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 secdata,6.535,6.535,8,06,0. et,1,beam3 465,0.465,0.285 MP,EX,1,200E9 sectype,2,beam,i,column R,1,3E-4,2.5E-9,0.01 secdata,12,12,12.12,0.605,0 N,1,0,0 .605,0.39

N,2,1,0 sectype,3,beam,hrec,peak N,3,2,0 secdata,6,6,0.25,0.25,0.25, N,4,3,0 0.25 N,5,4,0 k,1,-90,0,60 E,1,2 k,2,90,0,60 E,2,3 k,3,90,0,-60 E,3,4 k,4,-90,0,-60 E,4,5 kgen,2,all,,,,120 FINISH k,9,0,180,0 /SOLU k,101,90 D,1,ALL,0 k,102,-90 F,3,FY,-2 k,103,-90,200,60 SFBEAM,3,1,PRES,0.05 k,104,90,200,60 SFBEAM,4,1,PRES,0.05 k,105,90,200,-60 SOLVE k,106,-90,200,-60 FINISH L,1,5 /POST1 L,2,6 SET,1,1 L,3,7 PLDISP L,4,8 FINISH L,5,6 /TITLE,肖曾12061210 L,6,7

② /prep7 L,7,8 et,1,188 L,8,5 mp,ex,1,2e6 L,9,5 mp,nuxy,1,0.3 L,9,6 mp,dens,1,7800 L,9,7 sectype,1,beam,i,beam L,9,8

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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。

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