周期对称结构的静力分析实例

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1、/filname,ch08/title,staticanalysisofcompressorstructurenwithhole/prep7et,1,solid45mp,ex,1,1.15e5mp,prxy,1,0.30782mp,dens,1,4.48e-9k,1,226,,208.8k,2,226,,258.7k,3,157,,258.7k,4,237.5,,220.3k,5,229.2,,220.3k,6,237.5,,208.8k,7,126,,276.7k,8,138,,276.7k,9,102.

2、5,,263k,10,102.5,,248.7k,11,237.5,,273.8k,12,237.5,,264.1k,13,135,,248.7k,14,243.85,,273.8k,15,243.85,,254.8k,16,229.2,,254.8k,17,162.5,,264.1/pnum,kp,1/pnum,line,1/number,2/view,1,,,-1/auto,1lstr,1,2lstr,2,3lstr,1,6lstr,6,4lstr,4,5lstr,5,16lstr,16,15lstr,

3、15,14lstr,14,11lstr,11,12lstr,12,17lstr,8,7lstr,7,9lstr,9,10lstr,10,13lplotltan,11,8!创建切线ltan,2,13al,all/pnum,line,0/pnum,kp,0k,18,,,,k,19,,,300vrotat,all,,,,,,18,19,60/view,1,1,1,1/auto,1savewprot,30cyl4,200,0,10,,,,300!注意圆柱的深度方向是沿工作平面坐标系!z向的；vsbv,1,2save

4、/view,1,,,-1/auto,1wpcsys,-1,0lstr,18,19flst,2,2,8fitem,2,0,0,0fitem,2,220,0,0circle,p51x,,,,60flst,2,2,8fitem,2,0,0,0fitem,2,180,0,0circle,p51x,,,,60lsla,u!将与面关联的线从选择集中去除/pnum,line,1adrag,53,,,,,,52adrag,54,,,,,,52/pnum,line,0allselaslv,uvsba,all,allallse

5、lwprot,,90wprot,,,21vsbw,allwprot,,,9vsbw,allwprot,,,9vsbw,allldele,52,,,1!删除轴线csys,1!激活坐标系转为总体柱坐标系vsel,s,loc,x,180,220cm,holevol,voluallselvplotsave!定义周期对称分析选项!定义高低角度组件!即周期对称结构的对称边界!组件命名时，前面的cyclic即为组件根名asel,s,loc,y,0cm,cyclic_m01l,areaasel,s,loc,y,60cm,c

6、yclic_m01h,areaallselcyclic,6,60,1,’cyclic’!此步为指定周期对称分析选项!连接线和面以便于映射网格划分esize,3cmsel,s,holevolvsel,r,loc,y,21,30aslv,swpcsys,-1,0wprot,30wpoff,200cswpla,11,1asel,u,loc,z,264.1asel,u,loc,z,258.7asel,u,loc,x,10csys,1asel,u,loc,y,30accat,alllsla,slsel,r,loc,z

7、,264.1lccat,alllsla,slsel,r,loc,z,258.7lccat,all!生成网格，采用扫略网格划分type,1mshape,0,3dvsel,s,loc,y,0,21vsweep,allvsel,s,loc,y,21,30vsel,u,loc,x,180,220vsweep,allcmsel,s,holevolvsel,r,loc,y,21,30vsweep,allvsel,s,loc,y,0,30asel,s,accaadele,alllsel,s,lccaldele,allcs

8、ys,4vsymm,y,all,,,,0,0allselnummrg,allnumcmp,allcsys,1nrotat,allsave/soluantype,staticnsel,s,loc,x,237.5nsel,r,loc,z,220.3,208.8d,all,,,,,,ux,uyallselnsel,s,loc,z,208.8d,all,,,,,,uy,uzallseleplotsaveomega,,,1