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1、子结构分析实例（命令行格式）问题描述圆盘承受沿垂直方向的对称载荷，材料特性和几何特征如下，求其应力应变情况。MaterialPropertiesE=30x106pSiv=0.3GeometricPropertiesd=2int=0.2inLoadingF=2000lbRepresentativeFiniteElementModel(forPUNE2,PUNE82andSHELL93only)/PREP7smrt,off/DEVICE,VECTOR,ON/TITLE,DIAMETRALCOMPRESSIONOFADISKANTYPE,STA
2、TICET,1,PLANE2,,,3,,,,1ET,2,PLANE82,,,3,,,,ET,3,PLANE82,,,3,,2R,1,・2MP,EX,1,30E6MP,NUXY,1,0.3CSYS,1K,1,1,90K,2,・5,90K,4,1K,5,1,50L,1,5!静力分析!选择结点应力输岀!厚度!柱坐标系LES1ZE,1,,,7,5L,5,4LESIZE,2,,,4,2CSYS,0K,3L,3,4LESIZE,3,,,5L,2,3LESTZE,4,,,4,2L,2,5LES1ZE,5,,,5L,1,2LESIZE,6,,,7,5A,
3、1,2,5,5A,2,3,4,5TYPE,2MSHK,1MSHA,0,2DAMESH,2EPLOTTYPE,1MSHK,0MSHA,1,2DAMESH,1EPLOTNSEL,S,LOG,X,0NSEL,R,LOC,Y,0ESLNTYPE,3EMODIF,ALLSAVE,VM141,DBNSEL,S,LOC,Y,0DSYM,SYMM,YNSEL,S,LOC,X,0DSYM,SYMM,XNSEL,ALLESEL,ALLOUTPR,NSOL,NONEOUTPR,ESOL,ALLFK,1,FY,-1000FINISH/SOLUSOLVEFINIS
4、H!笛卡儿坐标系!沿X轴对称!沿Y轴对称!结点位移和支反力解输出!单元解输岀!施加载荷值的一半（对称）/P0ST1NSEL,S,LOC,X,0NSEL,A,LOC,X,0.1NSEL,R,LOC,Y,0PRNSOL,S,COMPNSEL,R,LOG,X,0NSEL,A,LOC,X,0.2NSEL,R,LOC,Y,0*GET,SNOD,NODE,,NUM,MTN*GET,FNOD,NODE,,NUM,MAXNSEL,ALLESEL,ALLPATH,STRESS1,2,,48PPATH,1,SNODPPATI1,2,FNODPDEF,SY,S
5、,YPRANGE,24PRPATH,SY*GET,SI,PATH,0,MTN,SYNSEL,R,LOC,X,0NSEL,A,LOG,X,0.1NSEL,R,LOC,Y,0*GET,FNOD,NODE,,NUM,MAXPATH,STRESS2,2,,48PPATII,1,SNODPPATH,2,FNODPDEF,SY,S,YPRANGE,24PRPATH,SY*GET,S2,PATH,0,MAX,SYW1M,LABEL,CHAR,2,2!选择感兴趣的结点!选择路径起点结点(X二0)!选择路径终点结点(X=0.2)!定义路径名为STRESSr
6、!用结点定义路径点!显不路径的SY应力!定义路径名为'STRESS2'!显示路径的SY应力WIM,VALUE,,2,3LABEL(1,1)=(psi)','P(psi)'LABEL(1,2)二'X二0X二・1'*VFILL,VALUE(1,1),DATA,-9549,-9298*VFILL,VALUE(1,2),DATA,SI,S2*VFILL,VALUE(1,3),DATA,ABS(Sl/9549),ABS(S2/9298)SAVE,TABLE_1FINISH/CLEAR,NOSTART/F1LNAM,GEN/PREP7smrt,off
7、!生成部分(SHELLELEMENTS,SHELL93)!将结点号压缩!约束不用的结点自由度!主自由度的结点号!选择载荷施加点的主自由度!存储子结构数据库用于扩展部分RESUME,VM141,DBANTYPE,SUBST!子结构生成部分SEOPT,GEN!注:因为PLANE2和SHELL93结点顺序不同,删除原来的网格ACLEAR,1,2ETDELE,1,3ET,1,SHELL93,,,,,,,1ET,2,SHELL93,,,,,,,1ET,3,SHELL93,,,,,2/OUTPUT,SCRATCHNUMCMP,NODE/OUTPUTT
8、YPE,2MSHK,1MSHA,0,2DAMESH,2EPLOTTYPE,1MSHK,0MSHA,1,2DAMESH,1EPLOTNSEL,S,LOC,X,0NSEL,R,LOC,Y,0ESL
