1、单元I点剪力ETABLE,QJ,SMISC,8 单元J点剪力ETABLE,MI,SMISC,6 单元I点弯矩ETABLE,MJ,SMISC,12 !单元J点弯矩 更新单元表ETABLE,REFL 画轴力分布图/TITLE,Axial force diagramPLLS,NI,NJ,1.0,0 /image,save,Axial_force_%T%,jpg 画剪力分布图/TITLE,ShearingPLLS,QI,QJ,1.0,0Shearing_force_%T% 画弯矩分布图/TITLE,Bending moment diagramPLLS,MI,MJ,-0.8,0Bending_momen
2、t_%T%ANSYS中弯矩、剪力图的绘制General Postproc-plot Result-Contour Plot-Line Element Result另:自定义截面梁剪力弯矩显示finish/clear/verify/replot自定义截面/prep7et,1,plane82rectng,0,1.0,0,0.6,cyl4,0.28,0.25,0.18,-180,cyl4,0.28,0.35,0.18,180,cyl4,0.72,0.25,0.18,-180,cyl4,0.72,0.35,0.18,180,rectng,0.1,0.46,0.25,0.35,rectng,0.54,0
3、.9,0.25,0.35,asel,u,1cm,area0,areaallsel,allasba,1,area0esize,0.1amesh,all读入截面文件secwrite,jiemian,sect,1aclear,alladele,all,1ldele,all,1et,1,beam44keyopt,1,6,1mp,dens,1,2600mp,ex,1,3.06e10mp,prxy,1,0.2sectype,1,beam,mesh,sect1secoffset,cent,secread,jiemian,sect,meshk,1k,2,10k,3,0,3lstr,1,2latt,1,1,3,
4、1lesize,all,0.5lmesh,all/eshape,1eplotdk,1,ux,0,uy,uzdk,2,uy,0,uzf,12,fy,-1/soluantype,staticsolve/post1pldisp,2plnsol,u,y,2显示剪力etable,sheari,smisc,3etable,shearj,smisc,9plls,sheari,shearj,-1显示弯矩etable,mforcei,smisc,5etable,mforcej,smisc,11plls,mforcei,mforcej,-1ansys如何绘制弯矩图Ansy中弯矩图,云图绘制总结在回答别人问题时,利
5、用前人的回复和总结,自己进行了总结改正,发表在这里,供各位参考(1)ANSYS弯矩等可以直接标注在图上吗?如何实现?如果三维问题,在剖面上标出某一结构的轴心力、弯矩等,如何实现(2)后处理图形,其等值线的数值能否直接标注在图上,而不是采用图例的形式后处理结果往往用云图表示,下跟一图例表示数值大小,能够实现等值线直接标注在图上回答(1)1.绘制弯矩图建立弯矩单元表。例如梁单元i节点单元表名称为imom,j节点单元表名称为jmom,ETABLE,NI,SMISC,1ETABLE,NJ,SMISC,7ETABLE,QI,SMISC,2ETABLE,QJ,SMISC,8ETABLE,MI,SMISC,
6、6plls,imom,jmom2.标注弯矩图PLOTCTRLSNUMBERINGSVAL ON即可在画出弯矩图的同时在图上标出弯矩值的大小3.调整弯矩图如果弯矩图方向错误,则绘制弯矩图命令为plls,imom,jmom,-1同一个节点处两边的单元内力有细微差别,导致内力数字标注出现重影。观察上面整体轴力图也可以发现,一段一段的,好像马赛克,其实上面整体弯矩图也是,不过不是很明显罢了。这是EULER-BEONOULI梁理论以及ANSYS输出定义造成的(详细原因就不展开了,看看梁理论的书和ANSYS的说明吧)。为了修正重影和节点两边内力值不一样的问题,遍制了宏文件ITFAVG.MAC命令文件内容如
7、下:-宏:ITFAVG.MAC(INTERNAL FORCE AVERAGE MACRO)获取线性单元内力,并对单元边界处的内力进行平衡输入信息内力类型:MFORX,MFORY,MFORZ,MMOMX,MMOMY,MMOMZ*ASK,ITFTYPE,PLEASE INPUT THE TYPE OF INTERNAL FORCEMMOMY需处理的单元包*ASK,EASSEMBLY,PLEASE INPUT THE COMPONENT NAME OF ELEMENTS TO BE PROCESSED!,EOUTER需处理的节点包*ASK,NASSEMBLY,PLEASE INPUT THE COM
8、PONENT NAME OF NODE TO BE PROCESSED!NOUTER无需处理的节点包*ASK,UNASSEMBLY,PLEASE INPUT THE COMPONENT NAME OF THE UNCHANGED NODE!(NONE IF THERES NO SUCH COMPONENT)NONE/POST1输入信息:内力类型,欲处理单元的集合,欲处理节点的集合ITFTYPE=EASSEMBLY=NASSEMBLY=NOUTER按内力类型确定ANSYS输出信息SMISC的编号*IF,ITFTYPE,EQ,MFORX,THENITFINUM=1ITFJNUM=7*ELSEIF,
9、ITFTYPE,EQ,MFORYITFINUM=2ITFJNUM=8MFORZITFINUM=3ITFJNUM=9MMOMXITFINUM=4ITFJNUM=10ITFINUM=5ITFJNUM=11MMOMZITFINUM=6ITFJNUM=12*ELSE*ENDIF对不需平均的节点进行处理*IF,UNASSEMBLY,NE,选出不进行处理的节点包并获取不进行处理节点的数目CMSEL,S,UNASSEMBLY*GET,UNNODNUM,NODE,0,COUNT定义长度为UNNODNUM的数组(UNNOD),以存放选中单元的单元编号*DIM,UNNOD,ARRAY,UNNODNUM将选中单元的
10、编号按顺序存入数组UNNOD*DO,I,0,UNNODNUM-1,1UNNOD(I+1)=NDNEXT(I)*ENDDO*ELSEUNNODNUM=0选出所需的单元和节点包CMSEL,S,EASSEMBLYCMSEL,S,NASSEMBLY获得当前选中单元总数(存入变量SELELENUM)*GET,SELELENUM,ELEM,0,COUNT定义长度为SELELENUM的数组(ELENUM),以存放选中单元的单元编号*DIM,ELENUM,ARRAY,SELELENUM将选中单元的编号按顺序存入数组ELENUM*DO,I,0,SELELENUM-1,1ELENUM(I+1)=ELNEXT(I)*ENDDO获得当前选中节点总数(存入变量SELNODNUM)*GET,SELNODNUM,NODE,0,COUNT定义长度为SELNODNUM的数组(NODNUM),以
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