc,z,60 lsel,u,loc,x,-90 latt,1,,1,,3,,1 lsel,all

lesize,all,20 lmesh,all nsel,,loc,y,0

d,all,all

ksel,all

fk,9,fy,-10000

alls

FINISH

/SOL

solve

/CFORMAT,32,0

FINISH

/POST1

/EFACET,1

PLNSOL, S,EQV, 0,1.0

/TITLE,肖曾 120612

（四）实验结果：

①

②

（五）实验总结：

通过本次实验的学习，我大体上掌握了对梁结构进行有限元分析的方法。